diff --git a/Classes/Base.lproj/ChatConversationView.xib b/Classes/Base.lproj/ChatConversationView.xib
index d955afdfd..857b43a7a 100644
--- a/Classes/Base.lproj/ChatConversationView.xib
+++ b/Classes/Base.lproj/ChatConversationView.xib
@@ -1,8 +1,12 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="9531" systemVersion="15D21" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none">
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="13196" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" colorMatched="YES">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9529"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13174"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
         <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="ChatConversationView">
@@ -14,11 +18,13 @@
                 <outlet property="chatView" destination="49" id="Rxt-Zy-19x"/>
                 <outlet property="composeIndicatorView" destination="fx4-ao-53M" id="xk5-nK-lur"/>
                 <outlet property="composeLabel" destination="fpY-Fv-ht2" id="4L6-ik-ZAe"/>
+                <outlet property="infoButton" destination="Vqb-Un-4xv" id="pa1-Iz-5QQ"/>
                 <outlet property="landscapeView" destination="VoU-7Q-fgp" id="iRJ-sh-thF"/>
                 <outlet property="listSwipeGestureRecognizer" destination="dzw-n4-l9i" id="JVP-Vl-lIa"/>
                 <outlet property="listTapGestureRecognizer" destination="tkk-Tm-A7C" id="gqU-iJ-RGm"/>
                 <outlet property="messageField" destination="pqa-tg-5ml" id="emj-yI-K60"/>
                 <outlet property="messageView" destination="14" id="89"/>
+                <outlet property="particpantsLabel" destination="Ncq-Zc-X6j" id="tQM-q1-cey"/>
                 <outlet property="pictureButton" destination="73" id="84"/>
                 <outlet property="portraitView" destination="6" id="xJJ-1H-6N6"/>
                 <outlet property="sendButton" destination="15" id="27"/>
@@ -51,7 +57,7 @@
                                     <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                     <inset key="titleEdgeInsets" minX="0.0" minY="18" maxX="0.0" maxY="0.0"/>
                                     <state key="normal" image="back_default.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="back_disabled.png"/>
                                     <state key="highlighted" backgroundImage="color_E.png"/>
@@ -65,7 +71,7 @@
                                     <accessibility key="accessibilityConfiguration" label="Cancel"/>
                                     <inset key="titleEdgeInsets" minX="0.0" minY="18" maxX="0.0" maxY="0.0"/>
                                     <state key="normal" image="cancel_edit_default.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="cancel_edit_disabled.png"/>
                                     <state key="highlighted" backgroundImage="color_E.png"/>
@@ -74,21 +80,21 @@
                                         <action selector="onEditionChangeClick:" destination="-1" eventType="touchUpInside" id="c6C-ow-Yhi"/>
                                     </connections>
                                 </button>
-                                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" tag="5" contentMode="left" text="Contact1" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="10" id="40" userLabel="addressLabel">
-                                    <rect key="frame" x="75" y="0.0" width="150" height="66"/>
+                                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" tag="5" contentMode="left" misplaced="YES" text="Contact1" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="10" id="40" userLabel="addressLabel">
+                                    <rect key="frame" x="75" y="0.0" width="142" height="66"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
                                     <accessibility key="accessibilityConfiguration" label="Contact name">
                                         <accessibilityTraits key="traits" none="YES"/>
                                     </accessibility>
                                     <fontDescription key="fontDescription" type="system" pointSize="22"/>
-                                    <color key="textColor" white="0.33333333333333331" alpha="1" colorSpace="calibratedWhite"/>
+                                    <color key="textColor" red="0.33333333333333331" green="0.33333333333333331" blue="0.33333333333333331" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     <nil key="highlightedColor"/>
                                 </label>
                                 <button opaque="NO" tag="6" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="Wzg-i0-spp" userLabel="callButton" customClass="UIIconButton">
                                     <rect key="frame" x="225" y="0.0" width="75" height="66"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
                                     <state key="normal" image="call_alt_start_default.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="call_alt_start_disabled.png"/>
                                     <state key="highlighted" backgroundImage="color_E.png"/>
@@ -100,7 +106,7 @@
                                     <rect key="frame" x="225" y="0.0" width="75" height="66"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
                                     <state key="normal" image="call_back_default.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="call_back_disabled.png"/>
                                     <state key="highlighted" backgroundImage="color_E.png"/>
@@ -115,7 +121,7 @@
                                     <accessibility key="accessibilityConfiguration" label="Delete all"/>
                                     <inset key="titleEdgeInsets" minX="0.0" minY="18" maxX="0.0" maxY="0.0"/>
                                     <state key="normal" image="delete_default.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="delete_disabled.png"/>
                                     <state key="highlighted" backgroundImage="color_E.png"/>
@@ -129,7 +135,7 @@
                                     <accessibility key="accessibilityConfiguration" label="Edit"/>
                                     <inset key="titleEdgeInsets" minX="0.0" minY="18" maxX="0.0" maxY="0.0"/>
                                     <state key="normal" image="edit_list_default.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="edit_list_disabled.png"/>
                                     <state key="highlighted" backgroundImage="color_E.png"/>
@@ -145,7 +151,7 @@
                                     <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                     <inset key="titleEdgeInsets" minX="0.0" minY="18" maxX="0.0" maxY="0.0"/>
                                     <state key="normal" image="deselect_all.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="select_all_disabled.png"/>
                                     <state key="selected" image="select_all_default.png"/>
@@ -154,6 +160,32 @@
                                         <action selector="onSelectionToggle:" destination="29" eventType="touchUpInside" id="eP5-bU-LEA"/>
                                     </connections>
                                 </button>
+                                <button hidden="YES" opaque="NO" tag="10" contentMode="scaleToFill" misplaced="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" reversesTitleShadowWhenHighlighted="YES" showsTouchWhenHighlighted="YES" lineBreakMode="middleTruncation" id="Vqb-Un-4xv" userLabel="infoButton" customClass="UIIconButton">
