Contact US

Log In

Come Join Us!

Are you a
Computer / IT professional?
Join Tek-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Tek-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

QoS Logging for Call Manager - How to begin?

QoS Logging for Call Manager - How to begin?

QoS Logging for Call Manager - How to begin?

Hello all - I'm running CM 9.1

I have one user who is complaining of occasional echoing when she uses the phone. This user travels between 3 remote offices - let's call them Falls, Green and West, respectively. Her home office is Falls, her DN is bridged to phones at Green and West.

Network relationship:
Falls is an H.323 GW, which is slave to the NB location for phone. NB is an MGCP GW with a PRI.
Green is an H.323 GW, and has had no echoing problems there.
West is an H.323 GW, which is slave to the Frank location for phone. Frank is an MGCP GW with a PRI.
Each location is on it's own subnet, separate from Call Manager.
QoS is enabled on each location's router

As you can see, the "problem children" are the two slave locations (Falls and West). However, no one else at those locations has complained of call echoing at all.

I am somewhat uncertain of how to look for call quality issues. I know that jitter and delay play a part. What tools could I use to check for call quality?
I downloaded the CMR and CDR records from Call Manager, but I see nothing in terms of QoS. What about RTMT? I downloaded the admin guide for RTMT and search for QoS, but found only 2 small references.

Can anyone tell me how to begin? What should I be looking for?

RE: QoS Logging for Call Manager - How to begin?

CM does a pretty basic job of doing QOS reporting. First off it needs to be manually configured to even tag the data. Secondly you need something like Prime Collaboration to really dive into it.

I would start basic and find out is it just 1 number or is it every call, a mix? Outbound vs inbound etc. Could just be her phone.

CCNA Voice

RE: QoS Logging for Call Manager - How to begin?

Echo is almost never a QoS issue. More than usual it's enviromental. hardware issues can cause it as well, but you would have more users complaining. Same with QoS, since it's isolated to one user, start by looking at the user habits first.
Headset, volume too loud on the phone, handsfree usage, that kind of stuff.

RE: QoS Logging for Call Manager - How to begin?

Thanks Guys.

whykap - you are pretty close to my opinion. This user has a history of problems, while those around her never do....and these problems aren't just confined to voice, either. We think the voice issue is voice calls to cell phones vs. land-line calls. I hadn't thought of the speakerphone angle - that may have something to do with it. Still, I need the numbers to back me up.

gnrslash4life - Is QoS even enabled on CUCM, or is it all on the router? I couldn't find anything in CUCM under Enterprise parameters, Service Parameters or in Unified Serviceability. All I can see is that it's on the router. Also, where do I find QoS reporting in CUCM? I don't see QoS in the CDR/CMR logs or in RTMT. Is it known by a different name?

RE: QoS Logging for Call Manager - How to begin?

in CDR analysis and reporting is where the QoS reports are. Under system reports

RE: QoS Logging for Call Manager - How to begin?

Yup - I found 'em. I had thought they were in the CDR/CMR reports, but I guess I was wrong.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Tek-Tips Forums free from inappropriate posts.
The Tek-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Tek-Tips forums is a member-only feature.

Click Here to join Tek-Tips and talk with other members! Already a Member? Login

Close Box

Join Tek-Tips® Today!

Join your peers on the Internet's largest technical computer professional community.
It's easy to join and it's free.

Here's Why Members Love Tek-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close