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asterisk.org at sedwar...
Guest
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 Posted: Fri Mar 21, 2014 10:54 am Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
 |
|
I'm trying to determine the capacity of my host running Asterisk 11.8.1 on
CentOS 6.5.
The host is an Intel E3-1240v3 with 8GB RAM, an SSD, and gigabit Ethernet.
The primary application will be bridging groups of users using meetme().
I'm using 2 boxes -- 1 to initiate calls using call files (box1), and 1
behaving a bit more like a production box -- bridging calls (box2).
The call file on box1 originates a call to box2 and then plays a 2 hour
WAV file.
The dialplan on box2 drops the call into a meetme, creating the room name
from the last 2 digits of the current call count -- distributing the calls
into 100 meetmes.
When I run a script to create 500 call files on box1, box2 starts
complaining at 312 calls, logging 'Unable to open DAHDI pseudo channel:
Cannot allocate memory' on the console.
From the 'callers perspective' the call is dropped between 'There are
currently x other participants in the conference' and the 'beep-beep.'
'top' says Asterisk is only using about 1/2 gigabyte of RAM.
'top' says Asterisk is using about 250% of the CPU (4 physical, 8 logical
cores).
'ulimit' (added to /usr/sbin/safe_asterisk in the run_asterisk() function)
says the open file limit is 397,006.
'ls -l /proc/$(cat /var/run/asterisk/asterisk.pid)/fd | wc -l' says
Asterisk only has 2,194 files open.
'iftop' sees about 24Mb of bandwidth in each direction between the boxes.
Using confbridge() I can easily get 3,000 calls (14,869 open files, 180Mb
bandwidth), but I'd lose some functionality and have to re-write parts of
my application.
Any clues of what limit I'm hitting and how to increase it?
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
--
_____________________________________________________________________
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asterisk.org at sedwar...
Guest
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| Posted: Fri Mar 21, 2014 10:56 am Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
On Fri, 21 Mar 2014, Steve Edwards wrote:
| Quote: | The call file on box1 originates a call to box2 and then plays a 2 hour
WAV file.
|
The call file on box1 originates a SIP call to box2 and then plays a 2
hour WAV file.
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
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stotaro at totarotechn...
Guest
|
| Posted: Fri Mar 21, 2014 12:54 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
I found below here: http://www.voip-info.org/wiki/view/Asterisk+cmd+MeetMe
If you have too many conferences, one CPU may not be able to mix all the audio and you will have audio problems even if there are 7+ other CPUs that are essentially idle while waiting for one CPU to mix everything. You should be able to handle 512 conference participants on a modern server system without problem. The current trunk of DAHDI linux limits the number of open pseudo channels to 512 for this reason. [1]
Thanks,
Steve T
[1] http://svn.asterisk.org/view/dahdi?view=revision&revision=9610 The new ConfBridge module in the upcoming Asterisk 1.10 release may not have this limitation.
On Fri, Mar 21, 2014 at 11:53 AM, Steve Edwards <asterisk.org@sedwards.com (asterisk.org@sedwards.com)> wrote:
| Quote: | I'm trying to determine the capacity of my host running Asterisk 11.8.1 on CentOS 6.5.
The host is an Intel E3-1240v3 with 8GB RAM, an SSD, and gigabit Ethernet.
The primary application will be bridging groups of users using meetme().
I'm using 2 boxes -- 1 to initiate calls using call files (box1), and 1 behaving a bit more like a production box -- bridging calls (box2).
The call file on box1 originates a call to box2 and then plays a 2 hour WAV file.
The dialplan on box2 drops the call into a meetme, creating the room name from the last 2 digits of the current call count -- distributing the calls into 100 meetmes.
When I run a script to create 500 call files on box1, box2 starts complaining at 312 calls, logging 'Unable to open DAHDI pseudo channel: Cannot allocate memory' on the console.
From the 'callers perspective' the call is dropped between 'There are currently x other participants in the conference' and the 'beep-beep.'
'top' says Asterisk is only using about 1/2 gigabyte of RAM.
'top' says Asterisk is using about 250% of the CPU (4 physical, 8 logical cores).
'ulimit' (added to /usr/sbin/safe_asterisk in the run_asterisk() function) says the open file limit is 397,006.
'ls -l /proc/$(cat /var/run/asterisk/asterisk.pid)/fd | wc -l' says Asterisk only has 2,194 files open.
