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Trio 8800 unable to join Teams meetings

SOLVED
Davit Ubilava
Occasional Contributor

Trio 8800 unable to join Teams meetings

Hello,

I have Trio 8800.

also, I have only SFB on-premise. I cannot join meetings with MS Teams. I tested several meeting scenarios:

1.Trio on-prem account (mycompany)  --> another on-prem account (another company) = can join meeting.
2.Trio on-prem account (mycompany) --> Another company MS Teams account = can not join meeting
3.Trio another MS Teams account --> mycompany on-prem account = can not join meeting
4.Trio another company MS Teams account --> another company MS Teams account = can join meeting.
5.Trio on-prem account (mycompany) --> another copany on-prem account (another company)with hybrid = can join meeting.
6. Trio another company on-prem account (another company)with hybrid --> another company on-prem account = can join meeting.

 

 

so,My on premise sfb account can join meeting with:

1.another company's on-prem user meetings.
2.another companys on-prem sfb in hybrid mode

problem is only with MS Teams meetings.please see attached logs(at this moment in Trios was logged in teams account and we cannot join meeting with on-prem sfb account)

any ideas?

thank you

Message 1 of 9
1 ACCEPTED SOLUTION

Accepted Solutions
SteffenBaierUK
Polycom Employee & Community Manager

Re: Trio 8800 unable to join Teams meetings

Hello @Davit Ubilava 

 

I am quite sure this is a known issue and Microsoft is aware (20150767).

 

  • a meeting organizer cannot be homed on-prem in this kinda scenario

Symptom

================

Trio 8000 phone device cannot join Teams meeting

 

Analyzing

================

Per checking, the device account <retracted> is homed online with Island mode. However, the sample Teams meeting organizer <retracted> is hosted by Skype for business on premise server. We have similar internal escalation to the Teams engineering team, and it was confirmed by the product team, this is a not supported scenario, the Teams meeting organizer must be hosted on Online.

 

The SIP INVITE from Trio phone gets delivered to the on-prem focus because the meeting organizer is hosted on-prem. Therefore, the Teams gateway can't be invoked and thus you see 413 error returned.

 

This is mentioned in our docs that the meeting organizer must be hosted online in order for the gateway to work:

 

https://docs.microsoft.com/en-us/microsoftteams/migration-interop-guidance-for-teams-with-skype

 

Interop between Teams and Skype for Business users is only possible if the Teams user is homed online in Skype for Business. The recipient Skype for Business user can be homed either on-premises (and requires configuring Skype for Business Hybrid) or online. Users who are homed in Skype for Business on-premises can use Teams in Islands mode (defined later in this doc), but they cannot use Teams to interop or federate with other users who are using Skype for Business.

 

Suggestion

============

To make Trio phone join a Teams meeting, the possible option is to move the organizer to SFB online, change the Trio phone to Teams mode or dial into the Meeting.

 

The above is based on the assumption that you are seeing the same or similar scenario.

 

Anything else would require you to open a case with Microsoft.

 

Best Regards

 

Steffen Baier

----------------
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

View solution in original post

Message 4 of 9
8 REPLIES 8
SteffenBaierUK
Polycom Employee & Community Manager

Re: Trio 8800 unable to join Teams meetings

Hello @Davit Ubilava ,

 

Welcome back to the Poly Community.

 

A simple question:

 

  • Is this a Trio running in Lync Base profile aka Skype for Business
    or
  • Is this a Trio running in Teams base profile


Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.

Best Regards

Steffen Baier

----------------
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
Message 2 of 9
Davit Ubilava
Occasional Contributor

Re: Trio 8800 unable to join Teams meetings

Hello,

 

Trio is running in Skype for Business profile.

Message 3 of 9
SteffenBaierUK
Polycom Employee & Community Manager

Re: Trio 8800 unable to join Teams meetings

Hello @Davit Ubilava 

 

I am quite sure this is a known issue and Microsoft is aware (20150767).

 

  • a meeting organizer cannot be homed on-prem in this kinda scenario

Symptom

================

Trio 8000 phone device cannot join Teams meeting

 

Analyzing

================

Per checking, the device account <retracted> is homed online with Island mode. However, the sample Teams meeting organizer <retracted> is hosted by Skype for business on premise server. We have similar internal escalation to the Teams engineering team, and it was confirmed by the product team, this is a not supported scenario, the Teams meeting organizer must be hosted on Online.

 

The SIP INVITE from Trio phone gets delivered to the on-prem focus because the meeting organizer is hosted on-prem. Therefore, the Teams gateway can't be invoked and thus you see 413 error returned.

 

This is mentioned in our docs that the meeting organizer must be hosted online in order for the gateway to work:

 

https://docs.microsoft.com/en-us/microsoftteams/migration-interop-guidance-for-teams-with-skype

 

Interop between Teams and Skype for Business users is only possible if the Teams user is homed online in Skype for Business. The recipient Skype for Business user can be homed either on-premises (and requires configuring Skype for Business Hybrid) or online. Users who are homed in Skype for Business on-premises can use Teams in Islands mode (defined later in this doc), but they cannot use Teams to interop or federate with other users who are using Skype for Business.

 

Suggestion

============

To make Trio phone join a Teams meeting, the possible option is to move the organizer to SFB online, change the Trio phone to Teams mode or dial into the Meeting.

 

The above is based on the assumption that you are seeing the same or similar scenario.

 

Anything else would require you to open a case with Microsoft.

 

Best Regards

 

Steffen Baier

----------------
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

View solution in original post

Message 4 of 9
Davit Ubilava
Occasional Contributor

Re: Trio 8800 unable to join Teams meetings

Thank you for quick reply

Message 5 of 9
Sean.Stanley66
Regular Advisor

Re: Trio 8800 unable to join Teams meetings

Hi Steffen,

 

I wanted to check to see if this matches my issue before creating a new topic.

 

We have found that TRIOs in Skype profile mode, whether using the 3PIP gateway to sign into Teams or signed in to Skype for business on-prem, can't join Teams meetings via one touch for organizers in Islands mode.  The TRIO in Skype mode and 3PIP GW Teams mode can join meetings hosted by organizers in Teams only mode.

 

I've also found that if the meeting organizer's account is disabled in Skype and in islands mode in Teams, the TRIO CAN join those meetings.

 

Understanding if this is a resolvable issue or not is my goal at the moment.

 

Thanks

Sean

Message 6 of 9
SteffenBaierUK
Polycom Employee & Community Manager

Re: Trio 8800 unable to join Teams meetings

Hello @Sean.Stanley66 ,

 

Welcome back to the Poly Community.


Did you try and work with our partner Microsoft referencing the above Microsoft ID so they can potentially answer your question when using their product?

 

Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.

Best Regards

Steffen Baier

----------------
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
Message 7 of 9
Sean.Stanley66
Regular Advisor

Re: Trio 8800 unable to join Teams meetings

Yes and I've worked with Poly engineering.

 

Both stated, "it should work for both meetings" but I am not so confident in the response.

Message 8 of 9
SteffenBaierUK
Polycom Employee & Community Manager

Re: Trio 8800 unable to join Teams meetings

Hello @Sean.Stanley66 

 

as this is using a product supplied by our partner Microsoft did you work with them as responded earlier?

 

They are most likely the only ones being able to answer this truthfully.

 

replied via a mobile phone 

----------------
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
Message 9 of 9