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- VVX400 not respecting DSCP setting
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02-07-2019 10:42 AM
I have been trying to configure QoS settings on our small fleet of polycom VVX 400 series phones and it appears that the phones are sending the "802.1Q User Priority" setting instead of the value that I am providing for the "IP DSCP (overrides IP ToS)" field. Is this a bug or am I misunderstanding how these settings work? I have attached an exported copy of an example phone's configuration and a screen capture of the wireshark trace that shows the incorrectly set DSCP values (DSCP is set to 40 and value should be 46).
Phone Model: VVX 400
Part Number: 3111-46157-002 Rev:A
MAC Address: 64:16:7F:A9:26:12
UC Software Version: 5.8.0.12848
Updater Version: 5.9.5.13643
Call Platform: SfB (Online)
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Accepted Solutions
02-07-2019 12:51 PM
Hello @swes1110 ,
welcome to the Polycom Community.
Please ensure you always check the FAQ's and/or utilize the community search before posting any new topics or follow up post’s.
Office 365 can provision parameters to the VVX which have higher priority.
Jul 31, 2017 Question:How can I prevent a Polycom VVX Phone or a Polycom Trio to accept some settings automatically via Skype for Business and/or Office365?
Resolution: Please check this post => here <=
Part of this is as example DSCP
Please disable the suggested lync.provisionDeviceParams.enabled parameter and if this does not work provide us with a backup.
In addition you should be testing UC Software 5.8.3
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Best Regards
Steffen Baier
Polycom Global Services
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.
Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
02-07-2019 12:51 PM
Hello @swes1110 ,
welcome to the Polycom Community.
Please ensure you always check the FAQ's and/or utilize the community search before posting any new topics or follow up post’s.
Office 365 can provision parameters to the VVX which have higher priority.
Jul 31, 2017 Question:How can I prevent a Polycom VVX Phone or a Polycom Trio to accept some settings automatically via Skype for Business and/or Office365?
Resolution: Please check this post => here <=
Part of this is as example DSCP
Please disable the suggested lync.provisionDeviceParams.enabled parameter and if this does not work provide us with a backup.
In addition you should be testing UC Software 5.8.3
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Best Regards
Steffen Baier
Polycom Global Services
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.
Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
02-08-2019 09:02 AM
Thanks Steffen,
Adding the following setting to our configuration file resolved the issue. I will do some further testing to ensure that no other settings that we require are affected by this change.
lync.provisionDeviceParams.enabled="0"
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