"Jono" <nothanks@blueyonder.invalid> wrote in message
news:mn.9d727d796ec516b1.48968@blueyonder.invalid. ..
> Mark formulated the question :
>> On Fri, 14 Sep 2007 16:41:51 GMT, "harrogate3"
>> <nospam3@ntlworld.com>
>> wrote:
>>
>>> I have an application where I need to be able to send audio from A
>>> to
>>> B about 40 miles apart. There is no audio circuit between the
>>> sites
>>> but there is a (fairly) high capacity data circuit.
>>>
>>> Does anyone know if there is a simple and inexpensive interface
>>> box on
>>> the lines of an ATA that can talk to another box of the same type
>>> over
>>> the data circuit usingVOIP-type operation? Ideally I could do with
>>> it
>>> being four-wire presentation - that is seperate 600R go and return
>>> audio at each end - but two-wire presentation will do at a push.
>>>
>>> Any help gratefully received.
>>
>> Slingbox?
>
> Interesting thought, though it's not duplex & requires a software
> client to be running.
>
>
>

A colleague put me onto exactly what I need.

http://www.toneremote.co.uk/trip.htm

I should have thought to ask - I used to work with the guy who owns
the company!

£675 apiece (two needed) but in the professional business this is not
expensive, especially when compared against the cost of a 80Km
landline!


--
Woody

harrogate3 at ntlworld dot com