# DTLS Handshake Never Starts - Mediasoup - WhatsApp Business API Integration

**URL:** https://mediasoup.discourse.group/t/dtls-handshake-never-starts-mediasoup-whatsapp-business-api-integration/6902
**Category:** mediasoup libraries
**Created:** [October 30, 2025, 5:51am UTC](https://mediasoup.discourse.group/t/dtls-handshake-never-starts-mediasoup-whatsapp-business-api-integration/6902 "2025-10-30T05:51:35Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![ibc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/ibc/32/1540_2.png) [@ibc](https://mediasoup.discourse.group/u/ibc)
#### Post date: [October 30, 2025, 7:31am UTC](https://mediasoup.discourse.group/t/dtls-handshake-never-starts-mediasoup-whatsapp-business-api-integration/6902/3 "2025-10-30T07:31:03Z")

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> [@WhatsApp Business Calling - WebRTC to Mediasoup](https://mediasoup.discourse.group/t/whatsapp-business-calling-webrtc-to-mediasoup/6779):
>
> Meta has launched a new calling service for businesses, where an SDP offer is sent to the business whenever a user initiates a call from WhatsApp. We currently use a WebRTC calling infrastructure based on mediasoup, but recently discovered that mediasoup does not support sdp-lite, which Meta uses for its SDP offers. I’m looking for guidance on how to bridge this compatibility gap. What are the available options to handle or convert Meta’s sdp-lite offers to work with a mediasoup-based setup? I…

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