Cisco WRP400-G1 Administration Guide - Page 26

Send Resp To Src Port, NAT Keep Alive Enable

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Configuring Your System for ITSP Interoperability Configuring NAT Mapping • 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. Voice tab > SIP > NAT Support Parameters 2 STEP 4 Under the Voice menu, click Line 1 or Line 2 to choose the line interface that you want to modify. STEP 5 In the NAT Settings section, enter the following settings: • NAT Mapping Enable: Choose yes. • NAT Keep Alive Enable: Choose yes (optional). Voice tab > Line N > NAT Settings NOTE Your ITSP may require the WRP400 to send NAT keep alive messages to keep the NAT ports open permanently. Check with your ITSP to determine the requirements. Cisco Small Business WRP400 Administration Guide 24

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Configuring Your System for ITSP Interoperability
Configuring NAT Mapping
Cisco Small Business WRP400 Administration Guide
24
2
•
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.
Voice tab > SIP > NAT Support Parameters
STEP 4
Under the
Voice
menu, click
Line 1
or
Line 2
to choose the line interface that you
want to modify.
STEP 5
In the
NAT Settings
section, enter the following settings:
•
NAT Mapping Enable:
Choose
yes
.
•
NAT Keep Alive Enable:
Choose
yes
(optional).
Voice tab > Line N > NAT Settings
NOTE
Your ITSP may require the WRP400 to send NAT keep alive messages to
keep the NAT ports open permanently. Check with your ITSP to determine
the requirements.