he use of 'EXTEN-foo' has been deprecated in favor of 'EXTEN:foo'
    -- Executing Dial("SIP/2001-ba02", "SIP/612@fwd.pulver.com") in new stack
    -- Called 612@fwd.pulver.com
Aug  1 18:08:17 WARNING[-256529488]: chan_sip.c:673 retrans_pkt: Maximum retries exceeded on call 3fc84de32f26e1ef29071a055c89e612@80.229.196.157 for seqno 102 (Critical Request)
  == No one is available to answer at this time
Aug  1 18:08:23 WARNING[-256529488]: chan_sip.c:673 retrans_pkt: Maximum retries exceeded on call 3fc84de32f26e1ef29071a055c89e612