-- Executing Dial("SIP/603-08562cb0", "SIP/601") in new stack
-- Called 601
-- SIP/601-085740a0 is ringing
-- SIP/601-085740a0 answered SIP/603-08562cb0
-- Attempting native bridge of SIP/603-08562cb0 and SIP/601-085740a0
603 calls 601. They talk. 601 Transfers 603 to 602.
-- Started music on hold, class 'default', on channel 'SIP/603-08562cb0'
-- Executing Dial("SIP/601-08582a40", "SIP/602") in new stack
-- Called 602
-- SIP/602-08587f80 is ringing
602's phone is ringing, but 603 hears only silence.
-- Stopped music on hold on SIP/603-08562cb0
== Spawn extension (richmond, 601, 1) exited non-zero on 'SIP/601-08582a40<ZOMBIE>'
-- Incoming call: Got SIP response 500 "Internal Server Error" back from 192.168.1.31
-- SIP/602-08587f80 answered SIP/603-08562cb0
602 picks up and now 602 and 603 are able to speak with each other.
-- Attempting native bridge of SIP/603-08562cb0 and SIP/602-08587f80
== Spawn extension (richmond, 602, 1) exited non-zero on 'SIP/603-08562cb0'