non- numeric, this number can be used to replace the echo test

 

text. This allows dialing a number to perform an echo voice test.

 

This function is provided to test whether communication through

 

the server.

 

 

Echo Test Text

Echo test text

 

 

Refresh Time

Expiration time of IAX2 server registration. Allowed values are

 

between 60 and 3600 seconds.

 

 

Enable Registration

Enable/Disable IAX2 registration.

 

 

Enable G.729AB

Enable/Disable G.729 codec.

 

 

8.3.3.3STUN 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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Cortelco C62 user manual Stun Config