Re-posted with correct TAG... Outlook!

Not quite the first...
I used to work for a company years ago doing this.  All their phones have a
walkie-talkie function over the GSM network.

Check out http://www.maximonsolutions.com/dolphin.html



 Brian.

> -----Original Message-----
> > From: pic microcontroller discussion list
> > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Russell McMahon
> > Sent: 05 January 2004 10:21
> > To: PICLIST@MITVMA.MIT.EDU
> > Subject: [EE:] Worlds first walkie-talkie GSM handset
> >
> >
> > The next big thing in cellular telephony ?????????
> >
> > Walkie Talkie function on GSM cellphone using GPRS data channel
> > independent
> > of telephony function per se.
> >
> > Uses Symbian O/S. Nokia say ALL their phones will have this
> walkie talkie
> > feature by 2005. Allows instant coms to selected individuals OR
> group and
> > (in NZ anyway) costs are per data (time sending) used (assuming
> > GPRS pricing
> > applies).
> >
> >  http://www.cellular-news.com/story/10106.shtml
> >
> >     Also
> >
> >         http://www.theregister.co.uk/content/68/33956.html
> >
> >
> > This transatlantic example shows that the heading above is wrong
> >
> >         http://www.infosyncworld.com/news/n/2941.html
> >
> > As does this
> > Fast Chat. US
> > Mentions Siemens, Samsung and Sendo are producing Symbian handsets.
> >
> >         http://www.3g.co.uk/PR/May2003/5355.htm
> >
> > Siemens "PoC"  (Push-to-Talk over cellular)
> > " ... will be a big hit in 2004".
> > PoC on entire Siemens range by mid 2004
> > (not what they say further down)
> >
> >     http://www.3g.co.uk/PR/Dec2003/6254.htm
> >
> >
> >
> >         Russell McMahon
> >
> > --
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