diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d0b2efe2e..07e4db1b1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,7 +26,7 @@ variables:
   DEBIAN_9_QT_IMAGE_VERSION: 20230417_qtopen_gstreamer
   DEBIAN_10_IMAGE_VERSION: 20210217_python3
   UBUNTU_ROLLING_IMAGE_VERSION: 20211012_add_qtwebview
-  UBUNTU_1804_IMAGE_VERSION: 20230315_qt
+  UBUNTU_1804_IMAGE_VERSION: 20230706_add_deps_for_av1
 
 
 workflow:
diff --git a/linphone-app/src/components/conferenceInfo/ConferenceInfoModel.cpp b/linphone-app/src/components/conferenceInfo/ConferenceInfoModel.cpp
index 8438e6432..95d615c0c 100644
--- a/linphone-app/src/components/conferenceInfo/ConferenceInfoModel.cpp
+++ b/linphone-app/src/components/conferenceInfo/ConferenceInfoModel.cpp
@@ -185,7 +185,7 @@ QString ConferenceInfoModel::displayNamesToString()const{
 
 QString ConferenceInfoModel::getUri() const{
 	auto address = mConferenceInfo->getUri();
-	return address->isValid() && !address->getDomain().empty() ? QString::fromStdString(address->asStringUriOnly()) : "";
+	return address && address->isValid() && !address->getDomain().empty() ? QString::fromStdString(address->asStringUriOnly()) : "";
 }
 
 bool ConferenceInfoModel::isScheduled() const{
diff --git a/linphone-app/src/components/contacts/ContactsListModel.cpp b/linphone-app/src/components/contacts/ContactsListModel.cpp
index 28db1199f..78ecac122 100644
--- a/linphone-app/src/components/contacts/ContactsListModel.cpp
+++ b/linphone-app/src/components/contacts/ContactsListModel.cpp
@@ -25,6 +25,7 @@
 #include "components/contact/VcardModel.hpp"
 #include "components/core/CoreManager.hpp"
 #include "components/friend/FriendListListener.hpp"
+#include "utils/Utils.hpp"
 
 #include "ContactsListModel.hpp"
 
diff --git a/linphone-app/src/components/settings/AccountSettingsModel.cpp b/linphone-app/src/components/settings/AccountSettingsModel.cpp
index 8cf8a285d..f373d7660 100644
--- a/linphone-app/src/components/settings/AccountSettingsModel.cpp
+++ b/linphone-app/src/components/settings/AccountSettingsModel.cpp
@@ -96,7 +96,7 @@ shared_ptr<linphone::Address> AccountSettingsModel::getUsedSipAddress () const {
 	return nullptr;
 }
 
-void AccountSettingsModel::setUsedSipAddress (const shared_ptr<const linphone::Address> &address) {
+void AccountSettingsModel::setUsedSipAddress (const shared_ptr<linphone::Address> &address) {
 	shared_ptr<linphone::Core> core = CoreManager::getInstance()->getCore();
 	shared_ptr<linphone::Account> account = core->getDefaultAccount();
 	if( account){
diff --git a/linphone-app/src/components/settings/AccountSettingsModel.hpp b/linphone-app/src/components/settings/AccountSettingsModel.hpp
index ae784c917..2e9e46d2a 100644
--- a/linphone-app/src/components/settings/AccountSettingsModel.hpp
+++ b/linphone-app/src/components/settings/AccountSettingsModel.hpp
@@ -68,6 +68,7 @@ public:
 	
 	std::shared_ptr<linphone::Account> findAccount(std::shared_ptr<const linphone::Address> address) const ;
 	
+	
 	QString getUsedSipAddressAsStringUriOnly () const;
 	QString getUsedSipAddressAsString () const;
 	
diff --git a/linphone-app/src/utils/MediastreamerUtils.cpp b/linphone-app/src/utils/MediastreamerUtils.cpp
index 74c5f3703..f92571885 100644
--- a/linphone-app/src/utils/MediastreamerUtils.cpp
+++ b/linphone-app/src/utils/MediastreamerUtils.cpp
@@ -50,13 +50,30 @@ SimpleCaptureGraph::~SimpleCaptureGraph()
 {
 	destroy();
 }
+static void device_notify_cb(void *user_data, MSFilter *f, unsigned int event, void *eventdata) {
+	if (event == MS_FILTER_OUTPUT_FMT_CHANGED) {
+		SimpleCaptureGraph * graph = (SimpleCaptureGraph *)user_data;
+		int captureRate, playbackRate, captureChannels, playbackChannels;
+		ms_filter_call_method(graph->audioCapture,MS_FILTER_GET_SAMPLE_RATE,&captureRate);
+		ms_filter_call_method(graph->audioSink,MS_FILTER_GET_SAMPLE_RATE,&playbackRate);
+		ms_filter_call_method(graph->audioCapture,MS_FILTER_GET_NCHANNELS,&captureChannels);
+		ms_filter_call_method(graph->audioSink,MS_FILTER_GET_NCHANNELS,&playbackChannels);
+		
+		ms_filter_call_method(graph->resamplerFilter,MS_FILTER_SET_SAMPLE_RATE,&captureRate);
+		ms_filter_call_method(graph->resamplerFilter,MS_FILTER_SET_OUTPUT_SAMPLE_RATE,&playbackRate);
+		ms_filter_call_method(graph->resamplerFilter,MS_FILTER_SET_NCHANNELS,&captureChannels);
+		ms_filter_call_method(graph->resamplerFilter,MS_FILTER_SET_OUTPUT_NCHANNELS,&playbackChannels);
+	}
+}
 
 void SimpleCaptureGraph::init() {
 	if (!audioCapture) {
 		audioCapture = ms_snd_card_create_reader(captureCard);
+		ms_filter_add_notify_callback(audioCapture, device_notify_cb,this,FALSE);
 	}
 	if (!audioSink) {
 		audioSink = ms_snd_card_create_writer(playbackCard);
+		ms_filter_add_notify_callback(audioSink, device_notify_cb,this,FALSE);
 	}
 	if (!captureVolumeFilter) {
 		captureVolumeFilter = ms_factory_create_filter(msFactory, MS_VOLUME_ID);
diff --git a/linphone-app/src/utils/MediastreamerUtils.hpp b/linphone-app/src/utils/MediastreamerUtils.hpp
index 74f48e842..d5790322c 100644
--- a/linphone-app/src/utils/MediastreamerUtils.hpp
+++ b/linphone-app/src/utils/MediastreamerUtils.hpp
@@ -78,7 +78,7 @@ namespace MediastreamerUtils {
 		bool isRunning() const {
 			return running;
 		}
-	protected:
+
 		void init();
 		void destroy();
 
diff --git a/linphone-sdk b/linphone-sdk
index 88c727d0c..6b6f90537 160000
--- a/linphone-sdk
+++ b/linphone-sdk
@@ -1 +1 @@
-Subproject commit 88c727d0c8cd2d93d8ddcca1a4bff4a2e2fd7e89
+Subproject commit 6b6f905377c2a07c3086be3049d8bb227848eed3