+                                    <rect key="frame" x="225" y="0.0" width="75" height="66"/>
+                                    <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
+                                    <accessibility key="accessibilityConfiguration" label="Select all"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <inset key="titleEdgeInsets" minX="0.0" minY="18" maxX="0.0" maxY="0.0"/>
+                                    <state key="normal" image="chat_group_informations.png">
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                    </state>
+                                    <state key="disabled" image="select_all_disabled.png"/>
+                                    <state key="selected" image="select_all_default.png"/>
+                                    <state key="highlighted" backgroundImage="color_E.png"/>
+                                    <connections>
+                                        <action selector="onInfoClick:" destination="-1" eventType="touchUpInside" id="VfD-K7-V15"/>
+                                    </connections>
+                                </button>
+                                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" tag="5" contentMode="left" misplaced="YES" text="addresses" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="10" id="Ncq-Zc-X6j" userLabel="addressLabel">
+                                    <rect key="frame" x="75" y="41" width="142" height="25"/>
+                                    <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
+                                    <accessibility key="accessibilityConfiguration" label="Contact name">
+                                        <accessibilityTraits key="traits" none="YES"/>
+                                    </accessibility>
+                                    <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                                    <color key="textColor" red="0.33333333329999998" green="0.33333333329999998" blue="0.33333333329999998" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
                             </subviews>
                         </view>
                         <view tag="12" contentMode="scaleToFill" id="49" userLabel="contentView">
@@ -163,7 +195,7 @@
                                 <tableView clipsSubviews="YES" tag="13" contentMode="scaleToFill" alwaysBounceVertical="YES" style="plain" separatorStyle="none" allowsSelection="NO" allowsSelectionDuringEditing="YES" allowsMultipleSelectionDuringEditing="YES" rowHeight="60" sectionHeaderHeight="22" sectionFooterHeight="22" id="8" userLabel="messagesTableView">
                                     <rect key="frame" x="0.0" y="0.0" width="375" height="405"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                                    <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     <gestureRecognizers/>
                                     <connections>
                                         <outlet property="dataSource" destination="29" id="6U9-NJ-Z7W"/>
@@ -184,14 +216,14 @@
                                             <nil key="highlightedColor"/>
                                         </label>
                                     </subviews>
-                                    <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
+                                    <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.0" colorSpace="custom" customColorSpace="sRGB"/>
                                 </view>
                                 <label hidden="YES" opaque="NO" userInteractionEnabled="NO" tag="16" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="No conversation." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="p7C-WH-uR1" userLabel="emptyTableLabel">
                                     <rect key="frame" x="0.0" y="0.0" width="375" height="427"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMinY="YES" heightSizable="YES" flexibleMaxY="YES"/>
-                                    <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     <fontDescription key="fontDescription" type="system" pointSize="17"/>
-                                    <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
+                                    <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     <nil key="highlightedColor"/>
                                 </label>
                                 <view tag="17" contentMode="scaleToFill" id="14" userLabel="messageView">
@@ -207,7 +239,7 @@
                                             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES" flexibleMaxY="YES"/>
                                             <accessibility key="accessibilityConfiguration" label="Send picture"/>
                                             <state key="normal" image="chat_attachment_default.png">
-                                                <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                                <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             </state>
                                             <state key="disabled" image="chat_attachment_disabled.png"/>
                                             <state key="highlighted" image="chat_attachment_over.png"/>
@@ -221,7 +253,7 @@
                                             <accessibility key="accessibilityConfiguration" label="Send"/>
                                             <inset key="titleEdgeInsets" minX="0.0" minY="30" maxX="0.0" maxY="0.0"/>
                                             <state key="normal" image="chat_send_default.png">
-                                                <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                                <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             </state>
                                             <state key="disabled" image="chat_send_disabled.png"/>
                                             <state key="highlighted" image="chat_send_over.png"/>
@@ -232,7 +264,7 @@
                                         <view tag="20" contentMode="scaleToFill" id="pqa-tg-5ml" userLabel="messageField" customClass="HPGrowingTextView">
                                             <rect key="frame" x="66" y="13" width="243" height="40"/>
                                             <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" flexibleMinY="YES" heightSizable="YES" flexibleMaxY="YES"/>
-                                            <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                            <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <accessibility key="accessibilityConfiguration" label="Message field"/>
                                         </view>
                                     </subviews>
@@ -240,39 +272,37 @@
                             </subviews>
                         </view>
                     </subviews>
-                    <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                     <gestureRecognizers/>
                 </view>
             </subviews>
-            <color key="backgroundColor" red="1" green="1" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
-            <simulatedOrientationMetrics key="simulatedOrientationMetrics"/>
