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- HP Community
- Poly Phones
- Desk and IP Conference Phones
- Polycom VVX 411 key numbers stopped working

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09-30-2019 11:28 AM
Good afternoon,
I have may Polycom VVX 411 onsite. However, four of them has some of the numbers keys not working. I tried rebooting and factory reset. Could someone please help me with this issue?
64-16-7F-15-02-D4 - Control button (arrows to control on the menu), the round button next to the home button.
64-16-7F-15-02-71 - it doesn't work key numbers 1 to 6
64-16-7f-01-e2-48 - it doesn't work key numbers 1, 2, and 3
64-16-7F-28-a5-42 - it doesn't work the key numbers 3, 6, and 9
Thanks in advance!
10-01-2019 04:57 AM
Hello @MarcosF ,
Welcome to the Poly Community.
I can see the following internally:
64167F1502D4 | 28/03/2017 | Veracomp SA |
64167F150271 | 28/03/2017 | Veracomp SA |
64167f01e248 | 30/08/2016 | WESTCON GROUP EUROPEAN OPERATIONS LIMITED |
64167F28a542 | 11/01/2018 | WESTCON-CANADA |
As these are all from different years I would assume these are different hardware revisions.
Are they used in a very specific way aka a call centre or are these cleaned using cleaning products?
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Best Regards
Steffen Baier
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

10-01-2019 07:48 AM
Good morning,
Thanks for replying! In regards of your questions:
1. We don't have a call centre
2. The polycom are not cleaned at all. Whenever is dirty, I just clean it myself using a dry papertowel or cloth.
Thanks again!