Re: [asterisk-users] Advice on Asterisk Conference

2012-04-23 Thread Tim Panton

On 22 Apr 2012, at 18:34, Steve Edwards wrote:

 On Sun, 22 Apr 2012, Stuart Elvish - IP Exchange Systems wrote:
 
 1.  DO I need a separate server for the conference server?
 This depends on a few factors:
 (a) You won't be able to run MySQL alongside Asterisk with conferencing
 and get good results. If you plan to use a single Asterisk server to do
 conferencing and other voice functions (for example voicemail) then I
 wouldn't expect any major issues. It depends on the usage of each voice
 function of the system.
 
 I don't think there was enough information in the OP's post to support the 
 statement that running MySQL and Asterisk on the same box will not yield good 
 results.
 
 I prefer to run them on separate boxes. Database servers and 'telco' servers 
 have different resource requirements and seem to need different 
 administration styles but they are not fundamentally incompatible.


One of the amusing things about Oracle's XE 'free' database was that it was 
limited to a single core and 1Gb RAM. 
This made it perfect to run on the same box as asterisk. On a 4 core 4Gb 
machine you were pretty much certain that 
Asterisk was going to get 3 Cores and enough memory to itself, irrespective of 
what the DB users did :-)

Tim.



Tim Panton - Web/VoIP consultant and implementor
www.westhawk.co.uk




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Re: [asterisk-users] Advice on Asterisk Conference

2012-04-22 Thread Tim Panton
Be  aware that there are several different conferencing solutions for asterisk.

I've used app_meetme in asterisk 1.8 (the LTS release) pretty happily. It is 
reasonably full featured and
well supported. It has 2 drawbacks : 1) it needs a kernel module (Dahdi) to do 
the mixing and
timing 2) it only does narrowband codecs 

If you like living nearer to the edge, there is app_confbridge in asterisk 1.10 
(aka 10) which 
removes those 2 issues, but is new and so lacks some of the support (e.g. web 
modules etc)

In terms of numbers, I've always found that user management issues kick in 
before the software/hardware limitations. Your milage may vary.

T.
 

On 20 Apr 2012, at 18:20, Mitchell Johnson wrote:

 We're looking into using Asterisk to do our conferencing.  Currently we do 
 all our conferencing using Cisco, we have a router with PVDM modules so we 
 can offload the hardware resources.
 
 I'm looking for some best practices on how to set it up.
 
 1.  DO I need a separate server for the conference server?
 2.  Do I need to offload the actual conference to a router with PVDM modules.
 3.  Does anyone have experience with transitioning from Cisco conferencing to 
 Asterisk?
 4.  How many participants can participate in a conference?  
 
 Thanks,
 
 Mitch
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Re: [asterisk-users] Advice on Asterisk Conference

2012-04-22 Thread Stuart Elvish - IP Exchange Systems
Hi Mitch,

Firstly, I am not a conferencing guru; I just hope this helps.

 I'm looking for some best practices on how to set it up.
 
 1.  DO I need a separate server for the conference server?
This depends on a few factors:
(a) You won't be able to run MySQL alongside Asterisk with conferencing
and get good results. If you plan to use a single Asterisk server to do
conferencing and other voice functions (for example voicemail) then I
wouldn't expect any major issues. It depends on the usage of each voice
function of the system.

(b) How many conference participants will you have and will they all be
bi-directional audio or will it be more oriented towards having a single
person addressing multiple channels which are only listening?

(c) Are you planning on connecting SIP endpoints directly to Asterisk
and perhaps passing some of the callers through other trunks (SIP or ISDN)?

 2.  Do I need to offload the actual conference to a router with PVDM modules.
Got no idea, sorry. Haven't worked with Cisco voice equipment personally.

 3.  Does anyone have experience with transitioning from Cisco conferencing to 
 Asterisk?
A couple of my clients have wanted integration with other systems
(Nortel / Avaya) and you will be best using the cheapest option of ISDN
cross-over cabling (if you already have spare T1/E1 ports) or SIP
trunks. The Cisco (or Asterisk server) can be programmed in such a way
that the conference participants (or voicemail users etc) don't know
which system they are interacting with.

 4.  How many participants can participate in a conference?  
Depending on 1b and your processor specification, you can host quite
large conferences with only marked users speaking and many end points
listening. You would likely have to get a testing budget and figure it
out for your own system if no one else can provide you more detailed
information.

I hope this helps.

Kind Regards
Stuart

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Re: [asterisk-users] Advice on Asterisk Conference

2012-04-22 Thread Steve Edwards

On Sun, 22 Apr 2012, Stuart Elvish - IP Exchange Systems wrote:


1.  DO I need a separate server for the conference server?

This depends on a few factors:
(a) You won't be able to run MySQL alongside Asterisk with conferencing
and get good results. If you plan to use a single Asterisk server to do
conferencing and other voice functions (for example voicemail) then I
wouldn't expect any major issues. It depends on the usage of each voice
function of the system.


I don't think there was enough information in the OP's post to support the 
statement that running MySQL and Asterisk on the same box will not yield 
good results.


I prefer to run them on separate boxes. Database servers and 'telco' 
servers have different resource requirements and seem to need different 
administration styles but they are not fundamentally incompatible.


Aside from the OP asking 'how many participants' (which leads me to assume 
he wants 'a lot') we have no clue to his requirements.


If the OP wants 'lots of participants' and is doing 'a lot' of database 
activity then separate servers are justified.


Otherwise, a dozen or so participants and the database on the same box 
would not concern me from a 'can do' perspective. I'd still vote for 
separate boxes if the budget can support it.


Hey OP, better details yield better suggestions :)

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Thanks in advance,
-
Steve Edwards   sedwa...@sedwards.com  Voice: +1-760-468-3867 PST
Newline  Fax: +1-760-731-3000

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[asterisk-users] Advice on Asterisk Conference

2012-04-20 Thread Mitchell Johnson
We're looking into using Asterisk to do our conferencing.  Currently we do all 
our conferencing using Cisco, we have a router with PVDM modules so we can 
offload the hardware resources.

I'm looking for some best practices on how to set it up.

1.  DO I need a separate server for the conference server?
2.  Do I need to offload the actual conference to a router with PVDM modules.
3.  Does anyone have experience with transitioning from Cisco conferencing to 
Asterisk?
4.  How many participants can participate in a conference?  

Thanks,

Mitch
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Re: [asterisk-users] Advice on Asterisk Conference

2012-04-20 Thread Leandro Dardini
1. No, asterisk can act as pbx and as conference server

2. No, just bought a powerful server

3. Not me, sorry

4. You are limited only by the CPU of your server
Il giorno 20/apr/2012 19:21, Mitchell Johnson mitch.johns...@gmail.com
ha scritto:

 We're looking into using Asterisk to do our conferencing.  Currently we do
 all our conferencing using Cisco, we have a router with PVDM modules so we
 can offload the hardware resources.

 I'm looking for some best practices on how to set it up.

 1.  DO I need a separate server for the conference server?
 2.  Do I need to offload the actual conference to a router with PVDM
 modules.
 3.  Does anyone have experience with transitioning from Cisco conferencing
 to Asterisk?
 4.  How many participants can participate in a conference?

 Thanks,

 Mitch
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