Hi,
Here is a link explaining the function for the SIP inspection:
http://www.cisco.com/univercd/cc/td/doc/product/multisec/asa_sw/v_7_2/conf_g
d/firewall/inspect.htm#wp1204403
And here is how to configure modular policy:
http://www.cisco.com/univercd/cc/td/doc/product/multisec/asa_sw/v_7_2/conf_g
d/firewall/mpc.htm
Example for that if you want to enable sip inspection for traffic between 10.0.0.0 and
192.168.0.0 networks, below is a sample configuration.
********************************************
access-list inspection permit ip 10.0.0.0 255.0.0.0 192.168.1.0 255.255.255.0
class-map sip_inspect
match access-list inspection
exit
policy-map mypolicy
class sip_inspect
inspect sip
exit
exit
service-policy mypolicy global
********************************************
Regards,
Arul
*Pls rate if it helps*