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User Manual IP652 V2.0
Copyright © 2012 Flying Voice Technology Limited, All right reserved
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8.5 SIP Account
8.5.1
SIP Settings
8.5.1.1 SIP Parameters
8.5.1.2 NAT Traversal
Webpage
Field Name
Description
NAT Traversal
If or not enable NAT.
IP652 supports STUN traversal, choose “STUN”
in the “NAT Traversal Mode” if you want traverse
NAT/Firewall.
STUN Server
Address
STUN server IP address, default is stun.fwdnet.net
NAT Refresh
Interval (sec)
the interval to refresh
STUN Server
Port
STUN Server Port