[Asterisk-Users] PRI for Data and Voice

[Eric Bishop]

Do you have a config sample on how to handle digital PPP sessions in Asterisk?


On Sat, 29 Jan 2005 15:16:51 +0100 (CET), Peter Svensson
<psvasterisk at psv.nu> wrote:
> On Sat, 29 Jan 2005, David Norton wrote:
> 
> > Currently I only have 1 PRI which I am using for dial-in customers. The line
> > is connected to a Portmaster3. I have never used more than 10 concurrent
> > channels. The calls can be both analog or ISDN. It would be a waste to order
> > another PRI for my Asterisk box. Is there any way of splitting a PRI into 2
> > PRI's of 15 channels each, or plugging the PRI into the * box and it send
> > the data calls to the portmaster, or handles them itself?
> 
> Off the top of my head I can think of a few solutions:
> 
>  * Use a multiport T1 zapata card (TE405P or TE410P) and connect your
>    systems this way:
>          PSTN  -PRI-  Asterisk  -PRI-  Portmaster
>                          \
>                           ---lan--- voip stuff
>    With suitable parameters to the Dial application in Asterisk
>    the forwarded calls will be passed transparently between the
>    interfaces. This is similar to how we handle isdn data calls.
> 
>  * The zapata driver can handle digital but not analog ppp connections
>    in the driver. If you wanted to you could use the above solution but
>    have the Asterisk box handle the digital data calls. Not much is
>    gained since you still need the Portmaster for the analog data calls.
> 
>  * Use a pri card with an on board DSP in the Asterisk box. The so called
>    "active" isdn cards are usually so equipped. Cards in this category are
>    the Eicon Diva Server T1/PRI cards (or the E1 equivalent) and probably
>    more. I think they all interface to Asterisk via CAPI.
> 
>  * Buy a box with a dedicated box that does both VoIP and data call
>    termination and interface to Asterisk via VoIP.
> 
> Peter
> 
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