(шлюз при этом "не снимает трубку") то должно получиться ...
не помогло...
-- Attempting call on Local/9924162@auto-dialout/n for PLAY@auto-dialout:1 (Retry 1)
-- Executing [9924162@auto-dialout:1] Dial("Local/9924162@auto-dialout-8804,2", "SIP/62077/(924162|20|rT") in new stack
-- Called 62077/(924162|20|rT
-- SIP/62077-095e25d0 answered Local/9924162@auto-dialout-8804,2
-- Executing [PLAY@auto-dialout:1] Playback("Local/9924162@auto-dialout-8804,1", "Sound1") in new stack
-- <Local/9924162@auto-dialout-8804,1> Playing 'Sound1' (language 'en')
== Auto fallthrough, channel 'Local/9924162@auto-dialout-8804,1' status is 'UNKNOWN'
[Jun 29 14:20:27] NOTICE[6337]: pbx_spool.c:351 attempt_thread: Call completed to Local/9924162@auto-dialout/n