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Multiple Extension or SIP User Login to VVX 310

Occasional Contributor

Multiple Extension or SIP User Login to VVX 310



Apologies to everyone. New to this Polycom setup. We're using Lync 2013 and VVX 310 using PIN Authentication. I have a requirement where two Extensions / SIP accounts must login to the same VVX 310 device (both active). I tried to research the community but I can't seem to find the exact steps on where should I changed the config for this. This is a simple setup using SNOM.


I hope someone can give me the link on how to do it.


Thank you.






Message 1 of 3
Polycom Employee & Community Manager

Re: Multiple Extension or SIP User Login to VVX 310

Hello @millcadz,

welcome back to the Polycom Community.

The community's VoIP FAQ contains this post here:


Jan 25, 2016 Question:How many Lines can I register using Polycom phones with Lync Server / Skype for Business server ?

Resolution: You can register only one line when Lync is set as the base profile on the phone. The Polycom Trio has a Hybrid registration feature from UC Software 5.5.2 or later. Details can be found in the Trio Admin Guide or => here <=

Please ensure you always check the community FAQ and/or utilize the community search before posting any new topics or follow up post’s.

In addition SNOM, to my personal knowledge, no longer is Microsoft certified.

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

<======== Signature / Disclaimer ========>
Please be aware:For questions about the type of support to expect please check here

Please also ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's

Please remember, if you see a post that helped you , and it answers your question, please mark it as an "Accept as Solution".

The title Polycom Employee & Community Manager is an automatic setting within the community and any forum reply or post is based upon my personal experience and does not reflect the opinion or view of my employer.
Poly employee participation within this community is not mandatory and any post or FAQ article provided by myself is done either during my working hours or outside working hours, in my private time, and maybe answered on weekends, bank holidays or personal holidays.
Message 2 of 3
Occasional Contributor

Re: Multiple Extension or SIP User Login to VVX 310

Hi Steffen,


Thank you. Hopefully Polycom will support this feature in the future release.


Yes SNOM is no longer MS certified.


Best regards,




Message 3 of 3