'iftop' sees about 24Mb of bandwidth in each direction between the boxes.
Using confbridge() I can easily get 3,000 calls (14,869 open files, 180Mb bandwidth), but I'd lose some functionality and have to re-write parts of my application.
Any clues of what limit I'm hitting and how to increase it?
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com (sedwards@sedwards.com) Voice: [url=tel:%2B1-760-468-3867]+1-760-468-3867[/url] PST
Newline Fax: [url=tel:%2B1-760-731-3000]+1-760-731-3000[/url]
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com (sedwards@sedwards.com) Voice: [url=tel:%2B1-760-468-3867]+1-760-468-3867[/url] PST
Newline Fax: [url=tel:%2B1-760-731-3000]+1-760-731-3000[/url]
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
asterisk-users mailing list
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dave at dawoodfall.net
Guest
|
| Posted: Fri Mar 21, 2014 1:02 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
On (21/03/14 13:54), Steve Totaro <stotaro@totarotechnologies.com> put forth the proposition:
| Quote: | I found below here: http://www.voip-info.org/wiki/view/Asterisk+cmd+MeetMe
If you have too many conferences, one CPU may not be able to mix all the
audio and you will have audio problems even if there are 7+ other CPUs that
are essentially idle while waiting for one CPU to mix everything. You
should be able to handle 512 conference participants on a modern server
system without problem. The current trunk of *DAHDI linux limits the number
of open pseudo channels to 512 for this reason*. [1]
Thanks,
Steve T
[1] http://svn.asterisk.org/view/dahdi?view=revision&revision=9610
The new ConfBridge module in the upcoming Asterisk 1.10 release may not
have this limitation.
|
I'm using confbridge on asterisk 11.
| Quote: | On Fri, Mar 21, 2014 at 11:53 AM, Steve Edwards
<asterisk.org@sedwards.com>wrote:
| Quote: | I'm trying to determine the capacity of my host running Asterisk 11.8.1 on
CentOS 6.5.
The host is an Intel E3-1240v3 with 8GB RAM, an SSD, and gigabit Ethernet.
The primary application will be bridging groups of users using meetme().
I'm using 2 boxes -- 1 to initiate calls using call files (box1), and 1
behaving a bit more like a production box -- bridging calls (box2).
The call file on box1 originates a call to box2 and then plays a 2 hour
WAV file.
The dialplan on box2 drops the call into a meetme, creating the room name
from the last 2 digits of the current call count -- distributing the calls
into 100 meetmes.
When I run a script to create 500 call files on box1, box2 starts
complaining at 312 calls, logging 'Unable to open DAHDI pseudo channel:
Cannot allocate memory' on the console.
From the 'callers perspective' the call is dropped between 'There are
currently x other participants in the conference' and the 'beep-beep.'
'top' says Asterisk is only using about 1/2 gigabyte of RAM.
'top' says Asterisk is using about 250% of the CPU (4 physical, 8 logical
cores).
'ulimit' (added to /usr/sbin/safe_asterisk in the run_asterisk() function)
says the open file limit is 397,006.
'ls -l /proc/$(cat /var/run/asterisk/asterisk.pid)/fd | wc -l' says
Asterisk only has 2,194 files open.
'iftop' sees about 24Mb of bandwidth in each direction between the boxes.
Using confbridge() I can easily get 3,000 calls (14,869 open files, 180Mb
bandwidth), but I'd lose some functionality and have to re-write parts of
my application.
Any clues of what limit I'm hitting and how to increase it?
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users
|
|
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
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asterisk.org at sedwar...
Guest
|
| Posted: Fri Mar 21, 2014 1:27 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
On Fri, 21 Mar 2014, Steve Totaro wrote:
| Quote: | I found below here:
http://www.voip-info.org/wiki/view/Asterisk+cmd+MeetMe
If you have too many conferences, one CPU may not be able to mix all the
audio and you will have audio problems even if there are 7+ other CPUs
that are essentially idle while waiting for one CPU to mix everything.
You should be able to handle 512 conference participants on a modern
server system without problem. The current trunk of DAHDI linux limits
the number of open pseudo channels to 512 for this reason. [1]
|
With 312 calls distributed across 100 meetmes, 'top' shows 1 core at 32%,
1 core at 6% and the rest basically idle.
So it looks like meetme() is still a single CPU application, but I have
plenty of CPU headroom.
