PhilT laid this down on his screen :[color=blue]
> Rob Walker wrote:[color=green]
>> 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.[/color]
>
> 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[/color]

I was under the impression that it would be the OP's hardware that
provides ringing tone to the caller....?