Author Topic: Voice Quality Statistics report  (Read 3842 times)

Offline dporod

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Voice Quality Statistics report
« on: November 29, 2018, 02:46:41 PM »
Hi, can anyone explain the Voice Quality Statistics report? I don't understand how there can be a zero in the packet loss column but a 204 in the Packet Loss Max. Burst column.



« Last Edit: November 29, 2018, 02:50:51 PM by dporod »


Offline acejavelin

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Re: Voice Quality Statistics report
« Reply #1 on: November 29, 2018, 05:54:36 PM »
Last Report=No

This is only a snippet of the call, there was packet loss prior to this sample perhaps?

Offline VinceWhirlwind

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Re: Voice Quality Statistics report
« Reply #2 on: November 29, 2018, 09:50:57 PM »
For each call, there is 1 line for every 5000 packets.
I would expect the "Packet Loss" to show you the total number of packets lost out of that 5000.
The "Max Burst" should show you the longest sequence of lost packets - this is often a bunch of packets that is not received during the slight amount of time in between when one endpoint connects or disconnects and when the opposite endpoint does the same.
"Packet loss 1 Pkt" should show you the total number of single packet loss events (ie, where a lost packet was preceded AND succeeded by a non-lost packet).
The rest of the packet loss stats give you, per column, the number of times of 2-packets lost in sequence, 3 packets lost in sequence, etc...
(This is useful because the pattern of packet loss often hints at what problem might have caused it).
 
I think I agree with the OP.
The two columns we can see on the right add up to 302 packets lost, so the "Packet Loss" should show a minimum of "302", plus any other packets lost that we don't know about it because they aren't shown in the screen shot.

Offline dporod

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Re: Voice Quality Statistics report
« Reply #3 on: December 04, 2018, 11:25:30 AM »
I'm attaching a spreadsheet showing an entire call. I do not understand why there are discrepancies in the packet loss columns.

Offline dporod

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Re: Voice Quality Statistics report
« Reply #4 on: December 05, 2018, 08:45:11 AM »
Not which of these is the software version. I'm new to Mitel. We are working on QoS issues but I don't know if I can trust this report.



Release level: 8.0 SP3 PR2
Active software load: 14.0.3.37

Offline dporod

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Re: Voice Quality Statistics report
« Reply #5 on: February 20, 2019, 09:26:49 AM »
Does anyone rely on this report? It would be nice if I could as each phone is basically a data collector on the network. Is there a way to talk with Mitel directly? Really do not like this support model of having to go through a 3rd party.

Offline acejavelin

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Re: Voice Quality Statistics report
« Reply #6 on: February 20, 2019, 09:58:43 AM »
Does anyone rely on this report? It would be nice if I could as each phone is basically a data collector on the network. Is there a way to talk with Mitel directly? Really do not like this support model of having to go through a 3rd party.
Only for basic troubleshooting... For more indepth capturing of information, use Mitel's IP Phone Analyzer application. You set it up on a separate PC and add that PC's IP address to DHCP option 125, phones then report back to that PC running Mitel's software. It is actually a fantastic tool, but I haven't had a need for it in years. 

Offline VinceWhirlwind

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Re: Voice Quality Statistics report
« Reply #7 on: February 20, 2019, 05:19:21 PM »
You can also web-browse to the phone itself and use its in-built troubleshooting tools.

Offline dporod

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Re: Voice Quality Statistics report
« Reply #8 on: February 21, 2019, 09:09:48 AM »
Only for basic troubleshooting... For more indepth capturing of information, use Mitel's IP Phone Analyzer application. You set it up on a separate PC and add that PC's IP address to DHCP option 125, phones then report back to that PC running Mitel's software. It is actually a fantastic tool, but I haven't had a need for it in years.
[/quote]

Thank you, where you normally download the IP Phone Analyzer from? Mitel?

Offline dporod

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Re: Voice Quality Statistics report
« Reply #9 on: February 21, 2019, 09:12:19 AM »
You can also web-browse to the phone itself and use its in-built troubleshooting tools.

I tried http://10.5.44.75 and https://10.5.44.75 but just get an unable to connect browser message. Am I using the right url?

Offline acejavelin

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Re: Voice Quality Statistics report
« Reply #10 on: February 21, 2019, 10:14:37 AM »


Thank you, where you normally download the IP Phone Analyzer from? Mitel?
Yes... Software Download Center -> MiVoice Business



Sent from my Moto G (5) Plus using Tapatalk


Offline august

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Re: Voice Quality Statistics report
« Reply #11 on: February 22, 2019, 08:03:05 AM »
You can also web-browse to the phone itself and use its in-built troubleshooting tools.

I tried http://10.5.44.75 and https://10.5.44.75 but just get an unable to connect browser message. Am I using the right url?

Ensure to enable the Web UI from the MiVoice Business maintenance command line and add the
following commands:
• pd send <extension> enable_web
• pd send <extension> disable_web

Offline dporod

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Re: Voice Quality Statistics report
« Reply #12 on: February 22, 2019, 04:25:35 PM »


Thank you, where you normally download the IP Phone Analyzer from? Mitel?
Yes... Software Download Center -> MiVoice Business



Sent from my Moto G (5) Plus using Tapatalk



Hi, for the life of me I can't find the download site on mitel.com

Offline acejavelin

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Re: Voice Quality Statistics report
« Reply #13 on: February 22, 2019, 04:30:22 PM »


Thank you, where you normally download the IP Phone Analyzer from? Mitel?
Yes... Software Download Center -> MiVoice Business



Sent from my Moto G (5) Plus using Tapatalk



Hi, for the life of me I can't find the download site on mitel.com
You have to login to connect.mitel.com

You must be a vendor or certified technician.

Sent from my Moto G (5) Plus using Tapatalk


Offline VinceWhirlwind

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Re: Voice Quality Statistics report
« Reply #14 on: February 24, 2019, 08:13:10 PM »
On the other hand, if you are investigating "QoS issues", then this is pretty much out of the control of the phone system anyway, except for:
 - the DHCP option given to the phone contains both Layer2 (CoS) and Layer3 (DSCP) values - make sure these are right.
 - the controller similarly should have these same codes on it.
 
Anything else to do with QoS, you should be looking at the network: find the bottlenecks, ensure QoS is configured to prioritise the values the phones are using.


 

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