[Blink] Audio Delay

Mon Sep 5 22:49:36 CEST 2011

By the way
I did want to work out this problem, but all I kept being told was it was 
- my internet connection- my asterisk server
Even after repeatedly saying i've been on 3 sites now, that already have PC laptops connected to this asterisk system for the past 3 years with no problem.
Hell, my sales director uses Windows 7 and qutecom on a USB stick on trains with shit loads of timeouts and still manages a clear phone call.
So - don't preach to me about wanting to find the source of the problem.

From: mgraves at mstvp.com
To: blink at lists.ag-projects.com
Date: Mon, 5 Sep 2011 14:07:50 -0500
Subject: Re: [Blink] Audio Delay

Nick,

You might have overcome your immediate problem, but you've passed up a significant opportunity. It sounds like you've learned nothing from this process.

Blink works fine on the Mac. Blink is use daily by thousands of people who don't report the trouble you've experienced. Unlike most SIP clients, Blink has the Mac as a significant focus, releasing on Windows later on.

There was something wrong with your installation. Think about the whole signal chain. Where could seconds of delay occur? Where does the RTP stream get buffered? That's a huge amount of delay!

Getting something to work is nice, even useful. Knowing why it works (or doesn't) is incredibly valuable.

Michael

--Original Message Text---

From: Nick o' las

Date: Mon, 5 Sep 2011 17:29:26 +0000

Hi

We already have a call centre setup since 2008 in a datacentre using an Astersik install and of course as I keep saying lots of windows clients using the box fine on very bad connections like USB sticks.

I found something called Jitsi; and with some help from somebody here called H (thank u) we've got a zero delay !

Yay!

CC: blink at lists.ag-projects.com

From: james.zeman at me.com

Date: Mon, 5 Sep 2011 11:47:21 -0500

To: blink at lists.ag-projects.com

Subject: Re: [Blink] Audio Delay

Nick,

You need to approach your troubleshooting in a different way.  You have indeed narrowed down to an issue with YOUR Blink install, but that doesn't mean it isn't a network issue or an asterisk issue that only manifests itself in the one software/equipment string.  With so many using Blink without an issue, you do understand that it could be anything from other software you have running on your Mac to a setup issue either on the Blink or Asterisk side settings (extension or otherwise) for that particular device? It seems you just keep throwing out the "1500 pound paperweight" emotional comment, as if that is supposed to help narrow down an issue.  

If you are setting up a call center, I would suggest you rethink your strategy.  I think you'll be far better off with a commercial solution with professional technical support rather than a piece-meal do-it-yourself (without the expertise to manage and maintain) attempt.

On Sep 5, 2011, at 10:13 AM, Nick o' las <crystalburner at hotmail.com> wrote:

Do you know how frustrating this is??!

Please tell me why you think the problem is the asterisk box when i've got a PC here that makes crystal clear calls all day long using the same server and login info on the same broadband link as this Mac that has the delay.

From: ag at ag-projects.com

Date: Mon, 5 Sep 2011 17:11:52 +0200

To: blink at lists.ag-projects.com

Subject: Re: [Blink] Audio Delay

Someone with enough technical knowledge in Asterisk located on your premisses is likely the only person who can help.  

Adrian

On Sep 5, 2011, at 5:03 PM, Nick o' las wrote:

That's what you keep saying. 

That's what Apple say.

Why do the PCs work fine?

It just can't be a network issue can it? Can you tell me how it can when we've run this business 3 years with PCs which are still working fine and I can't get this s/w to work in 3 locations now - delay delay delay.

It just isn't the connection or the server, if it was the rest of my staff would have the same problems, suzanne my sales manager is happily chatting away all day long today fine. It's only me with the delay.

I can't see how you can blame anything other than the MAC and / or it's SW

I really need some proper help, if I can't get it I have to sell this and buy a Sony VAIO or something I don't want to do that, I want to keep this, but I can't work on it...

Is there anything else you can do to help? Sensible answer only please

From: ag at ag-projects.com

Date: Mon, 5 Sep 2011 16:59:23 +0200

To: blink at lists.ag-projects.com

Subject: Re: [Blink] Audio Delay

You are blaming Apple, Blink/Telephone but based on my experience you are on the wrong track.

You need someone technical with experience in IP networks and/or Asterisk to find the cause for your problem at your location.

This mailing list will most likely not be able to help you as the problem has to do with your local network Asterisk setup rather than your computer.

On Sep 5, 2011, at 4:04 PM, Nick o' las wrote:

Hi everyone 

I'm at a 3rd location today, central to a large town, it's one of our offices.

I have 2 people here working fine on SIP phones using Windows and Qutecom, today Im trying the macbook air / lion 10.1.7 again and the same problem, delay of about 3 seconds making the calls almost impossible

As this is the 3rd location I've tried, and telephone also doesn't work (no delay but choppy), it has to be a problem either with the soft phones or the OS. Apple are blaming the soft phones of course. 

Speedtest here shows 11meg down and 1 meg up, jitter test shows grade B line, excellent.

