Hello aymen.badri,
welcome to the Polycom Community.
Providing some basic background information is always useful.
- Is this a brand new unit or a used unit?
- Has it ever worked and only just now stopped working?
- How is it powered up ? PoE Switch or the orignal Polycom cable?
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
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Polycom Employee & Community Manager is an automatic setting within the community and any forum reply or post is based upon my
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