Cisco 7604 Configuration Manual page 500

SIP Inspection
Figure 22-14
In Figure
200 OK is not received for the CANCEL SIP message, the media connection is cleared after the timeout
sip-disconnect occurs.
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM
22-84
Media Connection Clear on CANCEL Message
Firewall Service Module
UAC
INVITE
100 Trying
180 ringing with SDP
CANCEL
200 OK
CONN entry deletes on receipt
of 200 OK or after SIP disconnect
timer expires, whichever is earlier.
22-14, the media connection is cleared after 200 OK is received for the CANCEL message. If
Chapter 22
(FWSM)
Media CONN entry
generate on FWSM
Media CONN entry
existing time
Applying Application Layer Protocol Inspection
UAC
OL-20748-01