-            <simulatedScreenMetrics key="simulatedDestinationMetrics" type="retina47"/>
+            <color key="backgroundColor" red="1" green="1" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
             <point key="canvasLocation" x="228.5" y="-40.5"/>
         </view>
         <view contentMode="scaleToFill" id="680-UL-sil" userLabel="iphone6MetricsView">
-            <rect key="frame" x="0.0" y="0.0" width="736" height="414"/>
+            <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
             <subviews>
                 <view tag="1" contentMode="scaleToFill" id="VoU-7Q-fgp">
-                    <rect key="frame" x="90" y="42" width="646" height="372"/>
+                    <rect key="frame" x="90" y="42" width="285" height="625"/>
                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                     <subviews>
                         <view tag="2" contentMode="scaleToFill" id="Z3y-hY-5xp" userLabel="topBar">
-                            <rect key="frame" x="0.0" y="0.0" width="646" height="66"/>
+                            <rect key="frame" x="0.0" y="0.0" width="285" height="66"/>
                             <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <subviews>
                                 <imageView userInteractionEnabled="NO" tag="3" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="color_F.png" id="Uvs-m3-GPj" userLabel="backgroundColor">
-                                    <rect key="frame" x="0.0" y="0.0" width="646" height="66"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="285" height="66"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
                                 </imageView>
                                 <button opaque="NO" tag="4" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" adjustsImageWhenHighlighted="NO" lineBreakMode="middleTruncation" id="N2g-vL-3x8" userLabel="backButton" customClass="UIIconButton">
-                                    <rect key="frame" x="0.0" y="0.0" width="75" height="66"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="33" height="66"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
                                     <accessibility key="accessibilityConfiguration" label="Back"/>
                                     <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                     <inset key="titleEdgeInsets" minX="0.0" minY="18" maxX="0.0" maxY="0.0"/>
                                     <state key="normal" image="back_default.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="back_disabled.png"/>
                                     <state key="highlighted" backgroundImage="color_E.png"/>
@@ -281,12 +311,12 @@
                                     </connections>
                                 </button>
                                 <button hidden="YES" opaque="NO" tag="11" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="Bqf-Gg-2Rw" userLabel="cancelButton" customClass="UIIconButton">
-                                    <rect key="frame" x="0.0" y="0.0" width="75" height="66"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="33" height="66"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
                                     <accessibility key="accessibilityConfiguration" label="Cancel"/>
                                     <inset key="titleEdgeInsets" minX="0.0" minY="18" maxX="0.0" maxY="0.0"/>
                                     <state key="normal" image="cancel_edit_default.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="cancel_edit_disabled.png"/>
                                     <state key="highlighted" backgroundImage="color_E.png"/>
@@ -296,22 +326,22 @@
                                     </connections>
                                 </button>
                                 <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" tag="5" contentMode="left" text="Contact1" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="10" id="uEp-mD-eik" userLabel="addressLabel">
-                                    <rect key="frame" x="75" y="0.0" width="421" height="66"/>
+                                    <rect key="frame" x="33" y="0.0" width="185" height="66"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
                                     <accessibility key="accessibilityConfiguration" label="Contact name">
                                         <accessibilityTraits key="traits" none="YES"/>
                                     </accessibility>
                                     <fontDescription key="fontDescription" type="system" pointSize="22"/>
-                                    <color key="textColor" white="0.33333333333333331" alpha="1" colorSpace="calibratedWhite"/>
+                                    <color key="textColor" red="0.33333333333333331" green="0.33333333333333331" blue="0.33333333333333331" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     <nil key="highlightedColor"/>
                                 </label>
                                 <button hidden="YES" opaque="NO" tag="8" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="RDW-7W-25T" userLabel="deleteButton" customClass="UIIconButton">
-                                    <rect key="frame" x="571" y="0.0" width="75" height="66"/>
+                                    <rect key="frame" x="251" y="0.0" width="34" height="66"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
                                     <accessibility key="accessibilityConfiguration" label="Delete all"/>
                                     <inset key="titleEdgeInsets" minX="0.0" minY="18" maxX="0.0" maxY="0.0"/>
                                     <state key="normal" image="delete_default.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="delete_disabled.png"/>
                                     <state key="highlighted" backgroundImage="color_E.png"/>
@@ -320,12 +350,12 @@
                                     </connections>
                                 </button>
                                 <button opaque="NO" tag="9" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="KeL-Ej-92j" userLabel="editButton" customClass="UIIconButton">
-                                    <rect key="frame" x="571" y="0.0" width="75" height="66"/>
+                                    <rect key="frame" x="251" y="0.0" width="34" height="66"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
                                     <accessibility key="accessibilityConfiguration" label="Edit"/>
                                     <inset key="titleEdgeInsets" minX="0.0" minY="18" maxX="0.0" maxY="0.0"/>
                                     <state key="normal" image="edit_list_default.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="edit_list_disabled.png"/>
                                     <state key="highlighted" backgroundImage="color_E.png"/>
@@ -335,10 +365,10 @@
                                     </connections>
                                 </button>
                                 <button opaque="NO" tag="6" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="wag-QV-oUD" userLabel="callButton" customClass="UIIconButton">
-                                    <rect key="frame" x="496" y="0.0" width="75" height="66"/>
+                                    <rect key="frame" x="218" y="0.0" width="33" height="66"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
