call_hangup      2087 src/ftdm_io.c  	call_hangup(ftdmchan, file, func, line);
call_hangup      2097 src/ftdm_io.c  	call_hangup(ftdmchan, file, func, line);
call_hangup      4770 src/ftdm_io.c  		call_hangup(fchan, __FILE__, __FUNCTION__, __LINE__);