Re: [asterisk-users] VOIP Monitoring tools........

2010-04-25 Thread Paddy Grice
Hi
 
I use ADSL and SDSL on a lot of multi channel VoIP connections SIP and H323
and no real problems if you size the link correctly - this normally means
limiting no of calls to match available bandwidth.
 
Check out the upstream and downstream data rates and size on the smaller -
normally the upstream. the thing that is not normally explained is the
contention ratio at the local exchange. here in the UK residential broadband
packages normally have a contention ratio of 50:1 so at peak you could be
fighting with 49 other users. Contention ratios for business DSL packages
can vary from 1:1 to typically 20:1.
 
To monitor I use wireshark and look at packet loss on RTP. 
 
My home adsl connection is 7M downstream / 800K upstream with a 10:1
contention.I can normally get 20 x G729 channels without a problem much more
and things get stressed - also I have to watch what other things are going
on - downloads not too much of a problem because of the unbalanced
downstream/upstream speeds but peer to peer stuff is a real killer!
 
Paddy
 
 
 
 
 
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From: asterisk-users-boun...@lists.digium.com
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of mike mosier
Sent: 25 April 2010 02:24
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] VOIP Monitoring tools


Hey all
 
What VoIP networking monitoring, asterisk monitoring tools would you
recommend? I started working with an IT company that insists on using DSL
with a Sonicwall router. The problem is that the clients are having sound
problems. The owner is convinced that it's the Asterisk box. In the 4 yrs I
have been doing this I have not had this bad a sound problem and it always
came down to a bad setup in the Cisco router. Asterisk just doesn't have
sound problems so I am going to have to convince him that its either the
router or DSL. Has anyone used DSL for SIP traffic? How about Sonicwall
routers?
 
Michael D Mosier

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Re: [asterisk-users] Jitter Buffer and MeetMe.

2010-04-25 Thread russian qwerty
Hello, David.

Thank you for reply. But my problem is certainly in the size of JitterBuffer
of chan_local. I realy need to know how to change the size of JB (reduce).

BTW:
1. The file /etc/asterisk/dsp.conf doesn't exist in my Asterisk 1.6.0.6
(something wrong?).
2. VAD is already disable for all trunks.
3. And 'talker optimization' future is already disable by patch for
app_meetme.c.

2010/4/25 David Backeberg 

> On Fri, Apr 23, 2010 at 4:34 PM, russian qwerty
>  wrote:
> > Hello.
> >
> > As I see, there are a lot of threads about jitter buffer... Maybe anybody
> > knows something about my case? Any help will be appreciate.
> >
> > So, the problem with voice quality was completely solved, BUT some
> customers
> > have informed me about big latency. It's really hard to make dialogue
> with
> > current latency.
>
> You're on the right track here, but I don't think your problem is
> jitter. I think your problem is VoIP and voice activity detection, and
> depending on your version of asterisk, MeetMe conference 'talker
> optimization'.
>
> I've posted all of this before. Here goes again...
>
> * 'talker optimization' should be disabled on MeetMe() conferences.
> * /etc/asterisk/dsp.conf set silencethreshold=1024
> * /etc/asterisk/codecs.conf set vad=>false
>
> Give those a try, restart or reload asterisk to apply changes, and
> tell us if it fixes it.
>
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[asterisk-users] Asterisk 1.6, dialplans, and IVR

2010-04-25 Thread Greg Banschbach
Hi,

I have read the docs, and now I want to attempt to setup Asterisk 1.6.  I 
am not going to complicate it with load balancing, etc. The setup is just 1 SIP 
line - no other in-house connections. All inbound traffic. I intend to keep 
this simple.  Imagine that I sell pies in my neighborhood.. I want to make it 
easy to order them. So I create a dialplan to receive a call, record the caller 
id/ANI and time stamp, pickup the call, enter the IVR function ( play the 
"Press 1 for Apple, 2 for Cherry, 3 Blueberry"), get the button presses/input, 
and hangup. Later, I can get fancy, with order confirmation, etc. What I want 
to know is this:  As inbound call volume increases, and my 1 server begins to 
struggle, do I:
1.  Add a second server that just does IVR?  Is that a very advanced AGI thing?
2.  Add a second server that offloads other CPU intensive functions?
3.  Just keep it simple, add a 2nd server that is a clone of the first, and 
load balance the calls - especially if you may bring UltraMonkey and *maybe* 
DRBD (shared disk/iSCSI) into the picture in the future?

