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[rtcweb] BUNDLE: Disallowing moving an m- section between BUNDLE groups within a single SDP offer

Christer Holmberg <christer.holmberg@ericsson.com> Sat, 18 November 2017 05:40 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: mmusic <mmusic@ietf.org>
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Thread-Topic: BUNDLE: Disallowing moving an m- section between BUNDLE groups within a single SDP offer
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Date: Sat, 18 Nov 2017 05:40:22 +0000
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Subject: [rtcweb] BUNDLE: Disallowing moving an m- section between BUNDLE groups within a single SDP offer
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(CC:ing RTCWEB, but please reply on the MMUSIC list)

Hi,

Would anyone object to not allowing moving m- sections between BUNDLE groups within a single O/A transaction? The documentation of that is a little more complicated than I thought, and there is a risk the text becomes more confusing than it already is.

Note, that one could still send an offer where an m- section is moved out of a BUNDLE group, and then send another offer where the m- line is added to another BUNDLE group (following the normal procedures for adding an m- section to a BUNDLE group). But, one would not be allowed to remove and add within the same offer.

Regards,

Christer

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