WebRTC to SIP (gateway)

[Venkatesh Allamkam]

Dear Experts,

                   Can anybody suggest me on how to make sip audio call from browser to other end point (mobile/sip client but not browser) through SIP server..? We have developed server using websockets and all the communication from browsers will go to server through web sockets..

Once Offer receives to server, server is responding with "Answer:" and same applies to candidate events also..

But interesting point is once how to transmit media which is audio data..  Also seeing some STUN messages flowing and only binding requests i can see in the packet analyzer. 

1) Do i need to send dummy response for STUN message to see media flowing.?

2) Is it really need to do STUN authenication and can't be removed.?

3) Please help to suggest how to transmit media from my server to browser back and forth.?

Kindly help me to point to right directions.. thanks in advance..

Thanks

Venkatesh

[Alexandre GOUAILLARD]

1) Do i need to send dummy response for STUN message to see media flowing.?

You should not send fake STUN answer.

 

2) Is it really need to do STUN authenication and can't be removed.?

ICE is mandatory, STUN is not. It is very likely that it would not connect without STUN though, unless you have all peers on a public IP.

 

3) Please help to suggest how to transmit media from my server to browser back and forth.?

Implement webrtc support in your server/gateway:

- ICE

- DTLS

- SCTP

- webRTC codecs of your choice.

 

Kindly help me to point to right directions.. thanks in advance..

Many open source projects do that. You could start for example by a look at Doubango Telecom's webrtc2sip.

 

Thanks

Venkatesh

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Alex. Gouaillard, PhD, PhD, MBA

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Principal Architect - Citrix, San Francisco

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[Lorenzo Miniero]

You may want to have a look at the SIP module of our WebRTC gateway as well, there's a demo online you can play with:

https://janus.conf.meetecho.com/siptest

L.

[loadmul...@gmail.com]

You may like to take a look at Multiplier tool (free version) at https://loadmultiplier.com

kamal