Coincidentally, 512 is my target. Any clues on how to get 200 more?
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
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wealwildwon at wombit.com
Guest
|
| Posted: Fri Mar 21, 2014 2:17 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
| Quote: | Coincidentally, 512 is my target. Any clues on how to get 200 more?
|
Upgrade to 1.4? hehe, I thought you were the self proclaimed 1.2
luddite? I'm a big fan of older releases with 1 year plus of uptime.
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
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stotaro at totarotechn...
Guest
|
| Posted: Fri Mar 21, 2014 2:26 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
On Fri, Mar 21, 2014 at 2:26 PM, Steve Edwards <asterisk.org@sedwards.com (asterisk.org@sedwards.com)> wrote:
| Quote: | On Fri, 21 Mar 2014, Steve Totaro wrote:
| Quote: | I found below here: http://www.voip-info.org/wiki/view/Asterisk+cmd+MeetMe
If you have too many conferences, one CPU may not be able to mix all the audio and you will have audio problems even if there are 7+ other CPUs that are essentially idle while waiting for one CPU to mix everything. You should be able to handle 512 conference participants on a modern server system without problem. The current trunk of DAHDI linux limits the number of open pseudo channels to 512 for this reason. [1]
|
With 312 calls distributed across 100 meetmes, 'top' shows 1 core at 32%, 1 core at 6% and the rest basically idle.
So it looks like meetme() is still a single CPU application, but I have plenty of CPU headroom.
Coincidentally, 512 is my target. Any clues on how to get 200 more?
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com (sedwards@sedwards.com) Voice: [url=tel:%2B1-760-468-3867]+1-760-468-3867[/url] PST
Newline Fax: [url=tel:%2B1-760-731-3000]+1-760-731-3000[/url]
|
What does the console say for channels when you max out? That limitation has to be in the source code if in fact that is the limit you are bumping into.
Thanks,
Steve T |
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asterisk.org at sedwar...
Guest
|
| Posted: Fri Mar 21, 2014 2:28 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
On Fri, 21 Mar 2014, Adrian Serafini wrote:
| Quote: | Upgrade to 1.4? hehe, I thought you were the self proclaimed 1.2
luddite? I'm a big fan of older releases with 1 year plus of uptime.
|
Yep, that's me 
I'm trying to make the leap from 1.2 to 11.8.1
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users |
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jnovack at stromberg-c...
Guest
|
| Posted: Fri Mar 21, 2014 2:36 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
Steve Edwards wrote:
| Quote: | On Fri, 21 Mar 2014, Adrian Serafini wrote:
| Quote: | Upgrade to 1.4? hehe, I thought you were the self proclaimed 1.2 luddite? I'm a big fan of older releases with 1 year plus of uptime.
|
Yep, that's me
I'm trying to make the leap from 1.2 to 11.8.1
|
That is a HUGE leap
Watch out for whiplash!
John Novack
--
Dog is my Co-pilot
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
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paul.belanger at polyb...
Guest
|
| Posted: Fri Mar 21, 2014 6:39 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
On Fri, Mar 21, 2014 at 11:53 AM, Steve Edwards
<asterisk.org@sedwards.com> wrote:
| Quote: | I'm trying to determine the capacity of my host running Asterisk 11.8.1 on
CentOS 6.5.
The host is an Intel E3-1240v3 with 8GB RAM, an SSD, and gigabit Ethernet.
The primary application will be bridging groups of users using meetme().
I'm using 2 boxes -- 1 to initiate calls using call files (box1), and 1
behaving a bit more like a production box -- bridging calls (box2).
The call file on box1 originates a call to box2 and then plays a 2 hour WAV
file.
The dialplan on box2 drops the call into a meetme, creating the room name
from the last 2 digits of the current call count -- distributing the calls
into 100 meetmes.
When I run a script to create 500 call files on box1, box2 starts
complaining at 312 calls, logging 'Unable to open DAHDI pseudo channel:
Cannot allocate memory' on the console.
From the 'callers perspective' the call is dropped between 'There are
currently x other participants in the conference' and the 'beep-beep.'
'top' says Asterisk is only using about 1/2 gigabyte of RAM.
'top' says Asterisk is using about 250% of the CPU (4 physical, 8 logical
cores).
'ulimit' (added to /usr/sbin/safe_asterisk in the run_asterisk() function)
says the open file limit is 397,006.
