[asterisk-biz] 1 T1, 1 Asterisk PBX, and 1 HylaFax system.

[Mike Clark]

bill dwyer wrote:
>
>
> On 10/18/07, *bill dwyer* <mastern8 at gmail.com 
> <mailto:mastern8 at gmail.com>> wrote:
>
>     I have a few questions for the brain trust that is the biz list...
>     Any thoughts, critisims or flaming is welcome.
>      
>     I am looking to use 1 T1 (PRI) to split between 3 systems. Let me
>     give you an idea of what we are talking about:
>     1. Asterisk PBX that runs our internal business phone system, (4
>     Lines) using a TE12OP digium card with the T1 and VoIP for the
>     internal communication.
>     2. Asterisk Voicemail system using VoIP for inbound and outbound
>     to a gateway that is attached to the T1, (4 Lines)  (Possibly the
>     Asterisk system in 1???) RIght now there is no card only ethernet.
>     (Althoug I do have  a 4 line digium analog card if that makes it
>     easier.)
>     3. A Hylafax system running as a Efax platform for commerical
>     purposes. (4 to 8 lines) Using a Digium Te220 card attached to the
>     same T1.
>      
>     Now for the questions. Does this even sound feasible? Can I split
>     the T1 between the 3 devices?
>     Can the Asterisk system in 1 be a POTS to VoIP gateway for
>     the second asterisk system? I would be willing to use the analog
>     card if that last scenerio isnt possible, but what do I use to
>     break the analog lines off the T1? I already have the 2nd system
>     developed and running in a production environment, the other 2 are
>     in development.
>      
>     Any ideas are welcome.
>     Nate
>
>  
> All 3 are good ideas. I already have all the hardware I mentioned so 
> saving money on cards at this point isn't really the focus. Also for 
> the same reasons combining the 3 servers into one seems a little 
> risky, I would hate to bring down my 2 core products because I made a 
> change to my internal PBX system. (The thought of my customers trying 
> to call into my office because their voicemail and fax systems are 
> not working and reaching a fast busy is quite scary! But it is great 
> to know that it works!)  I do like the idea of using a quad card to 
> chain the systems to other T1 cards. My guess is that is going to 
> produce the lowest latency and the cleanest calls. I beleive we are 
> going the SIP route internally for the PBX system but because of 
> issues with Fax and VoIP the voicemail and fax system have to be 
> straight T1. As for TDMoE I am not aware of what this is. Time for a 
> little googling to look into that. Thanks for all of your ideas. I am 
> glad to see that I am not completely off base.
> Nate
>  
Unless your systems are not all together on a local network, I don't 
believe chaining the TDM hardware will produce a better call than SIP or 
IAX for voice or voicemail. I definitely understand on the FAX, but I 
believe that could be done with iaxmodem as well.

Mike Clark