# SIP integration

**URL:** <https://openvidu.discourse.group/t/sip-integration/3269>\
**Category:** How to implement?\
**Tags:** v2\
**Created:** [July 29, 2021, 3:31pm UTC](https://openvidu.discourse.group/t/sip-integration/3269 "2021-07-29T15:31:45Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![rubenis](https://avatars.discourse-cdn.com/v4/letter/r/ba8739/32.png) [@rubenis](https://openvidu.discourse.group/u/rubenis)\
**Post date:** [July 29, 2021, 3:31pm UTC](https://openvidu.discourse.group/t/sip-integration/3269/1 "2021-07-29T15:31:45Z")

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Hello

I would like to know how to integrate with SIP (PSTN/IMS), avodiding the need of a WebRTC GW license cost and extra development.

In this architectural diagram it is suggested we can have SIP signalling integrated:  
[https://www.kurento.org/kurento-architecture](https://www.kurento.org/kurento-architecture)

Could someone elaborate on this topic?

BR  
Ruben

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**Author:** ![micael.gallego](https://yyz2.discourse-cdn.com/free1/user_avatar/openvidu.discourse.group/micael.gallego/32/2_2.png) [@micael.gallego](https://openvidu.discourse.group/u/micael.gallego)\
**Post date:** [July 29, 2021, 5:37pm UTC](https://openvidu.discourse.group/t/sip-integration/3269/2 "2021-07-29T17:37:12Z")

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OpenVidu team can provide you a commercial module to integrate SIP with OpenVidu. If you want more information please write an email to [commercial@openvidu.io](mailto:commercial@openvidu.io). It is compatible with any OpenVidu edition.

Also you can implement your own SIP-integration. Basically you need to implement a gateway to convert SIP signaling to OpenVidu signaling ([OpenVidu Docs](https://docs.openvidu.io/en/2.19.0/developing/rpc/)). Also you will need to convert plain RTP comming from SIP call to webrtc. This can be done using Kurento.

Best regards