Hello together, we are using Microsoft Teams Phone System as one of our calling solutions, however we are also making use of a DECT infrastructure that is connected to Teams via our SBC. Due to the fact that the SIP Gateway is now supporting specific DECT vendors, we are currently evaluating its functionality by testing the Poly Rove products. Some of our users do have a DECT phone next to their Teams Client on their computer, therefore I have configured the DECT Handset as my second Teams device. The calling functionalities are working fine, however when I am in a call with the Handset (does not matter whether I initiate or accept a call), the presence status of my user is not changing within Teams to "in a call". It is no changing at all, when I am using the SIP Gateway. I have read somewhere, that when I am logged in to the Handset only, that my presence will be "offline", however when I am in a call with the Handset, it should change to "in a call" to indicate other people that I am in a call. This does not happen as well. Does someone of you have more experience with the SIP Gateway and can confirm the behaviour or is it working for you? Thanks and greets, Markus

Hi,short update on this. I have just tried it with our VVX 600 device, however the issue is still the same.Calling is working fine, but the presence is not updating.I have already created a support case at Microsoft, as I assume that there is an issue in the backend.But I will try to setup a phone at home to make sure, that the company firewall is not doing any kind of magic, however I would assume, that the MC backend should process the presence changes when the call is answered.Greets,Markus

Hi Markus_95, I can check the presence behaviour for Poly Rove when I'm back in my office on Monday. Regarding the DECT infrastructure connected to your SBC: It's a dedicated telephony solution and therefor isn't connected to Microsoft Teams. One of the disadvantages of such implementations is that the presence state doesn't change in Teams when you use the DECT system for calling. Since a few weeks the Microsoft GraphAPI supports to set the Microsoft Teams presence status. So, you can check your SBC or DECT solution if it's able to trigger the GraphAPI, but it shouldn't be so easy to implement.

Good morning Thorsten,thanks for your reply!That would be very nice, if you could check this out on your end.I will wait for your answer.Yeah, I know that there might be a solution by making use of the Graph API, however, as you already mentioned, I do not think that it is easy to implement, and our current construct works quite good, even if the presence is not updated. However, the DECT Teams integration via SIP Gateway is interesting.Greets,Markus

Good Morning Markus_95, sorry for the delay. Unfortunately, I had to reset the Poly Rove to factory defaults because I forgot the admin password. Fortunately this only happened in my lab environment and the DECT system was installed very quickly yesterday. Today I did the test and cannot confirm the presence behavior you described. The presence status of my user in the lab environment immediately changes to "on call" when I answer an incoming call on the Poly Rove DECT system.

Good morning Thorsten,thank you for your reply and the tests. Mhh.. thats very strange. I have just tested it again in my deployment and my presence is never changing whether I initiate or receive a call via the SIP Gateway. I have looked through your guide to set up the Poly Rove System and for me the configuration I did on our side seems to be the same as on your side.I have already upgraded the Firmware to version 8.0.3 Build 10.Due to the fact, that I am able to login/logout, initiate and receive calls, I would assume that the configuration is correct, otherwise I would expect that it is not working.Maybe I have to check this behaviour with the Microsoft support, because I would assume, that the Backend of MS is responsible for changing the presence state of the user after accepting the call via the SIP Gateway.Greets,Markus

Teams SIP-Gateway Unified Presence | Microsoft Community Hub

13 Replies

Thorsten Pickhan
MVP
Oct 12, 2022
Hi Markus_95,

I can check the presence behaviour for Poly Rove when I'm back in my office on Monday.

Regarding the DECT infrastructure connected to your SBC:

It's a dedicated telephony solution and therefor isn't connected to Microsoft Teams. One of the disadvantages of such implementations is that the presence state doesn't change in Teams when you use the DECT system for calling.

Since a few weeks the Microsoft GraphAPI supports to set the Microsoft Teams presence status.

So, you can check your SBC or DECT solution if it's able to trigger the GraphAPI, but it shouldn't be so easy to implement.
- Markus_95
  Brass Contributor
  Oct 13, 2022
  Good morning Thorsten,
  thanks for your reply!
  That would be very nice, if you could check this out on your end.
  I will wait for your answer.
  
  Yeah, I know that there might be a solution by making use of the Graph API, however, as you already mentioned, I do not think that it is easy to implement, and our current construct works quite good, even if the presence is not updated. However, the DECT Teams integration via SIP Gateway is interesting.
  
  Greets,
  Markus
  - Thorsten Pickhan
    MVP
    Oct 18, 2022
    Good Morning Markus_95,
    
    sorry for the delay. Unfortunately, I had to reset the Poly Rove to factory defaults because I forgot the admin password. Fortunately this only happened in my lab environment and the DECT system was installed very quickly yesterday.
    
    Today I did the test and cannot confirm the presence behavior you described. The presence status of my user in the lab environment immediately changes to "on call" when I answer an incoming call on the Poly Rove DECT system.

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Teams SIP-Gateway Unified Presence

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