[Asterisk-Users] Simple setup ...

[Alex Barnes]

Before I bought the last batch of Digium TE2xxP cards I think the story on echo cancellation was that it only frees up your CPU cycles.

Since we were buying dual Xeons (Dell SC1420’s) for a 15 line E1 / 50 extension system this seemed a little pointless even with all calls being recorded and uploads to CRM going on.
Think the difference is something like 100 concurrent calls without echo cancellation card compared to 130-150 with.  But cant remember where I read that, digium site maybe?

I have only ever used the Digium cards so cant comment on other makes.  
We have always been very happy with them and don’t have any issues with CallerID.
The main reason we stick with Digium is you’re are guaranteed they will continue to be support in future releases of Asterisk 
and in a commercial environment I don’t see the benefit of taking a punt on another make for pennies price difference.  

Only my personal opinion / experience not based on facts ☺

HTH

Alex

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of David Waugh
Sent: 24 January 2006 11:35
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: RE: [Asterisk-Users] Simple setup ...

Hello Phil,
 
8 Digital Lines might be a fractional PRI line, or it may be that you have 4 Basic Rate (BRI) ISDN Lines. Is there just one line coming from the "wall" or are there 4?
 
Hardware wise, there are many different cards that you can use.
 
The Diva Server range of cards have hardware echo cancellation, but cost more than a basic card. It's up to your budget and the quality you need.
 
Caller ID is fully supported by this card.
 
The card is easy to install and instructions can be found on this page:
http://www.voip-info.org/wiki-Asterisk+Eicon+Diva+CAPI+ISDN
 
If you have 4 BRI lines then a Diva Server 4BRI would be appropriate.
 
If you have a fractional PRI line with 8 Channels then you can use a Diva Server PRI E1/T1-8M
 
If you are only using the card for a Voice calls only, then a Diva Server -V series card is most appropriate. If you need to fax aswell, then you will need a normal Diva Server card.
 
Please let me know if you need any more info.
 
Thanks
David
-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com]On Behalf Of phil.dawson at marnock.com
Sent: 24 January 2006 10:37
To: asterisk-users at lists.digium.com
Subject: [Asterisk-Users] Simple setup ...

Hi, 

I'm currently looking to run Asterisk in the office to replace an old PBX and would appreciate a little help.  We are moving offices and will have 8 digital lines.  My questions are: 

As there are 8 digital lines is this known as PRI? 
Which Digium card would be the best fit? 
Would you recommend looking at the echo cancellation cards? 
We are UK based: is caller id supported by Asterisk for the card that you would recommend? 
Any other tips / possible pitfalls would be helpful. 


Thank you in advance! 


Phil.


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