ast*CLI> 
    -- Attempting call on SIP/14024645971@iphone for application DIAL(SIP/202.160.161.95) (Retry 1)
Sep 28 15:35:11 WARNING[1337]: chan_sip.c:695 retrans_pkt: Maximum retries exceeded on call 0859d7eb4b933ad861c342b941a91c95@202.160.161.42 for seqno 102 (Critical Request)
Sep 28 15:35:11 NOTICE[1337]: pbx_spool.c:229 attempt_thread: Call failed to go through, reason 1
ast*CLI>