[VoiceOps] Session Border Controllers

[David Knell]

That's signalling and proxying media for most of the calls; no transcoding
beyond u-law <-> A-law.

 

--Dave

 

From: Andrew Dixon [mailto:adixon at artjconsultants.com] 
Sent: 19 February 2013 20:18
To: David Knell
Cc: Grant Baxley; voiceops at voiceops.org
Subject: Re: [VoiceOps] Session Border Controllers

 

Can the vm handle transcoding or is it primarily sip signaling?

On Tuesday, February 19, 2013, David Knell wrote:

Hi Grant -

 

We use FreeSWITCH running on CentOS, virtualised with OpenVZ.  The largest
instances run up to

4,000 sessions (=2,000 concurrent calls) and have peaked at over 40
calls/sec; they use less than

half of an i7-3770 CPU at this level.

 

--Dave

 

From: voiceops-bounces at voiceops.org
<javascript:_e(%7b%7d,%20'cvml',%20'voiceops-bounces at voiceops.org');>
[mailto:voiceops-bounces at voiceops.org
<javascript:_e(%7b%7d,%20'cvml',%20'voiceops-bounces at voiceops.org');> ] On
Behalf Of Grant Baxley
Sent: 19 February 2013 18:58
To: james jones
Cc: voiceops at voiceops.org
<javascript:_e(%7b%7d,%20'cvml',%20'voiceops at voiceops.org');> 
Subject: Re: [VoiceOps] Session Border Controllers

 

200 concurrent calls would be a good start with 20 calls a second. 

 

If there is a platform that can be virtualized on my current equipment, that
would be the preferred method. We have a high available cloud that currently
runs many Centos virtual PBX instances. 

 

 

Thanks,

 

R. Grant Baxley
President & CEO
Infinity Computer Solutions
813 W Platt St. 

Tampa, FL 33606
Toll Free: 1.888.287.9198
Local: 813.319.3704

 

From: james jones [mailto:james.voip at gmail.com
<javascript:_e(%7b%7d,%20'cvml',%20'james.voip at gmail.com');> ] 
Sent: Tuesday, February 19, 2013 1:56 PM
To: Grant Baxley
Cc: voiceops at voiceops.org
<javascript:_e(%7b%7d,%20'cvml',%20'voiceops at voiceops.org');> 
Subject: Re: [VoiceOps] Session Border Controllers

 

How many concurrent calls?

How many calls per second?

On Tuesday, February 19, 2013, Grant Baxley wrote:

I am looking to implement a cost effective session border controller. Can
anyone point me in the right direction? 

 

We would need to be able to route calls to and from different IP addresses
based on source and destination. 

 

 

Thanks,

 

R. Grant Baxley
President & CEO
Infinity Computer Solutions
813 W Platt St. 

Tampa, FL 33606
Toll Free: 1.888.287.9198
Local: 813.319.3704

 



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