                                     <state key="normal" image="call_alt_start_default.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="call_alt_start_disabled.png"/>
                                     <state key="highlighted" backgroundImage="color_E.png"/>
@@ -347,10 +377,10 @@
                                     </connections>
                                 </button>
                                 <button hidden="YES" opaque="NO" tag="7" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="t25-en-4LP" userLabel="backToCallButton" customClass="UIBackToCallButton">
-                                    <rect key="frame" x="496" y="0.0" width="75" height="66"/>
+                                    <rect key="frame" x="218" y="0.0" width="33" height="66"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
                                     <state key="normal" image="call_back_default.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="call_back_disabled.png"/>
                                     <state key="highlighted" backgroundImage="color_E.png"/>
@@ -359,13 +389,13 @@
                                     </connections>
                                 </button>
                                 <button hidden="YES" opaque="NO" tag="10" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" reversesTitleShadowWhenHighlighted="YES" showsTouchWhenHighlighted="YES" lineBreakMode="middleTruncation" id="4RV-US-Kr1" userLabel="toggleSelectionButton" customClass="UIIconButton">
-                                    <rect key="frame" x="496" y="0.0" width="75" height="66"/>
+                                    <rect key="frame" x="218" y="0.0" width="33" height="66"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" heightSizable="YES"/>
                                     <accessibility key="accessibilityConfiguration" label="Select all"/>
                                     <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                     <inset key="titleEdgeInsets" minX="0.0" minY="18" maxX="0.0" maxY="0.0"/>
                                     <state key="normal" image="deselect_all.png">
-                                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                        <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     </state>
                                     <state key="disabled" image="select_all_disabled.png"/>
                                     <state key="selected" image="select_all_default.png"/>
@@ -377,13 +407,13 @@
                             </subviews>
                         </view>
                         <view tag="12" contentMode="scaleToFill" id="OTt-fc-941" userLabel="contentView">
-                            <rect key="frame" x="0.0" y="66" width="646" height="306"/>
+                            <rect key="frame" x="0.0" y="66" width="285" height="559"/>
                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES" flexibleMaxY="YES"/>
                             <subviews>
                                 <tableView clipsSubviews="YES" tag="13" contentMode="scaleToFill" alwaysBounceVertical="YES" style="plain" separatorStyle="none" allowsSelection="NO" allowsSelectionDuringEditing="YES" allowsMultipleSelectionDuringEditing="YES" rowHeight="60" sectionHeaderHeight="22" sectionFooterHeight="22" id="CU7-Za-RwN" userLabel="messagesTableView">
-                                    <rect key="frame" x="0.0" y="0.0" width="646" height="218"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="285" height="471"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                                    <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     <gestureRecognizers/>
                                     <connections>
                                         <outlet property="dataSource" destination="29" id="hC0-KH-0e3"/>
@@ -391,33 +421,33 @@
                                     </connections>
                                 </tableView>
                                 <label hidden="YES" opaque="NO" userInteractionEnabled="NO" tag="16" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="No conversation." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="pzm-tk-LH0" userLabel="emptyTableLabel">
-                                    <rect key="frame" x="0.0" y="0.0" width="646" height="240"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="285" height="438"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMinY="YES" heightSizable="YES" flexibleMaxY="YES"/>
-                                    <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     <fontDescription key="fontDescription" type="system" pointSize="17"/>
-                                    <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
+                                    <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     <nil key="highlightedColor"/>
                                 </label>
                                 <view hidden="YES" tag="14" contentMode="scaleToFill" id="nTf-7h-Z4z" userLabel="composeIndicatorView">
-                                    <rect key="frame" x="0.0" y="218" width="646" height="22"/>
+                                    <rect key="frame" x="0.0" y="471" width="285" height="22"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMinY="YES"/>
                                     <subviews>
                                         <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" tag="15" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="%@ is composing..." lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumScaleFactor="0.5" id="I34-aL-yuS" userLabel="composeLabel">
-                                            <rect key="frame" x="0.0" y="0.0" width="646" height="22"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="285" height="22"/>
                                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                             <accessibility key="accessibilityConfiguration" label=""/>
                                             <fontDescription key="fontDescription" type="system" pointSize="17"/>
                                             <nil key="highlightedColor"/>
                                         </label>
                                     </subviews>
-                                    <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
+                                    <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.0" colorSpace="custom" customColorSpace="sRGB"/>
                                 </view>
                                 <view tag="17" contentMode="scaleToFill" id="LA5-wD-ftj" userLabel="messageView">
-                                    <rect key="frame" x="0.0" y="240" width="646" height="66"/>
+                                    <rect key="frame" x="0.0" y="493" width="285" height="66"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMinY="YES"/>
                                     <subviews>
                                         <imageView userInteractionEnabled="NO" tag="18" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="color_F.png" id="kKc-DG-gwg" userLabel="backgroundColor">
-                                            <rect key="frame" x="0.0" y="0.0" width="646" height="66"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="285" height="66"/>
                                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                         </imageView>
