PhilT wrote:
> On 17 Feb, 18:00, "Dave" <m...@me.com> wrote:
>> Hello, What VOIP providers allow spoofing of CID (with an Asterisk Box) ..or
>> any other ideas (without Asterisk !)
>
> I had a similar question asked of me - is it possible to put the CLI
> of the original caller onto a call when forwarded via a SIP
> provider ? From the replies so far the answer looks to be "no" as
> people as concerned about ownership of numbers and pre-authorisation.
> The PABX supplier says they can do it but the outcome depends on the
> service provider.
>
> The situation involved a small PABX taking incoming calls and using an
> IVR menu to offer the calling party a choice of numbers which were
> then called via mobiles (field staff out on the road). The idea of the
> variable CID was to allow the recipient of the forwarded call to have
> a number to call back if for example they lost the mobile signal and
> the call dropped.
>
> Any chance ?
>

There is a detailed write up of this very thing somewhere on the
NerdVittles blog at <http://nerdvittels.com>

When I call forward using a Sipura SPA3000, the caller's CLI remains
intact, by the way, even on calls from the PSTN. (Not call transfer)