[Freeswitch-users] Detecting Forwarding Device Caller ID (Off Topic)

[Max Bridgewater]

Thanks Dave. I'm essentially trying to build a service in one country where
there is no DID provider. If DIDs were available for such countries, that
would have done the job.

Using the two-numbers-per-SIM approach  would help significantly, if I could
only figure out, how to detect the Called Number using AT commands or
Unsolicited Result codes. I was hoping the CLIP code could give me this
information, but I'm still struggling to if it does or not. Any idea?

Max.

On Sun, Oct 18, 2009 at 12:04 PM, David Knell <dave at 3c.co.uk> wrote:

> Hi Max,
>
> Some operators (e.g. Orange in the UK) will allow you to have two
> numbers attached to one SIM, which might get you 4/10ths of the way to
> your goal.
>
> I'm struggling to see why purchasing DIDs won't help, unless your FS box
> has no internet connectivity.  A bit more background on the problem
> might help with finding a solution?
>
> --Dave
>
> > Hey Guys,
> >
> > Pleas help me answer the following question. Sorry for being a bit
> > off-topic.  I have a GSM-VoiP modem with just 4 SIM Cards. Is there a
> > known mechanism that allows me to use this modem for more than 4
> > (albeit not at the same time) GSM numbers?  Let's say the phone
> > numbers of the SIM cards inserted in the modem are call real phone
> > numbers. My goal is to have some 10 additional virtual phone numbers
> > served by this very same modem.
> >
> > One way i thought this could be done is by forwarding the virtual
> > phone numbers the 4 real phone numbers. Then, when somebody calls one
> > of the virtual numbers, the Telco will forward it to the real phone
> > number and it will end on Freeswitch box. My only problem is now that
> > on the Freeswitch box I have no idea what virtual phone number was
> > actually dialed. Any idea how to recover this phone number? I looked
> > at the GSM specification and couldn't find a way.
> >
> > PS. Purchasing DIDs won't solve my underlying problem.
> >
> > Thanks,
> > Max.
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