[Allstar Digital] DMR Gateway

[Steve Zingman]

Stephen,
DMRGateway was created with the idea of how do we get audio in and out 
of asterisk without any modifications to asterisk or app_rpt. chan_usrp 
fit the bill perfectly. It provides a simple way to send and receive 
audio (PCM) and the signaling (COS and PTT) needed.

Steve

On 01/28/2016 02:28 PM, Stephen - K1LNX wrote:
> Mike.... this is good stuff, and congrats on your achievement!
>
> I am still largely new to this as you aware, but in the ASCII diagram 
> you provided you mention "DIAL w/ USRP" ... just to clarify, is that 
> the USRP channel driver or a USRP itself, or both? Just trying to get 
> a feel for what might be needed to support this for myself from a 
> hardware standpoint.
>
> 73
> Stephen
> K1LNX
>
>
> On Wed, Jan 27, 2016 at 4:53 PM, Mike Zingman <mike.zingman at gmail.com 
> <mailto:mike.zingman at gmail.com>> wrote:
>
>     Progress has been made.  I finally got a chance to focus back on
>     the return channel of the gateway and it works.  I have had
>     successful QSOs using the new code where:
>
>     Analog Radio <----> DIAL w/ USRP <----> DMRGateway <----> DMRLink
>     <---> TG9998
>
>     This was a full two way path with the DV3000 doing both encode and
>     decode.  ambe_audio.py has been extensively modified to support
>     the return channel and DMRGateway is tasked with the Allstar to
>     DMR linkage.
>
>     This code is not ready for prime time yet (the configuration files
>     need to be updated with additional values, error checking, code
>     cleanup/refactoring) but an Alpha release will be available to all
>     testers soon.
>
>     Once the code is cleaned up all source will be released to allow
>     others to modify/extend.
>
>     I specifically want to thank Cort for his amazing code base. 
>     Without it, there is no way I could have added this
>     functionality.  Open source rocks.  This is so cool, thanks!!!!
>
>     Mike
>
>
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-- 
"Anything is possible if you don't know what you are talking about."
1st Law of Logic

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