BTW, I am a Unix SA by trade, and so I am not a complete newbie.  It seems like 
the easy answer is  #3, ESPECIALLY if you are already busy with IT functions, 
plus baking the pies!

Thanks very much in advance.


Greg Banschbach  


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[asterisk-users] How to debug the problem of Asterisk using so much of CPU percentage...?

2010-04-25 Thread bruce bruce
Hi Everyone,

How is this possible? How can I go about debugging this? I think that the
sound chopping and choking is also related to this. I have never seen
Asterisk show 43% of cpu usuage when there is only one call going. It
actually flactuates down to 11% and up to 43%.

Please guide me as to where to look at?


PID USER  PR  NI  VIRT  RES  SHR S %CPU %MEMTIME+  COMMAND
 2111 asterisk  17   0 40992  17m 8064 S 43.5  1.0 853:53.66 asterisk


Thanks,
Bruce
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Re: [asterisk-users] How to debug the problem of Asterisk using so much of CPU percentage...?

2010-04-25 Thread Greg Banschbach
Please take a few minutes, and fill us in on a few things:  Which version of 
Asterisk, what codec if any,
server hardware ( Make (HP/Dell/IBM) Model, CPU ( single or multicore, speed ), 
and any other pertinent info you can think of.  Just trying to help you get a 
more informed answer.

Good Luck,
Greg






From: bruce bruce 
To: Asterisk Users Mailing List - Non-Commercial Discussion 

Sent: Sun, April 25, 2010 11:59:51 AM
Subject: [asterisk-users] How to debug the problem of Asterisk using so much of 
CPU percentage...?


Hi Everyone,

How is this possible? How can I go about debugging this? I think that the sound 
chopping and choking is also related to this. I have never seen Asterisk show 
43% of cpu usuage when there is only one call going. It actually flactuates 
down to 11% and up to 43%.

Please guide me as to where to look at?


PID USER  PR  NI  VIRT  RES  SHR S %CPU %MEMTIME+  COMMAND
 2111 asterisk  17   0 40992  17m 8064 S 43.5  1.0 853:53.66 asterisk


Thanks,
Bruce


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Re: [asterisk-users] Asterisk and Archlinux

2010-04-25 Thread Motiejus Jakštys
I did use it for my first asterisk installation, but I moved to Debian
due to things I disliked in arch as a server distro.

I did not and still do not use Dahdi at all
(http://www.voip-info.org/wiki/view/Asterisk+cmd+ConfBridge).

I compiled everything from source without PKGBUILDS, since they are
quite annoyting when talking about re-compiling of a package.

On Sun, Apr 25, 2010 at 12:16 AM, ik  wrote:
> On Sat, Apr 24, 2010 at 21:19, Christian  wrote:
>>
>> Hi all,
>> Is anyone here using Asterisk on Archlinux?
>
> Yes and no, I do use it on Archlinux for testing purpose but not as a
> server.
> Arch linux is not built to be a server distro, unlike Debian that have extra
> steps for process handling, like restarting a service that was just updated
> and more.
>
>>
>> If so, was it much to do in order for it to work?
>
> You need to either use the AUR builds or download the ABS information and
> build it for yourself. Personally I use the yaourt tool as a pacman front
> end.
>
>>
>> Do you also use Dahdi?
>
> Like any other Asterisk it must have a dahdi module, at least dahdi_dummy.
>
>>
>> many thanks,
>> Christian
>>
>>
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>
> Ido
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Re: [asterisk-users] VoIP monitoring tools

2010-04-25 Thread Motiejus Jakštys
Hi,
On Sun, Apr 25, 2010 at 5:06 AM, mike mosier  wrote:
> Howdy all
>
> 1. does  anyone know a good voip / sip / qos monitoring tool?

Wireshark is quite good at it
http://wiki.wireshark.org/VoIP_calls
However I could only find it good for "debugging", not monitoring
(tcpdump the whole RTP stream is too expensive for me:)

Another notable piece of software (however proprietary and quite
costly) is VQManager.

