Re: [splices] Initiate an A/V Call Using Two Separate Devices proposal

["Worley, Dale R (Dale)" <[e-mail]>]

I like the general idea of this, but I'm not fond of the details.

urn:invoke:call:initiate;media=video;target=bob@whatever
seems to mean, "Initiate a call to bob@whatever, adding me as a 3rd-party origin for video".

But I don't see the need for the "media=video" part of the URN, as the controller
will have the opportunity to edit my SDP when it receives it before passing it on.

But the URN urn:invoke:call:initiate;target=bob@whatever would seem to tell
the UAS to initiate a call to bob@whatever, without including the UAC as a 3pcc participant.

urn:invoke:call:initiate;media=video
seems to mean, "Initiate a call to me, offering me your video resources."

But again, there seems to be no reason to specify which media are desired, as the UAC
can reject any offered streams that it doesn't like.

I think we want to avoid having to specify media types in the URNs whenever possible, as they
will be multiplying over time.  How would one specify, "Offer me your audio and text resources?"

Dale