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Skype for Business Blog
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Configuring Voice Quality of Service for Skype for Business Online IP Phones

KruthikaPonnusamy's avatar
KruthikaPonnusamy
Icon for Microsoft rankMicrosoft
Oct 18, 2017
A recent update enables tenant admins to modify the DSCP (Differentiated Services Code Point) value of voice traffic to enable Quality of Service (QoS).   How to Configure Voice Quality of Servic...
Updated Oct 18, 2017
Version 1.0
Deployment & Operations
devices
Voice
rovert506's avatar
rovert506
Iron Contributor
Dec 18, 2017

Markus_Johansson - Ah, ok...there's your missing piece.  You have to actually set the value first.  See the paragraph directly underneath "How to Configure Voice Quality of Service".  Microsoft simply unlocked the ability to set the value but they didn't change their default configuration, which is 40.  Once you set the configuration in those tenants, it will take some time (8 hours or upon sign-in, whichever is first) before your devices receive the updated configuration.