-- Executing Dial("SIP/1216-09cc41b8", "SIP/17607410281@PCSI") in new stack
    -- Called 17607410281@PCSI
  == Spawn extension (from-internal, 0917606302971, 5) exited non-zero on 'SIP/1204-09e3f1a8'
Oct  6 10:52:44 ERROR[3653]: chan_sip.c:11507 sipsock_read: We could NOT get the channel lock for SIP/1216-09cf4f68 - Call ID YWFlNzcyN2IzNjFiYmIwYTY4MTAzZjMwNmE4NTEzOTM.! 
Oct  6 10:52:44 ERROR[3653]: chan_sip.c:11508 sipsock_read: SIP MESSAGE JUST IGNORED: CANCEL 
Oct  6 10:52:44 ERROR[3653]: chan_sip.c:11509 sipsock_read: BAD! BAD! BAD!
    -- SIP/PCSI-09e8b278 is making progress passing it to SIP/1216-09cc41b8
  == Parsing '/etc/asterisk/manager.conf': Found
  == Manager 'munin' logged on from 127.0.0.1