                                         <button opaque="NO" tag="19" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="gSL-jE-GYO" userLabel="pictureButton">
@@ -425,7 +455,7 @@
                                             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES" flexibleMaxY="YES"/>
                                             <accessibility key="accessibilityConfiguration" label="Send picture"/>
                                             <state key="normal" image="chat_attachment_default.png">
-                                                <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                                <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             </state>
                                             <state key="disabled" image="chat_attachment_disabled.png"/>
                                             <state key="highlighted" image="chat_attachment_over.png"/>
@@ -434,18 +464,18 @@
                                             </connections>
                                         </button>
                                         <view tag="20" contentMode="scaleToFill" id="C02-2r-vXK" userLabel="messageField" customClass="HPGrowingTextView">
-                                            <rect key="frame" x="66" y="13" width="513" height="40"/>
+                                            <rect key="frame" x="29" y="13" width="226" height="40"/>
                                             <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" flexibleMinY="YES" heightSizable="YES" flexibleMaxY="YES"/>
-                                            <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                            <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <accessibility key="accessibilityConfiguration" label="Message field"/>
                                         </view>
                                         <button opaque="NO" tag="21" contentMode="scaleToFill" enabled="NO" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="nV9-xZ-oSM" userLabel="sendButton">
-                                            <rect key="frame" x="580" y="0.0" width="66" height="66"/>
+                                            <rect key="frame" x="219" y="0.0" width="66" height="66"/>
                                             <autoresizingMask key="autoresizingMask" flexibleMinX="YES" flexibleMinY="YES" flexibleMaxY="YES"/>
                                             <accessibility key="accessibilityConfiguration" label="Send"/>
                                             <inset key="titleEdgeInsets" minX="0.0" minY="30" maxX="0.0" maxY="0.0"/>
                                             <state key="normal" image="chat_send_default.png">
-                                                <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                                <color key="titleShadowColor" red="0.5" green="0.5" blue="0.5" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             </state>
                                             <state key="disabled" image="chat_send_disabled.png"/>
                                             <state key="highlighted" image="chat_send_over.png"/>
@@ -458,13 +488,11 @@
                             </subviews>
                         </view>
                     </subviews>
-                    <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                     <gestureRecognizers/>
                 </view>
             </subviews>
-            <color key="backgroundColor" red="1" green="1" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
-            <simulatedOrientationMetrics key="simulatedOrientationMetrics" orientation="landscapeRight"/>
-            <simulatedScreenMetrics key="simulatedDestinationMetrics" type="retina55"/>
+            <color key="backgroundColor" red="1" green="1" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
             <point key="canvasLocation" x="252" y="-176"/>
         </view>
         <tableViewController autoresizesArchivedViewToFullSize="NO" id="29" userLabel="messagesTableView" customClass="ChatConversationTableView">
@@ -491,28 +519,29 @@
         </tapGestureRecognizer>
     </objects>
     <resources>
-        <image name="back_default.png" width="24" height="21"/>
-        <image name="back_disabled.png" width="24" height="21"/>
+        <image name="back_default.png" width="24" height="22"/>
+        <image name="back_disabled.png" width="24" height="22"/>
         <image name="call_alt_start_default.png" width="29" height="29"/>
         <image name="call_alt_start_disabled.png" width="29" height="29"/>
         <image name="call_back_default.png" width="38" height="27"/>
         <image name="call_back_disabled.png" width="38" height="27"/>
         <image name="cancel_edit_default.png" width="29" height="29"/>
         <image name="cancel_edit_disabled.png" width="29" height="29"/>
-        <image name="chat_attachment_default.png" width="40" height="40"/>
-        <image name="chat_attachment_disabled.png" width="40" height="40"/>
-        <image name="chat_attachment_over.png" width="40" height="40"/>
-        <image name="chat_send_default.png" width="40" height="40"/>
-        <image name="chat_send_disabled.png" width="40" height="40"/>
-        <image name="chat_send_over.png" width="40" height="40"/>
+        <image name="chat_attachment_default.png" width="41" height="41"/>
+        <image name="chat_attachment_disabled.png" width="41" height="41"/>
+        <image name="chat_attachment_over.png" width="41" height="41"/>
+        <image name="chat_group_informations.png" width="38" height="38"/>
+        <image name="chat_send_default.png" width="41" height="41"/>
+        <image name="chat_send_disabled.png" width="41" height="41"/>
+        <image name="chat_send_over.png" width="41" height="41"/>
         <image name="color_E.png" width="2" height="2"/>
         <image name="color_F.png" width="2" height="2"/>
-        <image name="delete_default.png" width="21" height="27"/>
-        <image name="delete_disabled.png" width="21" height="27"/>
-        <image name="deselect_all.png" width="26" height="26"/>
-        <image name="edit_list_default.png" width="29" height="28"/>
-        <image name="edit_list_disabled.png" width="29" height="28"/>
-        <image name="select_all_default.png" width="26" height="26"/>
-        <image name="select_all_disabled.png" width="26" height="26"/>
+        <image name="delete_default.png" width="21" height="28"/>
+        <image name="delete_disabled.png" width="21" height="28"/>
+        <image name="deselect_all.png" width="27" height="27"/>
+        <image name="edit_list_default.png" width="30" height="28"/>
+        <image name="edit_list_disabled.png" width="30" height="28"/>
+        <image name="select_all_default.png" width="27" height="27"/>
+        <image name="select_all_disabled.png" width="27" height="27"/>
     </resources>
 </document>
diff --git a/Classes/ChatConversationView.h b/Classes/ChatConversationView.h
index 4af6534c5..58eee2358 100644
--- a/Classes/ChatConversationView.h
+++ b/Classes/ChatConversationView.h
@@ -55,6 +55,8 @@
 @property(nonatomic, strong) IBOutlet UIButton *pictureButton;
 @property(weak, nonatomic) IBOutlet UIIconButton *callButton;
 @property(weak, nonatomic) IBOutlet UIBackToCallButton *backToCallButton;
+@property (weak, nonatomic) IBOutlet UIIconButton *infoButton;
+@property (weak, nonatomic) IBOutlet UILabel *particpantsLabel;
 
 - (IBAction)onBackClick:(id)event;
 - (IBAction)onEditClick:(id)event;
diff --git a/Classes/ChatConversationView.m b/Classes/ChatConversationView.m
index 82e6f2874..b5f6f09c1 100644
--- a/Classes/ChatConversationView.m
+++ b/Classes/ChatConversationView.m
@@ -117,9 +117,8 @@ static UICompositeViewDescription *compositeDescription = nil;
 											   name:kLinphoneCallUpdate
 											 object:nil];
 
-	[_backToCallButton update];
-	_callButton.hidden = !_backToCallButton.hidden;
-
+	[self updateSuperposedButtons];
+	
 	if (_tableController.isEditing) {
 		[_tableController setEditing:NO];
 	}
@@ -130,6 +129,23 @@ static UICompositeViewDescription *compositeDescription = nil;
 
 	[self callUpdateEvent:nil];
 	PhoneMainView.instance.currentRoom = self.chatRoom;
+	_addressLabel.text = [NSString stringWithUTF8String:linphone_chat_room_get_subject(_chatRoom)];
+
+	if (linphone_chat_room_get_nb_participants(_chatRoom) == 1) {
+		_particpantsLabel.hidden = TRUE;
+	} else {
+		_particpantsLabel.hidden = FALSE;
+		bctbx_list_t *participants = linphone_chat_room_get_participants(_chatRoom);
+		_particpantsLabel.text = @"";
+		while (participants) {
+			LinphoneParticipant *participant = (LinphoneParticipant *)participants->data;
+			if (![_particpantsLabel.text isEqualToString:@""])
+				_particpantsLabel.text = [_particpantsLabel.text stringByAppendingString:@", "];
+
+			_particpantsLabel.text = [_particpantsLabel.text stringByAppendingString:[NSString stringWithUTF8String:linphone_address_get_display_name(linphone_participant_get_address(participant))]];
+			participants = participants->next;
+		}
+	}
 }
 
