BSNL VoIP in Kerala: 500 error

[xibinx]

@Raptorx did you get the VOIP to work?

 

[xibinx]

I am also having issues configuring VOIP on this device. It gives me error 408 most of the time but also keeps working fine every once in a while. Did you fiddle around with anything other than Voice like Firewall or something to get it to successfully ping the registrar server.

 

[Raptorx]

No not yet. Didnt get time