ftdm_wait_for_flag_cleared 2450 src/ftdm_io.c  		ftdm_wait_for_flag_cleared(ftdmchan, FTDM_CHANNEL_STATE_CHANGE, 100);
ftdm_wait_for_flag_cleared  399 src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_support.c 	ftdm_wait_for_flag_cleared(ftdmchan, FTDM_CHANNEL_STATE_CHANGE, 500);