Re: FW: RTP Statistics -> line saying you can get the delay, jitter, bandwidth, etc.

[capricorn 80 <cool_capricorn80 () hotmail com>]

Yes :)

 

Martin i guess its you in this discussion:

 

http://www.mail-archive.com/wireshark-users () wireshark org/msg02310.html

 

Please if you explain a example that will be very good. I badly need that.

 

I shall be very thankful to you.

 

Regards,


 


Date: Wed, 23 Jun 2010 18:26:58 +0100
From: martin.r.mathieson () googlemail com
To: wireshark-users () wireshark org
Subject: Re: [Wireshark-users] FW: RTP Statistics -> line saying you can get the delay, jitter, bandwidth, etc.

Hi,
Are you talking about the network roundtrip propagation delay, calculated using RTCP reports?
This uses the DLSR (Delay since Last SR) - wireshark does calculate this, as described in 6.4.1 of RFC 3550.

I did think about trying to add this to the RTP statistics a long time ago, but it wasn't obvious how to do it.

Martin



On Wed, Jun 23, 2010 at 6:07 PM, Anders Broman <a.broman () telia com> wrote:


Hi,
Not sure what you mean we do not calculate delay, what is DLSR?
Delay is the time it took the packet to travel from A to B right? That's not easy to calculate
with high accuracy.
Regards
Anders

capricorn 80 skrev 2010-06-23 17:52: 



Hi Anders!

I know about this RTP_statistics. 

The normal to calculate delay is 

Arrival time of frame 2 - Arrival time of frame 1 = Answer

Answer - DLSR to get the delay.


I dont see any example or values of delay on http://wiki.wireshark.org/RTP_statistics . So my question was how 
wireshark calculate this.

Regards,

Sajid 





From: anders.broman () ericsson com
To: wireshark-users () wireshark org
Date: Wed, 23 Jun 2010 15:37:50 +0200
Subject: Re: [Wireshark-users] FW: RTP Statistics -> line saying you can get the delay, jitter, bandwidth, etc.


http://wiki.wireshark.org/RTP_statistics
 
trunk/gtk/rtp_analysis.c http://anonsvn.wireshark.org/viewvc/trunk/gtk/rtp_analysis.c?view=log
:-)
/Anders



From: wireshark-users-bounces () wireshark org [mailto:wireshark-users-bounces () wireshark org] On Behalf Of capricorn 
80
Sent: den 23 juni 2010 15:23
To: wireshark-users () wireshark org
Subject: Re: [Wireshark-users] FW: RTP Statistics -> line saying you can get the delay, jitter, bandwidth, etc.



Anyone who can help me in this.

Regards,

Sajid



From: cool_capricorn80 () hotmail com
To: wireshark-users () wireshark org
Date: Tue, 22 Jun 2010 10:24:19 +0000
Subject: [Wireshark-users] FW: RTP Statistics -> line saying you can get the delay, jitter, bandwidth, etc.





From: cool_capricorn80 () hotmail com
To: wireshark-users () wireshark org
Subject: RTP Statistics -> line saying you can get the delay, jitter, bandwidth, etc.
Date: Mon, 21 Jun 2010 17:18:35 +0000



 Hi!

  The RTP statistics example contains line saying that we can get delay , jitter , bandwidth. I have seen in the 
example that the calculation is done for jitter and bandwidth. 

  Can any one describe about it ??

  Please I shall be very thanksful.

Regards,

Capricorn 



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