8.3.3.4 Basic Settings
STUN – Simple Traversal of UDP through NAT –A STUN server allows a phone in a private
network to know its public IP and port as well as the type of NAT being used. The equipment can
then use this information to register itself to a SIP server so that it can make and receive calls
while in a private network.
Basic Settings
Field Name Explanation
SIP Settings
Local SIP Port Set the local SIP port used to send/receive SIP messages.
Registration Failure
Retry Interval
Set the retry interval of SIP REGISTRATION when registration failed.
STUN Settings
Server Address STUN Server IP address
Server Port STUN Server Port – Default is 3478.