* SIP Call
  Curr. trans. direction:  Incoming
  Call-ID:                000cce74-00110027-2a64e341-4c45db3a@192.168.6.235
  Owner channel ID:       SIP/5738-b782cfa8
  Our Codec Capability:   1036
  Non-Codec Capability (DTMF):   1
  Their Codec Capability:   268
  Joint Codec Capability:   12
  Format:                 0x4 (ulaw)
  MaxCallBR:              384 kbps
  Theoretical Address:    192.168.6.235:5060
  Received Address:       192.168.6.235:51893
  SIP Transfer mode:      open
  NAT Support:            RFC3581
  Audio IP:               192.168.6.9 (local)
  Our Tag:                as2d2bc966
  Their Tag:              000cce7400110080015ddc5c-57933794
  SIP User agent:         CSCO/7
  Username:               5738
  Peername:               5738
  Original uri:           sip:5738@192.168.6.235:5060
  Caller-ID:              5738
  Need Destroy:           0
  Last Message:           Rx: BYE
  Promiscuous Redir:      No
  Route:                  sip:5738@192.168.6.235:5060
  DTMF Mode:              rfc2833
  SIP Options:            (none)