FTDM_CHANNEL_USER_HANGUP 2178 src/ftdm_io.c  		ftdm_set_flag(chan, FTDM_CHANNEL_USER_HANGUP);
FTDM_CHANNEL_USER_HANGUP 2612 src/ftdm_io.c  	ftdm_clear_flag(ftdmchan, FTDM_CHANNEL_USER_HANGUP);
FTDM_CHANNEL_USER_HANGUP 5532 src/ftdm_io.c  		if (ftdm_test_flag(sigmsg->channel, FTDM_CHANNEL_USER_HANGUP)) {