[asterisk-users] How to limit extension to allow only internal calls

[Steve Edwards]

On Sun, 1 Jun 2008, DEVEL STAROSTA wrote:

> I'm playing with asterisk and I try to make system for my sister hotel
> with aprox. 40 extensions (30 rooms, 1 reception, 2 office, 4 services
> phones on each floor). I.ve installed latest version of trixbox (for
> GUI) but I made manual modifications.
> This is actual server:
> - n.1 Pci card with 2 x FXO + 2 x FXS
> - n. 2 Trunk to outside (my local Voip provider + 1 PSTN)
> I've buyed also 50 telephones from ATCOM (IP530), make all
> configurations and now seems all work fine, I can make calls (outside,
> inside) make transfer, ecc.
>
> My problem:
> I have 4 services phones (each per floor) which must be able to make
> only internal calls (not external - no PSTN nor VOiP provider), I've
> just look about solution in Google, mailing list, I can't find solution,
> please can someone give me an idea ?
> NB: sorry for my english ... ;)

One option would be to reference a more restricted context in sip.conf for 
these phones.

Thanks in advance,
------------------------------------------------------------------------
Steve Edwards      sedwards at sedwards.com      Voice: +1-760-468-3867 PST
Newline                                             Fax: +1-760-731-3000