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Cisco ASA 5500 Series Configuration Guide using ASDM
OL-20339-01
Chapter 43 Configuring the Cisco Phone Proxy
Feature History for the Phone Proxy
The configuration of each brand/model of firewall/router is different, but the task is the same. For
specific instructions for your brand and model of router, please contact the manufacturer’s website.
Linksys Routers
Step 1 From your web browser, connect to the router administrative web page. For Linksys, this is typically
something like
http://192.168.1.1.
Step 2 Click Applications & Gaming or the Port Forwarding tab (whichever is present on your router).
Step 3 Locate the table containing the port forwarding data and add an entry containing the following values:
Step 4 Click Save Settings. Port forwarding is configured.
Feature History for the Phone Proxy
Table 43-3 lists the release history for this feature.
Table 43-2 Port Forwarding Values to Add to Router
Application Start End Protocol IP Address Enabled
IP phone 1024 65535 UDP Phone IP address Checked
TFTP 69 69 UDP Phone IP address Checked
Table 43-3 Feature History for Cisco Phone Proxy
Feature Name Releases Feature Information
Cisco Phone Proxy 8.0(4) The phone proxy feature was introduced. The Phone Proxy
feature was accessible in ASDM by choosing the following
options:
Configuration > Firewall > Advanced > Encrypted Traffic
Inspection > Phone Proxy pane
NAT for the media termination address 8.1(2) The Media Termination fields were removed from the
Phone Proxy pane and added to the Media Termination
pane:
Configuration > Firewall > Advanced > Encrypted Traffic
Inspection > Media Termination Address pane
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