Why would there be a 68 second delay in a call, based on the following log:

Dec 12 13:10:18 VERBOSE[24751] logger.c:     -- Executing Queue("IAX2/VG-????-???-25", "2102|t||") in new stack
Dec 12 13:10:18 VERBOSE[24751] logger.c:     -- Started music on hold, class 'default', on channel 'IAX2/VG-????-???-25'
Dec 12 13:10:18 DEBUG[24751] channel.c: Scheduling timer at 160 sample intervals
Dec 12 13:10:18 DEBUG[24751] channel.c: Generator got voice, switching to phase locked mode
Dec 12 13:10:18 DEBUG[24751] channel.c: Scheduling timer at 0 sample intervals
Dec 12 13:11:26 VERBOSE[24751] logger.c:     -- Called Local/1003@from-internal
Dec 12 13:11:27 VERBOSE[24751] logger.c:     -- Local/1003@from-internal-9f42,1 is ringing
Dec 12 13:11:29 DEBUG[24751] app_queue.c: Dunno what to do with control type -1
Dec 12 13:11:29 VERBOSE[24751] logger.c:     -- Local/1003@from-internal-9f42,1 answered IAX2/VG-????-???-25
Dec 12 13:11:29 VERBOSE[24751] logger.c:     -- Stopped music on hold on IAX2/VG-????-???-25