445     private final Map<String, Connection> mConnectionById = new ConcurrentHashMap<>();  field in ConnectionService
2558         if (mConnectionById.containsKey(callId)) {  in answerVideo()
2567         if (mConnectionById.containsKey(callId)) {  in answer()
2581         if (mConnectionById.containsKey(callId)) {  in reject()
2617         if (mConnectionById.containsKey(callId)) {  in disconnect()
2626         if (mConnectionById.containsKey(callId)) {  in hold()
2635         if (mConnectionById.containsKey(callId)) {  in unhold()
2644         if (mConnectionById.containsKey(callId)) {  in onCallAudioStateChanged()
2655         if (mConnectionById.containsKey(callId)) {  in onCallEndpointChanged()
2665         if (mConnectionById.containsKey(callId)) {  in onAvailableCallEndpointsChanged()
2676         if (mConnectionById.containsKey(callId)) {  in onMuteStateChanged()
2685         if (mConnectionById.containsKey(callId)) {  in onUsingAlternativeUi()
2693         if (mConnectionById.containsKey(callId)) {  in onTrackedByNonUiService()
2701         if (mConnectionById.containsKey(callId)) {  in playDtmfTone()
2710         if (mConnectionById.containsKey(callId)) {  in stopDtmfTone()
2797         if (mConnectionById.containsKey(callId)) {  in addConferenceParticipants()
2874         if (mConnectionById.containsKey(callId)) {  in handleExtrasChanged()
2883         if (mConnectionById.containsKey(callId)) {  in startRtt()
2892         if (mConnectionById.containsKey(callId)) {  in stopRtt()
2901         if (mConnectionById.containsKey(callId)) {  in handleRttUpgradeResponse()
3190         return mConnectionById.values();  in getAllConnections()
3677         mConnectionById.put(callId, connection);  in addConnection()
3691             mConnectionById.remove(id);  in removeConnection()
3737         if (callId != null && mConnectionById.containsKey(callId)) {  in findConnectionForAction()
3738             return mConnectionById.get(callId);  in findConnectionForAction()