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__);