Polycom phone issues

[TattyPolyFreak]

Hi,

We are having a number of issues at one of our clients site, see below:

Issue – Polycom Trio 8800 - Doesn’t receive an IP address from DHCP Server

14 of the clients 15 Trio’s are not receiving a DHCP address. All were fine until the last month or so.

Issue – Polycom VVX – Regularly signs out of Teams

These phones will sign out of their Teams account after a random period, maybe 3 days, maybe 2 months.

They actually sign into a off prem Skype server hosted by Microsoft and this then links to its Teams account.

Issue – Polycom Trio 8800 - Doesn’t receive an IP address from DHCP Server

We have looked into this, and discovered there is a setting on the Polycom Phones called CDP Compatibility, by disabling this the phone then gets an IP.

We would like to investigate this further however, as for the last 5 years the Trios have worked fine without any issues. Are there any drawbacks to disabling CDP compatibility.

[SteffenBaierUK]

Hello @TattyPolyFreak ,

Welcome to the Poly Community.

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Steffen Baier

[rgsteele]

I can't speak to the DHCP issue, other than to say it is likely due to a change on the network side and not the devices. However, looking at the logs on the affected devices may help you identify the issue.

As far as the issue with the Poly VVX phones signing out of their accounts, you need to reconfigure these devices to connect to the Teams SIP Gateway instead of the legacy Skype for Business Online gateway. Upgrade Skype for Business Online (3PIP) phones to Microsoft Teams using SIP Gateway - Microsoft Com...