Cool. Thats what I thought. I'll play around with it. Thanks.
On Wed, Sep 2, 2009 at 9:18 PM, Stefan Sayer <[email protected]>wrote: > Hi, > > o Duane Larson [09/03/09 00:50]: > >> So when I read the explaination of SEMS early_announce it says "(pre-call) >> announcement using early media (183), optionally continues the call in B2BUA >> mode" >> >> Does this mean that when the caller calls the callee, instead of hearing >> the ringing sound while you are waiting for the callee to pick up the caller >> will hear whatever wav file you want them to hear? Is that what >> early_announce does? >> > yes. > > If so what happens if the wav file isn't done playing but the callee picks >> up? Does the wav file get cut off and you are able to talk to the callee? >> > yes. > > early media announcements can be used for various things, for example > custom ring back tone, or telling the cost of a call before the actual call. > > For custom ring back tone, you use the normal mode. At the proxy you add > another branch (forking proxy) and send that to SEMS, and have SEMS play the > RBT as early media which the caller hears while the call is proceeding. When > the callee picks up, the proxy cancels the branch to SEMS, and caller talks > to callee. > > For the other use (pre call announcement), you send the call to SEMS, where > you set continue_b2b=true, which plays a file with the cost of the call, and > then establishes a call in B2BUA mode to the callee. > > For the second use case you could also have sent the call to SEMS, play the > file, and when it is finished catch the reply from SEMS at the proxy, and > then add a new branch to the callee (sequential forking) - iff your proxy is > clever enough to do that. > > Stefan > > >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> Sems mailing list >> [email protected] >> http://lists.iptel.org/mailman/listinfo/sems >> > > -- > Stefan Sayer > VoIP Services > > [email protected] > www.iptego.com > > IPTEGO GmbH > Wittenbergplatz 1 > 10789 Berlin > Germany > > Amtsgericht Charlottenburg, HRB 101010 > Geschaeftsfuehrer: Alexander Hoffmann > -- -- *--*--*--*--*--* Duane *--*--*--*--*--* --
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