[asterisk-users] More than one route to a destination

[Sammy Govind]

Hi,

> Can I use 2 SIP Trunks from each remote offices to the central site
> and permit 2 simultaneous calls across the SIP trunk that passes over
> the smaller line, and permit 10 simultaneous calls across the larger
> link?

Yes.

> I also wish to have priorities, so that more important calls are sent
> over the smaller link (but more reliable) and the larger link used for
> less important calls.

1- find out the criteria for Imp calls and write dialplan to use the
reliable link and use other SIP trunk otherwise.

>  Can you do this priority based on the user ID of the caller?

Yes. For any outbound call see who is the caller and if CALLERID(num)
matches use desired link.

If a user with a SIP client starts off in remote office1, and then
> moves to remote office4, can then keep the same phone number?

 AFAIK, you need to use DUNDI between the Asterisk Servers on top of SIP
trunks. Once DUNDI is setup your users can move between offices and have
just one extension.

Regards,
Sammy

On Tue, Nov 15, 2011 at 8:12 PM, James Courtier-Dutton <
james.dutton at gmail.com> wrote:

> Hi,
>
> I have a setup with 5 remote offices, each having a Asterisk PBX.
> I then have a central office, also with an Asterisk PBX.
> The remote offices have 2 links to the central office, a large link,
> and a smaller, but more reliable link.
> Unfortunately, using IAX is not an option for me.
> Can I use 2 SIP Trunks from each remote offices to the central site
> and permit 2 simultaneous calls across the SIP trunk that passes over
> the smaller line, and permit 10 simultaneous calls across the larger
> link?
> I also wish to have priorities, so that more important calls are sent
> over the smaller link (but more reliable) and the larger link used for
> less important calls.
> Can you do this priority based on the user ID of the caller?
>
> Another question:
> If a user with a SIP client starts off in remote office1, and then
> moves to remote office4, can then keep the same phone number?
>
> Kind Regards
>
> James
>
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