ast*CLI> 
Nov  9 17:43:47 NOTICE[2661]: res_musiconhold.c:309 monmp3thread: Request to schedule in the past?!?!
    -- Executing Dial("SIP/712-79ad", "SIP/14024645971@isphone|30") in new stack
    -- Called 14024645971@isphone
    -- SIP/isphone-4dcf is making progress passing it to SIP/712-79ad
    -- SIP/isphone-4dcf is ringing
Nov  9 17:43:51 NOTICE[2661]: chan_sip.c:2792 process_sdp: No compatible codecs!
Nov  9 17:43:52 NOTICE[2661]: rtp.c:298 process_rfc3389: RFC3389 support incomplete.  Turn off on client if possible
    -- SIP/isphone-4dcf answered SIP/712-79ad
    -- Attempting native bridge of SIP/712-79ad and SIP/isphone-4dcf
  == Spawn extension (default, 14024645971, 1) exited non-zero on 'SIP/712-79ad'
ast*CLI>