[asterisk-users] Maximum E1 Ports on Asterisk ?

2010-12-22 Thread Zoel Hairi - Yahoo
Hi All, 

 

Just a little over thought. Sorry if someone already asked about this
before.

 

Is it possible to put all 16 Ports of E1 in One Asterisk Server ? 

 

And if it's not possible is there any suggestion or alternative for me to
use more than 320 lines of outgoing calls on One Asterisk Server ?

 

Thanks 

 

ZH

 

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Re: [asterisk-users] Maximum E1 Ports on Asterisk ?

2010-12-22 Thread Andrew Latham
On Wed, Dec 22, 2010 at 8:50 AM, Zoel Hairi - Yahoo
zoelha...@yahoo.co.id wrote:
 Hi All,



 Just a little over thought. Sorry if someone already asked about this
 before.



 Is it possible to put all 16 Ports of E1 in One Asterisk Server ?



 And if it’s not possible is there any suggestion or alternative for me to
 use more than 320 lines of outgoing calls on One Asterisk Server ?



 Thanks



 ZH


Zoel

It is possible to do what you are asking. In general the issue is
raised about having all your eggs in one basket where one server or
hardware failure can drop all of your lines for a period of time.
External solutions like Xorcom and Redfone are great ways of
abstraction.  The concurrent call load on a server relies on the work
to be done on each call.  If you are using multiple codecs and
recording the calls in another file format with other complex dialplan
or AGI scripts then one server may not handle the calls well.  If
everything is ALAW and just dialing though then this would not be a
problem for one server.  If you search the list for sizing
concurrent and load you will find more information.  One very nice
thing is that testing is very easy with or without the E1 hardware,
try running the TDMoE channels between two servers and run a SIPp or
other test to see the issues in a lab.

~~~ Andrew lathama Latham lath...@gmail.com ~~~

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Re: [asterisk-users] Maximum E1 Ports on Asterisk ?

2010-12-22 Thread Cary Fitch
 

From: asterisk-users-boun...@lists.digium.com
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Zoel Hairi -
Yahoo
Sent: Wednesday, December 22, 2010 5:50 AM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: [asterisk-users] Maximum E1 Ports on Asterisk ?

 

Hi All, 

 

Just a little over thought. Sorry if someone already asked about this
before.

 

Is it possible to put all 16 Ports of E1 in One Asterisk Server ? 

 

And if it's not possible is there any suggestion or alternative for me to
use more than 320 lines of outgoing calls on One Asterisk Server ?

 

Thanks 

 

ZH

 



 

The general answer is Yes, maybe.  I suggest you look at the Xorcom.com
website for their load test data.  Using a well sized server with best
practice tweaks is important.

 

It appears that bigger is not always better.  For instance it seems to hurt
or at least give no benefit to use a quad core processor.  We just ran tests
that indicates  

Xorcom's  3000 model would handle 16 CAS T1s.

 

CAS T1s produce a very high interrupt rate.  PRI T1s don't cause nearly as
high rate.  The right choice of cache, motherboard, processor and tweaks,
are essential.  You would be leading the pack. I think.

 

.Cary Fitch

 

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Re: [asterisk-users] Maximum E1 Ports on Asterisk ?

2010-12-22 Thread Cary Fitch


-Original Message-
From: asterisk-users-boun...@lists.digium.com
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Andrew Latham
Sent: Wednesday, December 22, 2010 6:09 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Maximum E1 Ports on Asterisk ?

On Wed, Dec 22, 2010 at 8:50 AM, Zoel Hairi - Yahoo
zoelha...@yahoo.co.id wrote:
 Hi All,



 Just a little over thought. Sorry if someone already asked about this
 before.



 Is it possible to put all 16 Ports of E1 in One Asterisk Server ?



 And if it's not possible is there any suggestion or alternative for me to
 use more than 320 lines of outgoing calls on One Asterisk Server ?



 Thanks



 ZH


Zoel

It is possible to do what you are asking. In general the issue is
raised about having all your eggs in one basket where one server or
hardware failure can drop all of your lines for a period of time.
External solutions like Xorcom and Redfone are great ways of
abstraction.  The concurrent call load on a server relies on the work
to be done on each call.  If you are using multiple codecs and
recording the calls in another file format with other complex dialplan
or AGI scripts then one server may not handle the calls well.  If
everything is ALAW and just dialing though then this would not be a
problem for one server.  If you search the list for sizing
concurrent and load you will find more information.  One very nice
thing is that testing is very easy with or without the E1 hardware,
try running the TDMoE channels between two servers and run a SIPp or
other test to see the issues in a lab.

~~~ Andrew lathama Latham lath...@gmail.com ~~~

--
_

In a previous post I also mentioned Xorcom.  They do have a unique fail over
ability with their Astribank systems. 

With dual servers, separate chassis and power supplies for the 4 port T1/E1
cards, USB interconnections, and redundant power supplies for the
Astribanks, system downtime can be minimized, and if there is a failure,
repair would be at worst, no screwdriver needed.  

If system failure would be idling 200 - 400 people, avoiding system down
time would be a major objective.

Cary Fitch


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Re: [asterisk-users] Maximum E1 Ports on Asterisk ?

2010-12-22 Thread Zoel Hairi - Yahoo


-Original Message-
From: asterisk-users-boun...@lists.digium.com
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Cary Fitch
Sent: Wednesday, December 22, 2010 7:49 PM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: Re: [asterisk-users] Maximum E1 Ports on Asterisk ?



-Original Message-
From: asterisk-users-boun...@lists.digium.com
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Andrew Latham
Sent: Wednesday, December 22, 2010 6:09 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Maximum E1 Ports on Asterisk ?

On Wed, Dec 22, 2010 at 8:50 AM, Zoel Hairi - Yahoo
zoelha...@yahoo.co.id wrote:
 Hi All,



 Just a little over thought. Sorry if someone already asked about this
 before.



 Is it possible to put all 16 Ports of E1 in One Asterisk Server ?



 And if it's not possible is there any suggestion or alternative for me to
 use more than 320 lines of outgoing calls on One Asterisk Server ?



 Thanks



 ZH


 Zoel

 It is possible to do what you are asking. In general the issue is
 raised about having all your eggs in one basket where one server or
 hardware failure can drop all of your lines for a period of time.
 External solutions like Xorcom and Redfone are great ways of
 abstraction.  The concurrent call load on a server relies on the work
 to be done on each call.  If you are using multiple codecs and
 recording the calls in another file format with other complex dialplan
 or AGI scripts then one server may not handle the calls well.  If
 everything is ALAW and just dialing though then this would not be a
 problem for one server.  If you search the list for sizing
 concurrent and load you will find more information.  One very nice
 thing is that testing is very easy with or without the E1 hardware,
 try running the TDMoE channels between two servers and run a SIPp or
 other test to see the issues in a lab.

 ~~~ Andrew lathama Latham lath...@gmail.com ~~~

--
_

 In a previous post I also mentioned Xorcom.  They do have a unique fail
over
 ability with their Astribank systems. 

 With dual servers, separate chassis and power supplies for the 4 port
T1/E1
 cards, USB interconnections, and redundant power supplies for the
 Astribanks, system downtime can be minimized, and if there is a failure,
 repair would be at worst, no screwdriver needed.  

 If system failure would be idling 200 - 400 people, avoiding system down
 time would be a major objective.

 Cary Fitch


Thanks Cary and Andrew,

This is a great suggestion and alternative for me. I will take a look at
Xorcom and the AstriBank.

Once again, Thanks guys.

ZH

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