User manual

AT-640P User Manual
ATCOM TECHNOLOGY CO. , LIMITED
4.7.
4.7.
4.7.
4.7. Stun
Stun
Stun
Stun
 STUN NAT Transverse ： STUN NAT Transverse status true or false.

STUN Server Addr: configure stun server address.

STUN Server Port: configure stun server port default 3478.

STUN Effect Time: stun detect NAT type interval time .If NAT found a link
inactive for a certain time , it will close the link so you need to send a packet
within a interval tome to keep the link alive.
 Local SIP Port: config local SIP port , default as 5060Use Stun ： enable/disable
SIP STUN.
Attention ：
SIP STUN is used for NAT transverse. When you config STUN server ’ s address
and port (default 3478) and enable it, then you can use the normal SIP server
to make the IP phone transverse NAT.