[Serusers] RE: [Serdev] SIP "braodcast"

[Klaus Darilion]

Hi!

This sounds like a pre-configured conference group, where you dial into
a conference, and then the conference server invites all the other
participants. The problem is, that you have to wait until all
participants have accepted the call before you start speaking.

Maybe a nicer solution would be the PoC (PTT over Cellular) Service,
which was recently published by several cell  phones manufacturer. This
service allows you to use SIP/RTP enabled cell phones in a walky-talky
like mode. Info and the specification can be found at:
http://www.ericsson.com/products/product_selector/Inst_Talk_hpsol.shtml

regards,
Klaus


> -----Original Message-----
> From: Olaf Menzel [mailto:menzel at fokus.fhg.de] 
> Sent: Tuesday, November 11, 2003 1:45 PM
> To: Olaf Menzel
> Cc: serdev at lists.iptel.org; serusers at lists.iptel.org; rco at iptel.org
> Subject: [Serdev] SIP "braodcast" 
> 
> 
> 
> Hi Jiri, Jan, Raphael and all other Ser users and developers,
> --------------------------------------------------------------
> 
> as I have already mentioned the demining scenario in our 
> project there is the need of a Voip SIP "broadcast" 
> functionality. This means the resonsable operator should be 
> ready to reach the whole demining group 
> with one call. Because we do not have real braodcast like VHF 
> radio a approach could be the following scenario:
> 
> The operator  will send a SIP invite to all members of his 
> team and when the user ansers the phone call the call will 
> automaticly transfered to a SIP conference. This is what I 
> have discussed with Raphael. What do you think how to realize 
> such a "broadcast" functionality ??
> 
> regards
> 
> 
> Olaf
> 
> 
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