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Field name
STUN NAT
Transverse
STUN Server Addr
STUN Server Port
STUN Effect Time
Local SIP Port
Set Sip Line Enable
STUN
Use STUN
Apply
Notice: SIP STUN is used to realize SIP penetration to NAT. If your phone configures STUN Server
IP and Port (default is 3478), and enable SIP Stun, you can use the ordinary SIP Server to realize
penetration to NAT.
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This functionality offers you more flexible dial rule, you can refer to the following content to know how
to use this dial rule.
When you want to dial an IP address, the entry of IP addresses is very cumbersome, but by this
functionality, you can set number 156 to replace 192.168.1.119 here.
When you want to dial a long distance call to Beijing, you need dial an area code 010 before local
phone number, but you can also dial number 1 instead of 010 after we make a setting according to
this dial rule. For example, you want to dial 01062213123, but you need dial only 162213123 to
realize your long distance call after you make this setting.
Explanation
Shows STUN NAT Transverse estimation, true means STUN can
penetrate NAT, while False means not.
Set your SIP STUN Server IP address
Set your SIP STUN Server Port
Set STUN Effective Time. If NAT server finds that a NAT mapping is
idle after time out, it will release the mapping and the system need send
a STUN packet to keep the mapping effective and alive.
Set the SIP port.
Choose line to set info about SIP, There are 3 lines to choose. You can
switch by using the Load button.
Enable/Disable SIP STUN.
Save the settings.
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