SVP2000PP Business POE IP Phone User Manual
STEPHEN TECHNOLOGIES CO.,LIMITED
/ 5/F, Building NO.1, TongXin Industry Zone, HengGang, LongGang, Shenzhen, G.D, China, 518115
Tel: +86 755 89352606 /Fax:+86 755 89352612 / Email: [email protected] / Url: www.stephen-tele.com
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STUN
Field name
explanation
STUN NAT Transverse
Shows STUN NAT Transverse estimation, true means STUN can penetrate NAT, while False
means not.
STUN Server Addr
Set your SIP STUN Server IP address
STUN Server Port
Set your SIP STUN Server Port
STUN Effect Time
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.
Local SIP Port
Set the SIP port.
Choose line to set info about SIP, There are 3 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.
4.3.3.4. DIAL PEER setting