 - (void)viewWillDisappear:(BOOL)animated {
@@ -149,8 +165,7 @@ static UICompositeViewDescription *compositeDescription = nil;
 	[_messageField refreshHeight];
 	composingVisible = !composingVisible;
 	[self setComposingVisible:!composingVisible withDelay:0];
-	[_backToCallButton update];
-	self.callButton.hidden = !self.backToCallButton.hidden;
+	[self updateSuperposedButtons];
 	[_tableController scrollToBottom:true];
 }
 
@@ -187,8 +202,7 @@ static UICompositeViewDescription *compositeDescription = nil;
 }
 
 - (void)callUpdateEvent:(NSNotification *)notif {
-	_callButton.hidden = (_tableController.isEditing || linphone_core_get_current_call(LC) != NULL);
-	_backToCallButton.hidden = !_callButton.hidden;
+	[_backToCallButton update];
 }
 
 - (void)markAsRead {
@@ -340,6 +354,12 @@ static UICompositeViewDescription *compositeDescription = nil;
 		}];
 }
 
+- (void)updateSuperposedButtons {
+	[_backToCallButton update];
+	_infoButton.hidden = (linphone_chat_room_get_nb_participants(_chatRoom) == 1) || !_backToCallButton.hidden;
+	_callButton.hidden = !_backToCallButton.hidden && !_infoButton.hidden;
+}
+
 #pragma mark - Event Functions
 
 - (void)textReceivedEvent:(NSNotification *)notif {
@@ -429,75 +449,6 @@ static UICompositeViewDescription *compositeDescription = nil;
 		}
 	}
 }
-/*
-#pragma mark - UITextFieldDelegate Functions
-
-- (BOOL)textViewShouldBeginEditing:(UITextView *)textView {
-	if (_tableController.isEditing) {
-		[_tableController setEditing:NO];
-	}
-	[_listTapGestureRecognizer setEnabled:TRUE];
-	return TRUE;
-}
-
-- (BOOL)textViewShouldEndEditing:(UITextView *)textView {
-	[_listTapGestureRecognizer setEnabled:FALSE];
-	return TRUE;
-}
-
-- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
-	if ([text isEqualToString:@"\n"]) {
-		[_listTapGestureRecognizer setEnabled:FALSE];
-		[self onSendClick:nil];
-		textView.text = @"";
-		return NO;
-	}
-	return YES;
-}
-
-- (void)textViewDidChange:(UITextView *)textView {
-	if ([textView.text length] > 0) {
-		linphone_chat_room_compose(_chatRoom);
-	}
-}
-
-- (void)textViewDidEndEditing:(UITextView *)textView {
-	[_listTapGestureRecognizer setEnabled:FALSE];
-	[textView resignFirstResponder];
-}
-*/
-/*
- - (void)growingTextView:(HPGrowingTextView *)growingTextView willChangeHeight:(float)height {
-	int diff = height - growingTextView.bounds.size.height;
-
-	if (diff != 0) {
-		CGRect messageRect = [_messageView frame];
-		messageRect.origin.y -= diff;
-		messageRect.size.height += diff;
-		[_messageView setFrame:messageRect];
-
-		// Always stay at bottom
-		if (scrollOnGrowingEnabled) {
-			CGRect tableFrame = [_tableController.view frame];
-			CGPoint contentPt = [_tableController.tableView contentOffset];
-			contentPt.y += diff;
-			if (contentPt.y + tableFrame.size.height > _tableController.tableView.contentSize.height)
-				contentPt.y += diff;
-			[_tableController.tableView setContentOffset:contentPt animated:FALSE];
-		}
-
-		CGRect tableRect = [_tableController.view frame];
-		tableRect.size.height -= diff;
-		[_tableController.view setFrame:tableRect];
-
-		// if we're showing the compose message, update it position
-		if (![_composeLabel isHidden]) {
-			CGRect frame = [_composeLabel frame];
-			frame.origin.y -= diff;
-			[_composeLabel setFrame:frame];
-		}
-	}
-}*/
 
