[A*UG] PRI and line sharing

[Brett Nemeroff]

Actually, the issue still remains even if there is only one server, unless
you are using canreinvite which honestly I wouldn't recommend given the
possibility of station to station routing between public and private IP
address phones.

So PRI goes to Server A, then RTP leaves Server A to Site B. You still use
bandwidth at both sites for each call.

-Brett

On Wed, Jul 29, 2009 at 1:07 AM, Benjamin Hudgens <bhudgens at photodex.com>wrote:

> Hey Jim --
>
> I got the impression it was the same system serving both offices? Ie, one
> server managing one PRI, feeding both locations?
>
> Quite possibly I missed something...?
>
> Cheers,
> Benjamin
>
> ------------------------------
>  *From*: austin-asterisk-users-group-bounces at bybent.com
> *To*: Jim Freeze
> *Cc*: austin-asterisk-users-group at bybent.com
> *Sent*: Tue Jul 28 23:42:57 2009
> *Subject*: Re: [A*UG] PRI and line sharing
>
> Jim,In general, any resource can be shared between servers. However you
> need to consider the impact it will have on the bandwidth.
>
> So if server A has the PRI, but server B has the phones, the calls go from
> the provider INTO Server A, then OUT of Server A (doubling the bandwidth
> usage at that site) then INTO Server B.
>
> It's done for inbound calls much in the same way you do it for outbound
> calls. For inbound calls you simply dial the other server (so you'll need a
> sip/iax connection between the two servers)
>
> With more modern systems, you don't normally have to worry about hunt
> groups and such. Unless of course you actually have analog hunt groups. If
> you do, the same applies, but you need some way to identify which inbound
> call is for which server. For analog lines, this is usually either done by
> an IVR prompting the user like "Push 1 for sales, push 2 for support" where
> sales could be local, but support may be Server B. Or you have to create
> separate hunt groups for each Server.
>
> I'm not sure if that helps or confuses things. ;)
> -Brett
>
> On Tue, Jul 28, 2009 at 9:40 PM, Jim Freeze <asterisk at freeze.org> wrote:
>
>> I am installing a channel 12 (11 digital phone lines) using a PRI and
>> I have a few questions about hunt groups and line pooling.
>> The system is serving two offices, each with their own DiD.
>>
>> I'm wondering if there is a way to pool the lines between the offices,
>> so that both offices can use any available line. I know this can be
>> done for outgoing calls, but the real question is can it be done for
>> incoming calls. I assume that each DiD will need a hunt group, but
>> defining a hunt group seems to exclude the possibility of pooling the
>> lines for incoming calls.
>>
>> Does anyone know if this is possible?
>>
>> --
>> Jim Freeze
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>
>
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