# Webrtcbin generating invalid answer

**URL:** <https://discourse.gstreamer.org/t/webrtcbin-generating-invalid-answer/4441>\
**Category:** General Discussion\
**Created:** [April 7, 2025, 7:26pm UTC](https://discourse.gstreamer.org/t/webrtcbin-generating-invalid-answer/4441 "2025-04-07T19:26:36Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![ystreet00](https://discourse.gstreamer.org/letter_avatar_proxy/v4/letter/y/3d9bf3/32.png) [@ystreet00](https://discourse.gstreamer.org/u/ystreet00)\
**Post date:** [April 9, 2025, 10:13pm UTC](https://discourse.gstreamer.org/t/webrtcbin-generating-invalid-answer/4441/13 "2025-04-09T22:13:23Z")

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I didn’t say anything about invalid. Just that webrtcbin doesn’t support that offer construction (a bundle group that does not contain all mlines).

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_[View the full topic](https://discourse.gstreamer.org/t/webrtcbin-generating-invalid-answer/4441)._