falcon*CLI> sip show channels
Peer             User/ANR    Call ID      Seq (Tx/Rx)  Format           Hold     Last Message   
198.65.166.131   hans_fugal  79fdefdc207  00102/00102  0x80002 (gsm|h2  No       Rx: ACK                   
72.21.36.138     8168063672  783386c43e2  00101/00102  0x4 (ulaw)       No       Rx: INVITE                
198.65.166.131   hans_fugal  38e0e1483b6  00103/00103  0x0 (nothing)    No  (d)  Rx: BYE                   
198.65.166.131   hans_fugal  3ccf5f556be  00103/00103  0x0 (nothing)    No  (d)  Rx: BYE                   
198.65.166.131   hans_fugal  748b619c614  00103/00103  0x0 (nothing)    No  (d)  Rx: BYE                   
198.65.166.131   hans_fugal  4190252f013  00103/00103  0x0 (nothing)    No  (d)  Rx: BYE                   
6 active SIP channels
falcon*CLI> sip show history 78
falcon*CLI> 
  * SIP Call
1. Rx              INVITE / 102 INVITE / sip:gizmo@fugal.net
2. NewChan         Channel SIP/jaredsmith.net-081e8228 - from 783386c43e2a08fe232a
3. TxResp          SIP/2.0 / 102 INVITE - 100 Trying
4. TxResp          SIP/2.0 / 102 INVITE - 183 Session Progress
falcon*CLI> sip show history 79
falcon*CLI> 
  * SIP Call
1. NewChan         Channel SIP/gizmo-081faa58 - from 79fdefdc207949cd0c90aa8d35776
2. TxReqRel        INVITE / 102 INVITE - -UNKNOWN-
3. Rx              SIP/2.0 / 102 INVITE / 100 trying -- your call is important to 
4. Rx              INVITE / 102 INVITE / sip:s@216.31.27.106
5. TxResp          SIP/2.0 / 102 INVITE - 482 Loop Detected
6. SchedDestroy    32000 ms
7. Rx              ACK / 102 ACK / sip:s@216.31.27.106
8. ReliableXmit    timeout