[asterisk-users] Interfacing pri card to legacy pbx

[Alexander Lopez]

The configuration for a PM3 would be the same for a PBX. One additional
note, put the channels on the PBX PRI in its own context, and then set
that context up in your dialplan to forward the calls out to your SIP
provider.

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Tom Moore
> Sent: Tuesday, July 15, 2008 9:14 AM
> To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
> Subject: Re: [asterisk-users] Interfacing pri card to legacy pbx
> 
> Actually what I'm doing is interfacing the legacy pbx and converting
it to
> use sip for its way out to the world.
> The phone vender I'm working with says his system requires b8zs
signaling
> and uses the esf frame type.
> 
> Tom
> 
> 
> 
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Nicolas
Ross
> Sent: Tuesday, July 15, 2008 8:49 AM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] Interfacing pri card to legacy pbx
> 
> I cannot tell for sure for any system, but we have an old Portmaster
PM3
> hooked-up from one port of our Sangoma A104d card, another one being
from
> telco.
> 
> So, yes you can "emulate" the telco from a sangoma A10x card. Here's
what
> I
> have in my zapata.conf :
> 
> ;Sangoma A104 port 1 [slot:12 bus:0 span: 1]
> switchtype=national
> pridialplan=unknown
> signalling=pri_cpe
> group=1
> channel => 1-23
> 
> ;Sangoma A104 port 2 [slot:12 bus:0 span: 2]
> echocancel=no
> pridialplan=national
> signalling=pri_net
> group=2
> channel => 25-47
> 
> You might have noticed that the signalling is different for both port.
> pri_net being the "telco emulatin" one. The clock needs also to be set
on
> "master" in the wancfg utility.
> 
> Another thing, you might want to consider using a 2 port card for
that,
> because the clock master needs a reference and I can't tell for sure
if
> it'll work with a reference from another card.
> 
> Regards,
> 
> Nicolas
> 
> 
> > Hi guys,
> > Can I use a Sangoma a101 to interface a legacy pbx to an Asterisk
> server?
> > The pbx doesn't have sip and I want to come in off of a sip trunk
and
> > interface with the older system.
> > I know I can use a pri card to hook in to the phone network, but can
I
> use
> > this same card to feed back the signaling as if I were the phone
company
> > to
> > the older system?
> >
> > Thanks,
> > Tom
> 
> 
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