DO NOT MERGE Remove connection substate

                setAudioQuality(newAudioQuality);

                changed = true;

            }

            // Check if call substate has changed. If so notify listeners of call state changed.

            int callSubstate = getCallSubstate();

            int newCallSubstate = imsCall.getCallSubstate();

            if (callSubstate != newCallSubstate) {

                setCallSubstate(newCallSubstate);

                changed = true;

            }

        } catch (ImsException e) {

            // No session in place -- no change

        }