diff --git a/Resources/linphonerc b/Resources/linphonerc
index 68c25dd3e..e65093c7f 100644
--- a/Resources/linphonerc
+++ b/Resources/linphonerc
@@ -50,7 +50,7 @@ reg_expires=1314000
 file_transfer_server_url=https://www.linphone.org:444/lft.php
 max_calls=3
 real_early_media=1
-prefer_basic_chat_room=0
+prefer_basic_chat_room=-1
 
 [net]
 edge_bw=10
diff --git a/Resources/linphonerc-factory b/Resources/linphonerc-factory
index 3a8b41a43..38eedc0c5 100644
--- a/Resources/linphonerc-factory
+++ b/Resources/linphonerc-factory
@@ -47,7 +47,7 @@ history_max_size=-1
 enable_basic_to_client_group_chat_room_migration=0
 aggregate_imdn=1
 version_check_url_root=https://linphone.org/releases
-prefer_basic_chat_room=0
+prefer_basic_chat_room=-1
 auto_net_state_mon=1
 
 [sound]
diff --git a/linphone-Info.plist b/linphone-Info.plist
index 1ce632691..22234227d 100644
--- a/linphone-Info.plist
+++ b/linphone-Info.plist
@@ -77,7 +77,7 @@
 		</dict>
 	</array>
 	<key>CFBundleVersion</key>
-	<string>6</string>
+	<string>7</string>
 	<key>ITSAppUsesNonExemptEncryption</key>
 	<true/>
 	<key>ITSEncryptionExportComplianceCode</key>
diff --git a/linphoneExtension/Info.plist b/linphoneExtension/Info.plist
index 03c248c1d..0b7a3a895 100644
--- a/linphoneExtension/Info.plist
+++ b/linphoneExtension/Info.plist
@@ -19,7 +19,7 @@
 	<key>CFBundleShortVersionString</key>
 	<string>4.2.2</string>
 	<key>CFBundleVersion</key>
-	<string>6</string>
+	<string>7</string>
 	<key>NSExtension</key>
 	<dict>
 		<key>NSExtensionAttributes</key>