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[asterisk-users] Michael Wegner

2010-04-25 Thread mir shahnawaz
http://www.villasantilles.com/home.php

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[asterisk-users] DAHDI Congestion cause 34

2010-04-25 Thread Chris Datfung
Hi,

I'm running Asterisk SVN-trunk-r226890 and whenever I restart asterisk and
try to make a call I get the following error message:


 -- Executing [6781...@default:1] Dial("IAX2/iaxy-7477",
"DAHDI/g1/96781948") in new stack
[Apr 25 13:00:10] WARNING[3772]: app_dial.c:1806 dial_exec_full: Unable to
create channel of type 'DAHDI' (cause 34 - Circuit/channel congestion)
  == Everyone is busy/congested at this time (1:0/1/0)
-- Auto fallthrough, channel 'IAX2/iaxy-7477' status is 'CONGESTION'


Restarting DAHDI does not help, for somehow after several hours the problem
fixes itself and I can make calls again. Any ideas on what is wrong? FWIW,
the phone line is not in use and I'm the only user.

Thanks,
  Chris
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Re: [asterisk-users] DAHDI Congestion cause 34

2010-04-25 Thread Tzafrir Cohen
On Sun, Apr 25, 2010 at 08:37:22PM +0300, Chris Datfung wrote:
> Hi,
> 
> I'm running Asterisk SVN-trunk-r226890 and whenever I restart asterisk and
> try to make a call I get the following error message:
> 
> 
>  -- Executing [6781...@default:1] Dial("IAX2/iaxy-7477",
> "DAHDI/g1/96781948") in new stack
> [Apr 25 13:00:10] WARNING[3772]: app_dial.c:1806 dial_exec_full: Unable to
> create channel of type 'DAHDI' (cause 34 - Circuit/channel congestion)
>   == Everyone is busy/congested at this time (1:0/1/0)
> -- Auto fallthrough, channel 'IAX2/iaxy-7477' status is 'CONGESTION'
> 
> 
> Restarting DAHDI does not help, for somehow after several hours the problem
> fixes itself and I can make calls again. Any ideas on what is wrong? FWIW,
> the phone line is not in use and I'm the only user.

What device is that?

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http://www.xorcom.com  iax:gu...@local.xorcom.com/tzafrir

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Re: [asterisk-users] DAHDI Congestion cause 34

2010-04-25 Thread Chris Datfung
On Sun, Apr 25, 2010 at 8:43 PM, Tzafrir Cohen wrote:

> On Sun, Apr 25, 2010 at 08:37:22PM +0300, Chris Datfung wrote:
> > Hi,
> >
> > I'm running Asterisk SVN-trunk-r226890 and whenever I restart asterisk
> and
> > try to make a call I get the following error message:
> >
> >
> 
> >  -- Executing [6781...@default:1] Dial("IAX2/iaxy-7477",
> > "DAHDI/g1/96781948") in new stack
> > [Apr 25 13:00:10] WARNING[3772]: app_dial.c:1806 dial_exec_full: Unable
> to
> > create channel of type 'DAHDI' (cause 34 - Circuit/channel congestion)
> >   == Everyone is busy/congested at this time (1:0/1/0)
> > -- Auto fallthrough, channel 'IAX2/iaxy-7477' status is 'CONGESTION'
> >
> 
> >
> > Restarting DAHDI does not help, for somehow after several hours the
> problem
> > fixes itself and I can make calls again. Any ideas on what is wrong?
> FWIW,
> > the phone line is not in use and I'm the only user.
>
> What device is that?
>

Sorry about that.

lab:~# cat /proc/dahdi/1
Span 1: WCFXO/0 "Wildcard X101P Board 1" (MASTER)

   1 WCFXO/0/0 FXSKS (In use) (SWEC: MG2)

Is there any other info that would be helpful to debug?

Thanks,
  Chris
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[asterisk-users] hardware clock drift and CDR

2010-04-25 Thread Vieri
Hi,

I've noticed that one of my new servers (new mobo) if drifting slowly backwards 
in time (in aprox. 24 hours, system time drifts back 5 minutes).

I have an ntpd process which is supposed to sync with a lan time server but 
it's not quite working. So I'm launching a manual ntpdate or ntp-client once an 
hour and that seems to work.

