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vvx400 phone hang up the call itself and then restarts

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vvx400 phone hang up the call itself and then restarts


when i recieve a call, the phone hang up the call itself and then the phone restarts on its own, we review network problems and dont see any problem, the wire network its ok, we connect the phone directly on the switch and the problem occurs again, review the phon log we see this:


UC Software Version
Updater Version


 could you help me please?



Polycom Employee & Community Manager

Re: vvx400 phone hang up the call itself and then restarts

Hello martin_c3ntro,

welcome to the Polycom Community.

Are you by any chance with RingCentral ?


If yes please work with their support team and quote VOIP-118235 / VESC-6576 / 1-3153565175


If this is not the case please work with your Polycom reseller so they can open a support ticket for you.

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

The title Polycom Employee & Community Manager is a community setting and does not reflect my role. I am just a simple volunteer in the community like everybody else. My official "day" Job is 3rd Level support at Poly but I am unable to provide official support via the community.


Notice: This community forum is not an official Poly support resource, thus responses from Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge. If you need immediate and/or official assistance please open a service ticket through your proper support channels.
Please also ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's
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