Jul  5 15:59:05 VERBOSE[28145] logger.c:     -- Executing Dial("IAX2/trunk-13", "ZAP/G1/XXXXXXX") in new stack
Jul  5 15:59:05 VERBOSE[28145] logger.c:     -- Requested transfer capability: 0x00 - SPEECH
Jul  5 15:59:05 VERBOSE[28145] logger.c:     -- Called G1/6652384
Jul  5 15:59:05 VERBOSE[28145] logger.c:     -- Zap/22-1 is proceeding passing it to IAX2/trunk-13
Jul  5 15:59:06 VERBOSE[28145] logger.c:     -- Zap/22-1 is ringing
Jul  5 15:59:22 VERBOSE[28152] logger.c:     -- Starting simple switch on 'Zap/41-1'
Jul  5 15:59:25 VERBOSE[28152] logger.c:     -- Hungup 'Zap/41-1'
Jul  5 15:59:28 VERBOSE[28145] logger.c:     -- Hungup 'Zap/22-1'
Jul  5 15:59:28 VERBOSE[28145] logger.c:   == Spawn extension (default, 9XXXXXXX, 3) exited non-zero on 'IAX2/trunk-13'
Jul  5 15:59:33 VERBOSE[28156] logger.c:     -- Starting simple switch on 'Zap/41-1'
Jul  5 15:59:35 VERBOSE[28156] logger.c:     -- Hungup 'Zap/41-1'
Jul  5 15:59:45 WARNING[26875] channel.c: Avoided initial deadlock for '0xa168828', 10 retries!
Jul  5 15:59:45 WARNING[26875] channel.c: Avoided initial deadlock for '0xa168828', 10 retries!
Jul  5 15:59:56 NOTICE[26894] chan_iax2.c: Avoiding IAX destroy deadlock
Jul  5 15:59:56 NOTICE[26894] chan_iax2.c: Avoiding IAX destroy deadlock
Jul  5 15:59:56 NOTICE[26894] chan_iax2.c: Avoiding IAX destroy deadlock
Jul  5 15:59:56 NOTICE[26894] chan_iax2.c: Avoiding IAX destroy deadlock


This deadlock continues until the asterisk service is restarted.