However, suppose I update system time at every hour and it sets +1 minute (due 
to a -1 minute drift). Suppose a call is dialed at 03:58 and lasts 4 "real" 
minutes. According to the updated system time, the call will have lasted 5 
minutes (4+1 drift).

How does Asterisk CDR count the duration/billsec values?
Does it rely on system time ONLY for "call start" or also for "call end"?

What Asterisk-related side-effects should I expect from a drifting clock?

Thanks

Vieri



  

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[asterisk-users] SIP gain

2010-04-25 Thread Vieri
Hi,

Are SIP gain parameters available in Asterisk 1.4/1.6?

I'm wondering if I can increase transmission gain on SIP channels.

Vieri



  

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Re: [asterisk-users] VoIP monitoring tools

2010-04-25 Thread Gordon Henderson
On Sat, 24 Apr 2010, Michael Wilson wrote:

> I think DSL is 1/2 duplex and in most cases way to slow on the way Up for 
> VOIP.

Not sure what country you're in, but DSL in the UK is full duplex and more 
than capable of handling VoIP, as I'm sure the millions of users who use 
it would attest. My own ADSL outgoing is 830Kb/sec and many of my 
customers enjoy 1.2Mb/sec outging. (With up to 24Mb incoming)

Speed usually isn't the issue, and it's a trivial calculation that we all 
ought to be aware of to work out how many channels a given speed DSL line 
can handle..

The biggest issue I've had in the UK has been using shite quality ISPs. 
Get a good business quality ISP, then a good router which can do outbound 
traffic shaping and you're in with a fighting chance.

The only half duplex connections I've used in recent years have been Wi-Fi 
- which looks like full duplex, but is really half duplex at the link 
layer.

For the OP: Your biggest hurdle is going to be working out how your 
countrys DSL backhaul to the ISP works, and then which ISP to choose, or 
if it's ISP controlled all the way with not choice from the exchange, just 
how good they are and what sort of contention they impose on their DSL 
network.

Gordon

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Re: [asterisk-users] hardware clock drift and CDR

2010-04-25 Thread Gordon Henderson
On Sun, 25 Apr 2010, Vieri wrote:

> Hi,
>
> I've noticed that one of my new servers (new mobo) if drifting slowly 
> backwards in time (in aprox. 24 hours, system time drifts back 5 
> minutes).
>
> I have an ntpd process which is supposed to sync with a lan time server 
> but it's not quite working. So I'm launching a manual ntpdate or 
> ntp-client once an hour and that seems to work.

If you can run ntpdate and it sets the time, then you are not running 
ntpd. The 2 can not run at the same time.

So I'd start by fixing ntpd. It really is the best way forward.

> However, suppose I update system time at every hour and it sets +1 
> minute (due to a -1 minute drift). Suppose a call is dialed at 03:58 and 
> lasts 4 "real" minutes. According to the updated system time, the call 
> will have lasted 5 minutes (4+1 drift).
>
> How does Asterisk CDR count the duration/billsec values? Does it rely on 
> system time ONLY for "call start" or also for "call end"?
>
> What Asterisk-related side-effects should I expect from a drifting 
> clock?

Who cares. Just fix ntpd then your worys are gone.

Gordon

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[asterisk-users] CONNECTEDLINE(), progressinband=no and 183 before 180 (with latest trunk)

