[Asterisk-Users] *, NAT & STUN

[Karl Brose]

This message does not indicate major trouble.
It simply means that the STUN protocol is not using message integrity 
generation/checking
which is a "checksum" method using HMAC hashes.
STUN works ok without it.


muralikrishnan lakshmanan wrote:

>  
>Hi friends
>
> I have some doubt in connecting my firefly3rd party softphone from windows machine to asterisk server in linux .
>
> My asterisk is behind the "Port Restricted NAT". I am using STUN server to cross the firewall. 
>
> My STUN server is running in Linux machine.
>
> When my firefly3rd party softphone sends udp packets to asterisk server machine the STUN server displays message like 
>"Binding Request Doesn't contain Message Integrity"
>
>Is there anyone faced problem like this.
>
>Give your suggestion regard above issue.
>
>
>                   Thanks in Advance
>
>regards
>Murali 
>
>Muralikrishnan L
>Software Engineer Trainee
>Calsoft-Elnet Software City
>Taramani
>  
>