"Jono" <> wrote in message
news:. ..
> PhilT laid this down on his screen :
>> Rob Walker wrote:
>>> I have an account with Sipgate and a Grandstream BT-102 phone. It all
>>> works
>>> fine except that when people call me they don't hear a ringing tone (the
>>> BT-102 rings fine). I've tried forwarding ports and it doesn't seem to
>>> have
>>> made any difference.
>>
>> where are they calling from - the issue is unlikely to be at your end
>> its either the service provider - Sipgate - or the callers end.
>>
>> Sipgates' platform seems to regard ringing tone as an optional feature
>> 
>>
>> Phil
>
> I was under the impression that it would be the OP's hardware that
> provides ringing tone to the caller....?
>
>
No, it is usually the exchange that provides the ringing tone. In this case,
the exchange is whatever the caller is connected to (pabx, local exchange,
ATA adaptor)