2010-04-25 Thread crjw
I don't expect my SIP provider to provide useful "Remote-Party-ID" information.
Therefore, I am using "CONNECTEDLINE(num)=xxx" AND "CONNECTEDLINE(name)=yyy" to 
populate remote party information from a local database.
I am also using the "I" (upper case "i") option for Dial.
Generally I like to see to see the remote party name appear on the phone's 
display as soon as a call is dialed... even if the the remote party is BUSY.
I ran into a problem where the Remote-Party-ID does not get displayed on the 
caller's phone until the remote phone is answered.
I finally tracked this down to several things:
a) My SIP provider sends "183 Session Progress" and inband ringback prior to 
sending a "180 Ringing".
b) The default sip.conf file that ships with asterisk suggests using 
"progressinband=no" for polycom phones.
c) The "progessinband=no" setting prevents the "180 Ringing" from being 
forwarded to the phone if it is received after the "183 Session Progress".
d) Called-Parity-ID appears to be only sent to the phone with "180 Ringing" and 
"200 OK" responses.
# this the sequence of events that transpire:
-caller places call
-asterisk receives "183 Trying" from SIP provider and forwards it to the 
caller's phone
-asterisk receives inband ringback from SIP provider and forwards it to the 
phone (RTP)
-asterisk receives "180 Ringing" from SIP provider but does "not" forward it to 
the phone.
-asterisk continues to receive more inband ringback from SIP provider and it 
continues to forward it to the phone (RTP)
-remote party answers the phone
-asterisk receives "200 OK" from SIP provider; asterisk inserts 
"Called-Party-ID" and then forwards it to the calling phone.
-the display on the caller's phone is finally updated; ringback stops and 
someone at the other end says "hello".
There are two workarounds which will make the Called-Party-ID show up on the 
phone before the call is answered:
i) Use "progressinband=never" even though the default sip.conf file recommends 
against it.
The recommendation is presumably based on some old bugs in the Polycom phones 
that no longer exists.
I am using recent Polycom firmware and did not notice any bugs.
Note however that the the display on the phone won't be updated if the remote 
phone is "BUSY", which in my case is not ideal.
ii) Use the "r" option to "Dial". e.g. Dial(SIP/${ext...@x,300,Ir);
This has the advantage of updating the phone very quickly without waiting for 
any respones from the SIP provider.
This may have side effects: ringback could hypothetically be produced when it 
shouldn't be.
Questions:
Is there a reason why "Remote-Party-ID" is not sent to the phone as part of the 
"183 Trying" message?
Could this be a configurable option?
Should the example sip.conf file continue to recommend "progressinband=no" for 
Polycom phones?
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Re: [asterisk-users] Asterisk not recognizing ACK from an OK message?Help debuging SIP retransmit problem

2010-04-25 Thread Alejandro Recarey
On Sat, Apr 24, 2010 at 7:01 AM, David White  wrote:
>
> call-id doesn't match?
>
> SIP/2.0 200 OK
> ...
> Call-ID: 2117388659-506...@82.158.83.xxx
> ...
> ACK sip:6615xx...@130.117.xxx.xxx SIP/2.0
> ...
> Call-ID: 2117388659-506...@192.168.1.100
> ...
>
> I'm not sure, but I think that the part after the '@' must also match 
> throughout the dialog.  A Grandstream bug?

Thanks! It might be a bug, I'll contact Grandstream and post again if
it turns out to be a bug.

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[asterisk-users] Does 'file' command work with asterisk genereted alaw file

2010-04-25 Thread Pham Quy
Hi,

I record an alaw file by asterisk's record monitor command, and i  use
linux's file command to check it information.

file command recognized the alaw file as "DATA", is it correct?

Quyps


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Re: [asterisk-users] Does 'file' command work with asterisk genereted alaw file

2010-04-25 Thread Tilghman Lesher
On Sunday 25 April 2010 23:22:21 Pham Quy wrote:
> I record an alaw file by asterisk's record monitor command, and i  use
> linux's file command to check it information.
>
> file command recognized the alaw file as "DATA", is it correct?

The file command works by recognizing certain header data in a file.  As the
alaw format has no header, that command won't recognize the data as
any particular format, so it tells you "DATA" as its fallback.

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Tilghman Lesher
Digium, Inc. | Senior Software Developer
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Re: [asterisk-users] Swaping out phones.

2010-04-25 Thread Jose Flores Galicia
Hi Tony.

Maybe you have already resolv this. I suppose the new phone is not
registering so the peers table isn't updated.
You may check if, when phone is turned on sends an registration request.

Best Regards
Jose Flores Galicia
<>
BriefCode && Code Based Training


2010/4/22 Tony LaMear 

>  I have a quick question. I am using Asterisk 1.4. I have a user that has
> changed phones (grandstream budge tone 200 to a polycom 330). I have changed
> the sip.conf and extensions.conf. I have also unplugged the old phone and
> plugged in the new phone. I get the ext showing on the phone, but when I do
> a sip show peer 5000 the old ip address and phone show up. I did a sip
> reload and a dialplan reload. Any other ideas?
>
>
>
> Thanks
>
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