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JSEP/WebRTC mismatch on empty remote MID #698

burnburn opened this Issue Jun 9, 2016 · 3 comments


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burnburn commented Jun 9, 2016

In the description for the mid attribute of RTCRtpTransceiver it says "If there is no MID value in the remote SDP, and no MID value was previously assigned, a random value will be created for the mid as described in [JSEP] (section when the remote SDP is set".
The text in that section of JSEP ( doesn't talk about assignment of a random value.


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stefhak commented Jun 9, 2016

Related to #578


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adam-be commented Sep 15, 2016

I can't seem to find any text in JSEP about generating an mid. I did however find the text below in the section about generating an initial answer.

Each m= section MUST include the following:

  • If and only if present in the offer, an "a=mid" line, as specified in [RFC5888], Section 9.1. The "mid" > value MUST match that specified in the offer.

I'll bring this up in JSEP


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alvestrand commented Oct 6, 2016

Not yet linked to a released JSEP's section number. Leaving open.

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