Fix the missing call log

            // Conference children connections only have CAPABILITY_DISCONNECT_FROM_CONFERENCE.

            // Log them when they are disconnected from conference.

            return Connection.can(call.getConnectionCapabilities(),

                    Connection.CAPABILITY_DISCONNECT_FROM_CONFERENCE);

                    Connection.CAPABILITY_DISCONNECT_FROM_CONFERENCE)

                    // Sometimes conference participants don't look like merged due to special

                    // carrier requirements, e.g. could be one active and the other on hold.

                    || oldState == CallState.ACTIVE || oldState == CallState.ON_HOLD;

        }

        // 5) An external call

        if (call.isExternalCall()) {