9
called in private network.
Stun interface
Stun
Configuration item
Meaning
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 IP 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.
Use Stun
Enable / disable SIP STUN.
Note:
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,