Cisco WRP500 Administration Manual page 23

Chapter 2 Configure Your System for ITSP Interoperability
R E V I E W D R A F T # 1 — C I S C O C O N F I D E N T I A L
Log in as administrator.
Step 1
Under the Voice menu, click SIP.
Step 2
In the NAT Support Parameters section, enter the following settings:
Step 3
Handle VIA received: yes
•
Handle VIA rport: yes
•
Insert VIA received: yes
•
Insert VIA rport: yes
•
• Substitute VIA Addr: yes
• Send Resp To Src Port: yes
• STUN Enable: Choose yes.
STUN Server: Enter the IP address for your STUN server.
•
Under the Voice menu, click Line 1 or Line 2 to choose the line interface that you want to modify.
Step 4
In the NAT Settings section, enter the following settings:
Step 5
NAT Mapping Enable: Choose yes.
•
NAT Keep Alive Enable: Choose yes (optional).
•
IMAGE WILL BE SUPPLIED (SCREENSHOT) - replaces 194556
Note
Step 6 Click Save Settings.
Note
Voice tab > SIP > NAT Support Parameters
IMAGE WILL BE SUPPLIED (SCREENSHOT) - replaces 194557
Your ITSP may require the WRP500 to send NAT keep alive messages to keep the NAT ports
open permanently. Check with your ITSP to determine the requirements.
You also need to configure the firewall settings on your router to allow SIP traffic. See
and SIP," on page 5.
Voice tab > Line N > NAT Settings
Cisco WRP500 Administration Guide
Configure NAT Mapping
"Firewalls
2-3