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Re: [MMUSIC] Mirja Kühlewind's Discuss on draft-ietf-mmusic-sctp-sdp-23: (with DISCUSS)

Christer Holmberg <christer.holmberg@ericsson.com> Mon, 27 February 2017 13:07 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: "Mirja Kuehlewind (IETF)" <ietf@kuehlewind.net>, Roman Shpount <rshpount@turbobridge.com>
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Date: Mon, 27 Feb 2017 13:06:00 +0000
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Subject: Re: [MMUSIC] =?iso-8859-1?q?Mirja_K=FChlewind=27s_Discuss_on_draft-ie?= =?iso-8859-1?q?tf-mmusic-sctp-sdp-23=3A_=28with_DISCUSS=29?=
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Hi,

...

>Also I¹m not sure if the ICE part is fully specified. In your previously
>mail you wrote
>
>"As far as TCP/DTLS/SCTP transport tag is concerned, please note that ICE
>end points are supposed to send a re-INVITE after nomination process is
>completed with the selected candidate address in the m= line. So, if tcp
>candidate is selected, re-INVITE must be sent with TCP/DTLS/SCTP
>transport tag in the m= line. Also, any offers/answers after the ICE
>nomination is complete, are supposed to send the currently selected
>candidate in the m= line, which will also be TCP/DTLS/SCTP in case tcp
>candidate is selected.³
>
>From what I understood from ekr, you might not in any case send an
>re-invite; but maybe I understood this wrongly. I guess that could also
>be further explained in the draft.

Ekr was talking about the specific re-INVITE that is sent directly after
ICE nomination. *Other* re-INVITEs can always be sent during the session.
But, that is not specific to this draft.

Regards,

Christer

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