Here is the trace again for the last call, 3 sec delay. 

Once again my acer laptop works fine here, it's just the mac. Desperate for a fix as I travel in 4 weeks and this mac and blink will be going in the bin and i'll be writing off 1500 pounds :( don't want to do that can anyone help me?

(help me without blaming my connection, this is the 3rd location, the acer windows 7 machine works fine again here)

New Audio session From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4

Audio RTP endpoints 172.16.216.1:8006 <-> 78.129.213.164:9282

Audio session established using "GSM" codec at 8000Hz

Remote SIP User Agent is "Asterisk PBX"

2011-09-05 14:53:47 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.0%, jitter RX/TX=0/0 ms

2011-09-05 14:53:51 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.0%, jitter RX/TX=3/0 ms

2011-09-05 14:54:01 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.3%, jitter RX/TX=5/0 ms

2011-09-05 14:54:15 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.1%, jitter RX/TX=5/0 ms

2011-09-05 14:54:21 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.1%, jitter RX/TX=5/0 ms

2011-09-05 14:54:31 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.1%, jitter RX/TX=5/0 ms

2011-09-05 14:54:41 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.1%, jitter RX/TX=5/0 ms

2011-09-05 14:54:51 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.1%, jitter RX/TX=4/0 ms

2011-09-05 14:55:01 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.3%, jitter RX/TX=4/0 ms

2011-09-05 14:55:11 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.3%, jitter RX/TX=5/0 ms

2011-09-05 14:55:21 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.3%, jitter RX/TX=5/0 ms

2011-09-05 14:55:31 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.3%, jitter RX/TX=5/0 ms

2011-09-05 14:55:41 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.7%, jitter RX/TX=5/0 ms

2011-09-05 14:55:51 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.7%, jitter RX/TX=5/0 ms

2011-09-05 14:56:01 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.8%, jitter RX/TX=5/0 ms

2011-09-05 14:56:11 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.7%, jitter RX/TX=5/0 ms

2011-09-05 14:56:21 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.7%, jitter RX/TX=5/0 ms

2011-09-05 14:56:31 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.7%, jitter RX/TX=5/0 ms

2011-09-05 14:56:41 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.7%, jitter RX/TX=5/0 ms

2011-09-05 14:56:51 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.8%, jitter RX/TX=5/0 ms

2011-09-05 14:57:01 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.7%, jitter RX/TX=5/0 ms

2011-09-05 14:57:11 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.8%, jitter RX/TX=5/0 ms

2011-09-05 14:57:21 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.7%, jitter RX/TX=5/0 ms

2011-09-05 14:57:31 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.7%, jitter RX/TX=5/0 ms

2011-09-05 14:57:41 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.7%, jitter RX/TX=5/0 ms

2011-09-05 14:57:51 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.7%, jitter RX/TX=5/0 ms

2011-09-05 14:58:01 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.6%, jitter RX/TX=5/0 ms

2011-09-05 14:58:11 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.6%, jitter RX/TX=5/0 ms

2011-09-05 14:58:23 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.6%, jitter RX/TX=5/0 ms

2011-09-05 14:58:31 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.6%, jitter RX/TX=5/0 ms

2011-09-05 14:58:41 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.6%, jitter RX/TX=5/0 ms

2011-09-05 14:58:51 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.5%, jitter RX/TX=5/0 ms

2011-09-05 14:59:01 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.5%, jitter RX/TX=5/0 ms

2011-09-05 14:59:11 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.5%, jitter RX/TX=5/0 ms

2011-09-05 14:59:21 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.5%, jitter RX/TX=5/0 ms

2011-09-05 14:59:31 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.5%, jitter RX/TX=5/0 ms

2011-09-05 14:59:41 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.5%, jitter RX/TX=5/0 ms

2011-09-05 14:59:51 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.5%, jitter RX/TX=5/0 ms

2011-09-05 15:00:01 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.5%, jitter RX/TX=5/0 ms

2011-09-05 15:00:11 From: "01179774759" <sip:01179774759 at 78.129.213.164:5065>;tag=as41b664e4: RTT=0 ms, packet loss=0.5%, jitter RX/TX=5/0 ms

> From: agentm at themactionfaction.com

> Date: Fri, 2 Sep 2011 10:41:42 -0400

> To: blink at lists.ag-projects.com

> Subject: Re: [Blink] Audio Delay

> 

> 

> On Sep 2, 2011, at 9:59 AM, Nick o' las wrote:

> 

> > 

> > Just to let you know,telephone for mac - no delay but dalek sounding voices part of the timeblink - pefect call quality but with a delay that is between 1-3 secondsif it helps, i doubt it tho, its my internet connection right?

> 

> Can you eliminate the headset from the equation? Perhaps it is not working well on OS X.

> 

> Cheers,

> M

> 

> _______________________________________________

> Blink mailing list

> Blink at lists.ag-projects.com

> http://lists.ag-projects.com/mailman/listinfo/blink

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