Poor Audio- and Video Quality in Skype for Business

Skype[German]Microsoft is currently having issues with its Skype for Business telephony service. Users complain about poor video quality for Skype for Business during phone calls.


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While Microsoft teams were rumbling these days because of the heavy load of home office users, it has now hit Skype for Business users. The status page reports that everything is fine. Blog reader Andreas copied the following status messages from the administrator dashboard (thanks for that).

-19.03.2020 21:58:19
Title: Poor audio and video quality
User Impact: Users may experience poor audio and video quality when using Skype for Business.
Current status: We’ve begun redirecting audio and video usage traffic to alternate infrastructure for European traffic as their business hours have completed. We’ll begin doing the same for North America once their business hours have completed, to minimize any further disruption to the service.
Scope of impact: Your organization is affected by this event, and impacts any users who is served through the affected infrastructure.
Root cause: Network congestion on a portion of infrastructure responsible for the quality of audio and video functionality in Skype for Business is unexpectedly causing service impact.
Next update by: Friday, March 20, 2020, at 8:00 PM UTC
-19.03.2020 15:03:59
Title: Poor audio and video quality
User Impact: Users may experience poor audio and video quality when using Skype for Business.
Current status: We’re redirecting audio and video usage traffic via alternate infrastructure once European business hours have completed, to minimize any further disruption to the service.
Scope of impact: Your organization is affected by this event, and impacts any users who is served through the affected infrastructure.
Root cause: Network congestion on a portion of infrastructure responsible for the quality of audio and video functionality in Skype for Business is unexpectedly causing service impact.
Next update by: Thursday, March 19, 2020, at 10:00 PM UTC
-19.03.2020 11:39:20
Title: Poor audio and video quality
User Impact: Users may experience poor audio and video quality when using Skype for Business.
Current status: We’re optimizing infrastructure that facilitates audio and video usage, and are monitoring the service as this propagates throughout the affected infrastructure.
Scope of impact: Your organization is affected by this event, and impacts any users who is served through the affected infrastructure.
Root cause: Network congestion on a portion of infrastructure responsible for the quality of audio and video functionality in Skype for Business is unexpectedly causing service impact.
Next update by: Thursday, March 19, 2020, at 10:00 PM UTC
-18.03.2020 20:38:59
Title: Poor audio and video quality
User Impact: Users may experience poor audio and video quality when using Skype for Business.
Current status: We’re reviewing additional infrastructure facilitating audio and video usage to verify if there is further optimization needed for additional network traffic.
Scope of impact: Your organization is affected by this event, and this issue impacts any users who are served through the affected infrastructure.
Root cause: Network congestion on a portion of infrastructure responsible for the quality of audio and video functionality in Skype for Business is unexpectedly causing service impact.
Next update by: Thursday, March 19, 2020, at 10:00 PM UTC
-18.03.2020 18:41:09
Title: Poor audio and video quality
User Impact: Users may experience poor audio and video quality when using Skype for Business.
Current status: We’ve applied the configuration change to the affected infrastructure and are attempting to review monitoring information to confirm the issue has been resolved.
Scope of impact: Your organization is affected by this event, and this issue impacts any users who are served through the affected infrastructure.
Root cause: Network congestion on a portion of infrastructure responsible for the quality of audio and video functionality in Skype for Business is unexpectedly causing service impact.
Next update by: Wednesday, March 18, 2020, at 8:00 PM UTC
-17.03.2020 18:34:34
Title: Poor audio and video quality
User Impact: Users may experience poor audio and video quality when using Skype for Business.
Current status: We’ve identified network congestion that is contributing to the audio and video quality issues in Skype for Business. We’re preparing to implement a configuration change to reprioritize network traffic. Once applied, it could take up to eight hours to propagate throughout the environment.
Scope of impact: Your organization is affected by this event, and this issue impacts any users who are served through the affected infrastructure.
Root cause: Network congestion on a portion of infrastructure responsible for the quality of audio and video functionality in Skype for Business is unexpectedly causing service impact.
Next update by: Wednesday, March 18, 2020, at 6:00 PM UTC
-17.03.2020 17:27:04
Title: Poor audio and video quality
User Impact: Users may experience poor audio and video quality when using Skype for Business.
Current status: We’re reviewing network traces and Call Quality Dashboard (CQD) reports to determine if there is a network issue contributing to the problem.
Scope of impact: Your organization is affected by this event, and this issue impacts any users who are served through the affected infrastructure.
Next update by: Tuesday, March 17, 2020, at 6:30 PM UTC
-17.03.2020 15:28:38
Title: Poor audio and video quality
User Impact: Users may experience poor audio and video quality when using Skype for Business.
Current status: We’re analyzing diagnostic data to determine the source of the issue.
Scope of impact: Your organization is affected by this event, and impacts users who are served through the affected infrastructure.
Next update by: Tuesday, March 17, 2020, at 4:30 PM UTC

Users are reporting poor audio and video quality on Skype for Business connections. This has been the case since 17 March 2020 and will probably continue. Anyone else affected?

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