spare*CLI> sip show history GW15065d942893611b5eb547936aff0f83@202.160.161.42 
spare*CLI> 
  * SIP Call
1. Rx              INVITE / 1 INVITE
2. CancelDestroy   
3. TxResp          SIP/2.0 / 1 INVITE
4. TxResp          SIP/2.0 / 1 INVITE
5. Rx              CANCEL / 1 CANCEL
6. TxRespRel       SIP/2.0 / 1 INVITE
7. TxResp          SIP/2.0 / 1 CANCEL
spare*CLI>