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.
SIP Waiting Time
Specify the sip wait stun time; you can input the
time depended on your network condition.
Sip Line Using STUN
Choose line to set info about SIP, There are 2 lines to choose. You can switch
by
【
Load
】
button.
Use STUN
Enable/Disable SIP STUN.
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.
7.3.1.13
DIAL PEER
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.
To save the memory and avoid abundant input of user, add the follow functions:
