Cisco Systems ASA 5585-X Manual De Usuario

class sec_sip

inspect sip phone-proxy mypp

service-policy pp_policy interface data

 lists the release history for this feature.

Cisco Phone Proxy

8.0(4)

The phone proxy feature was introduced. The following 
new commands were introduced. 

cipc security-mode authenticated, clear configure ctl, 
clear configure phone-proxy, cluster-ctl-file, 
cluster-mode nonsecure, ctl-file (global), ctl-file (phone 
proxy), debug phone proxy, disable service-settings, 
media-termination address, phone-proxy, proxy-server, 
record-entry, sast, show phone-proxy, show 
running-config ctl, show running-config phone-proxy, 
timeout secure-phones, tftp-server address.

NAT for the media termination address

8.1(2)

The media-termination address command was changed to 
allow for NAT:

[no] media-termination address ip_address interface 
intf_name

Where the interface inft_name keyword was added. 

The rtp-min-port and rtp-max-ports keywords were 
removed from the command syntax and included as a 
separate command:

rtp-min-port port1 rtp-max-port port2