diff --git a/Telegram/Resources/tl/api.tl b/Telegram/Resources/tl/api.tl
index 6d2f7fa06a..cb7ea42745 100644
--- a/Telegram/Resources/tl/api.tl
+++ b/Telegram/Resources/tl/api.tl
@@ -1191,7 +1191,7 @@ inputGroupCall#d8aa840f id:long access_hash:long = InputGroupCall;
 
 groupCallParticipant#56b087c9 flags:# muted:flags.0?true left:flags.1?true can_self_unmute:flags.2?true user_id:int date:int active_date:flags.3?int source:int = GroupCallParticipant;
 
-phone.groupCall#985c2087 call:GroupCall sources:Vector<int> participants:Vector<GroupCallParticipant> participants_next_offset:string users:Vector<User> = phone.GroupCall;
+phone.groupCall#66ab0bfc call:GroupCall participants:Vector<GroupCallParticipant> participants_next_offset:string users:Vector<User> = phone.GroupCall;
 
 phone.groupParticipants#9cfeb92d count:int participants:Vector<GroupCallParticipant> next_offset:string users:Vector<User> version:int = phone.GroupParticipants;
 
@@ -1557,7 +1557,7 @@ phone.inviteToGroupCall#7b393160 call:InputGroupCall users:Vector<InputUser> = U
 phone.discardGroupCall#7a777135 call:InputGroupCall = Updates;
 phone.toggleGroupCallSettings#74bbb43d flags:# call:InputGroupCall join_muted:flags.0?Bool = Updates;
 phone.getGroupCall#c7cb017 call:InputGroupCall = phone.GroupCall;
-phone.getGroupParticipants#ae1910a4 call:InputGroupCall offset:string limit:int = phone.GroupParticipants;
+phone.getGroupParticipants#c9f1d285 call:InputGroupCall ids:Vector<int> sources:Vector<int> offset:string limit:int = phone.GroupParticipants;
 phone.checkGroupCall#b74a7bea call:InputGroupCall source:int = Bool;
 
 langpack.getLangPack#f2f2330a lang_pack:string lang_code:string = LangPackDifference;
diff --git a/Telegram/SourceFiles/calls/calls_group_call.cpp b/Telegram/SourceFiles/calls/calls_group_call.cpp
index 08838d9164..a99229d5ba 100644
--- a/Telegram/SourceFiles/calls/calls_group_call.cpp
+++ b/Telegram/SourceFiles/calls/calls_group_call.cpp
@@ -351,7 +351,8 @@ void GroupCall::createAndStartController() {
 		},
 		.audioLevelsUpdated = [=](const AudioLevels &data) {
 		},
-		.myAudioLevelUpdated = [=](float) {
+		.myAudioLevelUpdated = [=](float level) {
+			crl::on_main(weak, [=] { myLevelUpdated(level); });
 		},
 		.initialInputDeviceId = settings.callInputDeviceId().toStdString(),
 		.initialOutputDeviceId = settings.callOutputDeviceId().toStdString(),
@@ -387,6 +388,12 @@ void GroupCall::createAndStartController() {
 	//raw->setAudioOutputDuckingEnabled(settings.callAudioDuckingEnabled());
 }
 
+void GroupCall::myLevelUpdated(float level) {
+	if (level > 0.) {
+
+	}
+}
+
 void GroupCall::sendMutedUpdate() {
 	_api.request(_updateMuteRequestId).cancel();
 	_updateMuteRequestId = _api.request(MTPphone_EditGroupCallMember(
diff --git a/Telegram/SourceFiles/calls/calls_group_call.h b/Telegram/SourceFiles/calls/calls_group_call.h
index 2a5495ae14..7551e4a8ab 100644
--- a/Telegram/SourceFiles/calls/calls_group_call.h
+++ b/Telegram/SourceFiles/calls/calls_group_call.h
@@ -104,6 +104,8 @@ private:
 	void applySelfInCallLocally();
 	void rejoin();
 
+	void myLevelUpdated(float level);
+
 	[[nodiscard]] MTPInputGroupCall inputCall() const;
 
 	const not_null<Delegate*> _delegate;
diff --git a/Telegram/SourceFiles/data/data_group_call.cpp b/Telegram/SourceFiles/data/data_group_call.cpp
index 1d6265614a..a3a6251c6e 100644
--- a/Telegram/SourceFiles/data/data_group_call.cpp
+++ b/Telegram/SourceFiles/data/data_group_call.cpp
@@ -63,6 +63,8 @@ void GroupCall::requestParticipants() {
 	auto &api = _channel->session().api();
 	_participantsRequestId = api.request(MTPphone_GetGroupParticipants(
 		input(),
+		MTP_vector<MTPint>(), // ids
+		MTP_vector<MTPint>(), // sources
 		MTP_string(_nextOffset),
 		MTP_int(kRequestPerPage)
 	)).done([=](const MTPphone_GroupParticipants &result) {