 #pragma mark - Action Functions
 
@@ -541,11 +492,8 @@ static UICompositeViewDescription *compositeDescription = nil;
 }
 
 - (IBAction)onEditionChangeClick:(id)sender {
-	_backButton.hidden = _callButton.hidden = _tableController.isEditing;
-	[_backToCallButton update];
-	if (!_backToCallButton.hidden) {
-		_callButton.hidden = TRUE;
-	}
+	_backButton.hidden = _tableController.isEditing;
+	[self updateSuperposedButtons];
 }
 
 - (IBAction)onCallClick:(id)sender {
@@ -569,6 +517,27 @@ static UICompositeViewDescription *compositeDescription = nil;
 	[ImagePickerView SelectImageFromDevice:self atPosition:_pictureButton inView:self.view];
 }
 
+- (IBAction)onInfoClick:(id)sender {
+	NSMutableDictionary *contactsDict = [[NSMutableDictionary alloc] init];
+	NSMutableArray *admins = [[NSMutableArray alloc] init];
+	bctbx_list_t *participants = linphone_chat_room_get_participants(_chatRoom);
+	while (participants) {
+		LinphoneParticipant *participant = (LinphoneParticipant *)participants->data;
+		NSString *name = [NSString stringWithUTF8String:linphone_address_get_display_name(linphone_participant_get_address(participant))];
+		NSString *uri = [NSString stringWithUTF8String:linphone_address_as_string_uri_only(linphone_participant_get_address(participant))];
+		[contactsDict setObject:name forKey:uri];
+
+		if(linphone_participant_is_admin(participant))
+		   [admins addObject:uri];
+		participants = participants->next;
+	}
+	ChatConversationInfoView *view = VIEW(ChatConversationInfoView);
+	view.contacts = contactsDict;
+	view.create = FALSE;
+	view.admins = admins;
+	[PhoneMainView.instance changeCurrentView:view.compositeViewDescription];
+}
+
 #pragma mark ChatRoomDelegate
 
 - (BOOL)startImageUpload:(UIImage *)image url:(NSURL *)url withQuality:(float)quality {
diff --git a/Classes/LinphoneUI/UIChatConversationInfoTableViewCell.xib b/Classes/LinphoneUI/UIChatConversationInfoTableViewCell.xib
index 0e281a62f..39fa1f379 100644
--- a/Classes/LinphoneUI/UIChatConversationInfoTableViewCell.xib
+++ b/Classes/LinphoneUI/UIChatConversationInfoTableViewCell.xib
@@ -15,7 +15,7 @@
             <rect key="frame" x="0.0" y="0.0" width="375" height="44"/>
             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
             <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="KGk-i7-Jjw" id="H2p-sc-9uM">
-                <rect key="frame" x="0.0" y="0.0" width="375" height="43.5"/>
+                <rect key="frame" x="0.0" y="0.0" width="375" height="44"/>
                 <autoresizingMask key="autoresizingMask"/>
                 <subviews>
                     <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="John Doe" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="rrT-f7-NQO" userLabel="displayNameLabel">
diff --git a/Resources/images/chat_group_informations.png b/Resources/images/chat_group_informations.png
new file mode 100644
index 000000000..2d722f77d
Binary files /dev/null and b/Resources/images/chat_group_informations.png differ
diff --git a/Resources/images/chat_group_informations@2x.png b/Resources/images/chat_group_informations@2x.png
new file mode 100644
index 000000000..9dd0cd040
Binary files /dev/null and b/Resources/images/chat_group_informations@2x.png differ
diff --git a/linphone.xcodeproj/project.pbxproj b/linphone.xcodeproj/project.pbxproj
index d8b74969c..b9fb60650 100755
--- a/linphone.xcodeproj/project.pbxproj
+++ b/linphone.xcodeproj/project.pbxproj
@@ -705,6 +705,8 @@
 		8CE845651EC3500A00A94D60 /* bctoolbox-tester.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8C5BCEC61EB3859200A9AAEF /* bctoolbox-tester.framework */; };
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+		8CF25D9D1F9F76BD00BEA0C1 /* chat_group_informations.png in Resources */ = {isa = PBXBuildFile; fileRef = 8CF25D9B1F9F76BC00BEA0C1 /* chat_group_informations.png */; };
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@@ -1724,6 +1726,8 @@
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@@ -2446,6 +2450,8 @@
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 			isa = PBXGroup;
 			children = (
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@@ -3577,6 +3583,7 @@
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 				633FEEF41D3CD55A0014B822 /* numpad_star_default.png in Resources */,
 				633FEDDE1D3CD5590014B822 /* call_start_body_over.png in Resources */,
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@@ -3665,6 +3672,7 @@
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