-- Executing Dial("SIP/8595-0821a7d8", "dgv/g2/96253032") in new stack
Feb 14 21:09:15 NOTICE[3411]: chan_dgv.c:2926 dgv_request: Asked to get a channel dgv/g2/96253032 using format AST_FORMAT_ULAW:ffWaveULaw
Feb 14 21:09:15 NOTICE[3411]: chan_dgv.c:2942 dgv_request: Group g2
Feb 14 21:09:15 NOTICE[3411]: app_dial.c:1056 dial_exec_full: Unable to create channel of type 'dgv' (cause 17 - User busy)
  == Everyone is busy/congested at this time (1:1/0/0)