'ls -l /proc/$(cat /var/run/asterisk/asterisk.pid)/fd | wc -l' says Asterisk
only has 2,194 files open.
'iftop' sees about 24Mb of bandwidth in each direction between the boxes.
Using confbridge() I can easily get 3,000 calls (14,869 open files, 180Mb
bandwidth), but I'd lose some functionality and have to re-write parts of my
application.
Any clues of what limit I'm hitting and how to increase it?
|
DAHDI has a pseudo channel limit of 512, somebody has already posted
how to change it with modprode.
--
Paul Belanger | PolyBeacon, Inc.
Jabber: paul.belanger@polybeacon.com | IRC: pabelanger (Freenode)
Github: https://github.com/pabelanger | Twitter: https://twitter.com/pabelanger
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
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asterisk.org at sedwar...
Guest
|
| Posted: Fri Mar 21, 2014 7:13 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
On Fri, 21 Mar 2014, Paul Belanger wrote:
| Quote: | DAHDI has a pseudo channel limit of 512, somebody has already posted how
to change it with modprode.
|
Not in this thread, but big thanks for the clue. Googling 'dahdi pseudo
channel limit modprobe' showed the secret sauce.
I can get 1,000 simultaneous callers in 100 meetmes with only an
occasional crackle -- way over my 500 target.
Since DAHDI has a default limit of 512 and I was peaking out at 312
callers in 100 meetmes, that implies each caller takes a DAHDI channel and
each meetme takes 2. Is that about right?
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users |
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asterisk.org at sedwar...
Guest
|
| Posted: Fri Mar 21, 2014 7:29 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
On Fri, 21 Mar 2014, Steve Edwards wrote:
| Quote: | Googling 'dahdi pseudo channel limit modprobe' showed the secret sauce.
|
Oops. Guess I should complete the thread...
You can set the DAHDI pseudo channel limit in /etc/modules.conf:
options dahdi max_pseudo_channels=x
or you can set it from the command line like:
echo x >/sys/module/dahdi/parameters/max_pseudo_channels
It appears you need 1 DAHDI pseudo channel per caller and 2 pseudo
channels per meetme.
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
asterisk-users mailing list
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stotaro at totarotechn...
Guest
|
| Posted: Fri Mar 21, 2014 7:48 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
Is there any good documentation on that process?
On Fri, Mar 21, 2014 at 3:36 PM, John Novack <jnovack@stromberg-carlson.org (jnovack@stromberg-carlson.org)> wrote:
| Quote: |
Steve Edwards wrote:
| Quote: | On Fri, 21 Mar 2014, Adrian Serafini wrote:
| Quote: | Upgrade to 1.4? hehe, I thought you were the self proclaimed 1.2 luddite? I'm a big fan of older releases with 1 year plus of uptime.
|
Yep, that's me
I'm trying to make the leap from 1.2 to 11.8.1
|
That is a HUGE leap
Watch out for whiplash!
John Novack
--
Dog is my Co-pilot
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users
|
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asterisk.org at sedwar...
Guest
|
| Posted: Fri Mar 21, 2014 8:06 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
| Quote: | | Quote: | On Fri, 21 Mar 2014, Steve Edwards wrote:
|
|
| Quote: | | Quote: | I'm trying to make the leap from 1.2 to 11.8.1
|
|
On Fri, 21 Mar 2014, Steve Totaro wrote:
| Quote: | Is there any good documentation on that process?
|
I haven't looked. I know they added a few of variables to the AGI
environment Asterisk passes to your AGI on STDIN.
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
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EWieling at nyigc.com
Guest
|
| Posted: Fri Mar 21, 2014 8:06 pm Post subject: [asterisk-users] Need more meetme users -- hitting some limi |
|
|
In no specific order:
Download the Asterisk tarball you want to use and study all the UPGRADE*.txt files included in it.
Buy or download the latest ATFOT book, study it.
Install Asterisk into a test box, even a VM is OK for testing, study the output of "core show applications" and "core show functions".
Study the relevant .sample config files included in the Asterisk tarball
Don't think of it as upgrading, think of it as replacing.
-----Original Message-----
From: asterisk-users-bounces@lists.digium.com [mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Steve Totaro
Sent: Friday, March 21, 2014 8:48 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Need more meetme users -- hitting some limit
Is there any good documentation on that process?
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
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