Ivor Jones explained on 01/03/2008 :
> "Oldie" <realoldie@googlemail.com> wrote in message
> news:realoldie-6DD535.13520801032008@news.motzarella.org
>
> [snip]
>
>>> I seem to recall that when I had an IPKall DID there
>>> was some issue about it not forwarding calls if they
>>> didn't present caller id. Has that problem been
>>> overcome?
>
> No idea. I get all the calls from the people I want to get calls from.
> Although their numbers show up in a format which is useless for returning the
> call as it strips the international prefix. For example when I get a call
> from my friend in Phoenix, her number comes up as 480xxxxxxx without 001 at
> the start so I can't use the CLID to return the call.
>

Can't the Fritz!Box be told to prepend 001 to the number before
displaying it on the phone?....or couldn't you set a dialplan that
would allow you to dial 480xxxxxxx as is?