Re: [MMUSIC] Connection Data Capability (ccap) and IP-addresses (draft-ietf-mmusic-sdp-miscellaneous-caps-04)

Hadriel Kaplan <HKaplan@acmepacket.com> Sun, 24 March 2013 17:03 UTC

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From: Hadriel Kaplan <HKaplan@acmepacket.com>
To: Andrew Allen <aallen@blackberry.com>
Thread-Topic: [MMUSIC] Connection Data Capability (ccap) and IP-addresses (draft-ietf-mmusic-sdp-miscellaneous-caps-04)
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Date: Sun, 24 Mar 2013 17:03:29 +0000
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Cc: "mmusic@ietf.org \(E-mail\)" <mmusic@ietf.org>
Subject: Re: [MMUSIC] Connection Data Capability (ccap) and IP-addresses (draft-ietf-mmusic-sdp-miscellaneous-caps-04)
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On Mar 22, 2013, at 1:35 AM, Andrew Allen <aallen@blackberry.com> wrote:

> CCAP is currently only used by 3GPP to allow the UA to choose between PS and CS for a terminating call at call setup when the UA has the possibility to use either PS or CS for the call.
> 
> Mid call Handover PS to CS and CS to PS uses other techniques and does not involve use of CCAP.


Then it sounds to me like 3GPP only needs ccap to indicate PSTN; it does not need to indicate an IP Address, as the c= line can do that.
Yes?

-hadriel