[asterisk-users] RF to IP bridge

[John Treble]

Curt,

Have a look here,
www.app-rpt.qrvc.com
www.qrvc.com/radiocards.html


John Treble
Ottawa, Ontario


> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Curt Shaffer
> Sent: May 31, 2007 7:36 PM
> To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
> Subject: RE: [asterisk-users] RF to IP bridge
> 
> Half duplex is not an issue. Basically the idea is radio over IP. I don't
> want to change the fact that we are using radios. For example, on an
> enterprise level I'm going to be working with a crew to set this up for
> our
> Avaya system. It is basically for emergency communications. Say the fire
> chief is out of town and something major happens. We would like for him to
> be able to call in and hear and interact with the squad on site via the
> radio network from the PSTN or even a cell phone. With
> http://www.twistpair.com/ this is completely possible but that only
> integrates with Avaya or Cisco Call Manager at this time. Not a problem as
> we run Avaya on an Enterprise level but I'm looking for free or cheap
> alternatives.
> 
> Another example and more towards what I am looking at. As a RACES (Radio
> Amateur Civil Emergency Service) member I would like to have a "crash
> cart"
> that would allow instant ability for communications on a range of mediums.
> GSM cards, EVDO, WIFI, and radio communications all from a small box that
> can be very mobile and run on something like a gel cell batteries. The
> ability to bridge between the two would be very useful in cases of
> disperse
> conditions where every RACES member could be offering communications to
> victims outside of net repeaters or have another medium to get back into
> the
> tactical net rather than having to utilize repeaters out of the range of
> the
> net control.
> 
> We have internet controlled repeaters and utilize VoIP on a lot of them
> but
> we are looking for something that can be small, very mobile and offer
> other
> services other than just radio communications.
> 
> And just FYI the ~$200/channel is for the above named software that does
> just what I'm explaining.
> 
> Curt
> 
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Mark
> Coccimiglio
> Sent: Thursday, May 31, 2007 6:11 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] RF to IP bridge
> 
> 
> 
> Per Jessen wrote:
> 
> >Radio-amateurs have done phone-patching for decades (where allowed) -
> >there must be someone who can point you in the direction of an easy
> >solution.
> >
> >
> >/Per Jessen, Zürich
> >
> >
> >
> The BIG problem here is that most Radio Amateur software and hardware
> operate in a half-duplex manner.  I don't think that would be what you
> want.   If half-duplex is ok then most radio makers (Icom, Motorola,
> etc.) have complete turn-key solutions.  If you want it "cheap" then
> your will have to "build it yourself".  I don't see <$200/channel
> happening in either case for VHF/UHF.  Please share more info and maybe
> I can help.
> 
> 
> Mark C  ( N3WHX )
> n3whx at amsat.org
> sip:293625 at fwd.pulver.com  (VoIP)
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