FAQ

What is this error? WARNING[23261]: res_musiconhold.c:719 monmp3thread: poll() failed: Interrupted system call

Nothing to worry, when the Musing On Hold process terminates to play the media file, this error is thrown out, just ignore it

What is this error? <nowiki>WARNING[3221]

func_cdr.c:352 cdr_write_callback: CDR requires a value (CDR(variable)=value) : Nothing to worry, it is a small glitch in the dialplan, but avoiding it will require an extra check, slowing down the call processing, so it is avoided, preferring the warning