Registration Failure Retry Time
Registration failure retry time – If registration fails, the phone will attempt to register again after registration failure retry time.
This will affect all lines
5.3.3.2STUN Config
STUN support is configured in this page.
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 phone 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.
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