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Skype for Business Sign-in failing on VVX 500 and 310 phone.

Occasional Advisor

Skype for Business Sign-in failing on VVX 500 and 310 phone.

Good morning everyone, here is my problem. Thank you in advance for any assistance. I have several phones I'm trying to move from 8x8 to Sfb online. I factory reset the phones and upgraded their UC software via web interface to version 5.5.0.20556, changed the mode over to Skype. 

 

Here is some additional information

 

- This is a domain network, so I have added the internal DNS records required for Skype for Business online, the normal skype clients work great. https://support.microsoft.com/en-us/kb/2566790

-We use microsoft federated services to authenticate with office 365, like above the normal sfb client works great internally. 

-My skype for business account has cloud PBX enabled. 

 

 

When I try to sign in via the phone or using BToE 3.3.0 app it sits on Signing in as username@domain.com and never connects. Here are the logs from the phone. See attachment. 

 

2 REPLIES 2
Polycom Employee & Community Manager

Re: Skype for Business Sign-in failing on VVX 500 and 310 phone.

Hello

As stated in the FAQ and the Relase Notes 5.5.0 is not a Skype / Lync supported software

Please downgrade and contact Microsoft support for any deployment issues

Replied via a mobile device



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Message 2 of 3
Occasional Advisor

Re: Skype for Business Sign-in failing on VVX 500 and 310 phone.

Thank you for the Reply Steffen, I'm new to the fourms and I missed your static post about 5.5.0, I have downgraded the phones firmware to 5.4.0.10182 and tried again, it failed, I also tried 5.4.4.4281 as well. Same issue. I have opened a ticket with MS Skype support so maybe they can help. Also, I have taken the phone home to a different network and had the same issue. My Firewall is not blocking 5061 or 443 going out, we are however doing stateful inspection to allow traffic back in. 

 

 

I have included a updated log file from version 5.4.4.4281 to this message incase someone here wants to take a gander at why they think it's not working.  

 

Thanks,

Chellis