Aug 15 13:45:46 VERBOSE[8260] logger.c: -- Response timeout set to 10
Aug 15 13:45:46 VERBOSE[8260] logger.c: -- Executing BackGround("SIP/216.143.130.35-b7805600", "custom/pun4") in new stack
Aug 15 13:45:46 WARNING[8260] format_wav.c: Not in mono 2
Aug 15 13:45:46 WARNING[8260] file.c: Unable to open file on /var/lib/asterisk/sounds/custom/pun4.wav
Aug 15 13:45:46 WARNING[8260] file.c: Unable to open custom/pun4 (format ulaw): No such file or directory
Aug 15 13:45:46 WARNING[8260] pbx.c: ast_streamfile failed on SIP/216.143.130.35-b7805600 for custom/pun4