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Occasional Contributor I

IAP Skype For Business Audio lag

Hi,

We deployed a few IAP205 clusters for a client and are experiencing issues with skype for business. Specifically, some calls experience an audio lag, e.g. the call will sound like it has paused for a few seconds then the audio will catch up. It is random and cant be re produced on demand but it happens for quite a few calls.

 

All settings for IAP form the Skype For Business VRD have been set, e.g. WMM, roles, etc.

 

The S4B server is on premise.

 

We have a TAC case open. The controller code was upgraded from 6.5.1.0-4.3.1.0 to 6.5.1.0-4.3.1.3, the issue remained, then downgraded to 6.4.4.8-4.2.4.8, issue still remains.

 

Has anyone else encountered any similar issues?

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ACCP, ACMA, ACMP, ACDX
Guru Elite

Re: IAP Skype For Business Audio lag

Are these Windows clients?
Have you also set group policies for Client-Side voice/video prioritization?


Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Occasional Contributor I

Re: IAP Skype For Business Audio lag

Yep, Windows clients.

 

Not sure about the group policy, will find out though.

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ACCP, ACMA, ACMP, ACDX
Guru Elite

Re: IAP Skype For Business Audio lag

Please see "creating QOS policy on a Windows Client" in the Skype for Business VRD here:  https://community.arubanetworks.com/t5/Validated-Reference-Design/Skype-for-Business-VRD/ta-p/286023

 

It is essential for proper downstream (client to AP) Quality of Service..



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Occasional Contributor I

Re: IAP Skype For Business Audio lag

This seemed to have fixed it, thanks!

---------------------------
ACCP, ACMA, ACMP, ACDX
Guru Elite

Re: IAP Skype For Business Audio lag

Glad to hear it. Do you mind posting screenshots of your QOS group policies for others when you get a chance?


Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

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