Sip - Cisco QuickVPN - PC Administration Manual

Sa 500 series security appliances administration guide
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Firewall Configuration

SIP

STEP 4
SIP
NOTE
STEP 1
STEP 2
STEP 3
Cisco SA 500 Series Security Appliances Administration Guide
MAC Address: Enter the MAC address.
IP Address: Enter the IP address.
Log Dropped Packets: Choose Enable to keep a log of all packets that are
dropped as a result of this security feature. Otherwise, choose Disable.
After you enable the logging, you can view these logs by clicking
NOTE
Status on the menu bar, and then clicking View Log > View All Logs
in the navigation tree.
Click Apply to save your settings, or click Reset to revert to the saved settings.
SIP ALG (Session Initiation Protocol Application-level gateway) can rewrite
information within the SIP messages (SIP headers and SDP body) to make
signaling and audio traffic between the client behind NAT and the SIP endpoint
possible.
SIP-ALG should be enabled when voice devices such as the UC 500 or SIP phones
are connected to the network behind the security appliance.
Click Firewall on the menu bar, and then click SIP in the navigation tree.
The SIP ALG page appears.
Check the box to enable SIP ALG support or uncheck the box to disable this
feature. If this feature is disabled, the router will not allow incoming calls to the UAC
(User Agent Client) behind the router.
Click Apply to save your settings, or click Reset to revert to the saved settings.
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