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eg1995-5273 avatar image
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eg1995-5273 asked SharonZhao-MSFT commented

teams pbx migration

dears,

i have a legacy onprem pbx and im thinking of migrating it to microsoft teams. however, calling plans are not available in my region

1) if i use direct routing, can i get rid of my onprem pbx system? or it will be needed as direct routing will be a kind of a hybrid deployment?

2) can i transfer my numbers from my legacy pbx and use them in teams? or this feature is just available for calling plan


thank you in advance

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SharonZhao-MSFT answered SharonZhao-MSFT commented

@eg1995-5273,

1) if i use direct routing, can i get rid of my onprem pbx system? or it will be needed as direct routing will be a kind of a hybrid deployment?

No, you cannot. Direct Routing is used to connect your SBC to your PSTN trunks, such as a third-party private branch exchange (PBX), analog devices, and Microsoft Phone System. In your scenario, PBX is your PSTN equipment. So, you cannot get rid of it when configuring Direct Routing.

2) can i transfer my numbers from my legacy pbx and use them in teams? or this feature is just available for calling plan

This feature is indeed available for Calling Plan. If you want to transfer your phone number to Microsoft Teams, it means that Microsoft will act as PSTN carrier. You can learn more from the following image which captured from Configuration considerations part in this document.
130082-image.png


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thank you
for point2,i found the following link but it doesnt mention if it will just work with calling plans and wont work with direct routing. https://docs.microsoft.com/en-us/microsoftteams/phone-number-calling-plans/transfer-phone-numbers-to-teams


can anyone advise on this?

thanks

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@eg1995-5273,

The following image acptured from your link can explains it.
130056-image.png

When you transfer your phone number to Microsoft Teams, it changes your original telephony carrier to Microsoft. Refering to the image in my first reply, only Calling Plans use Microsoft as PSTN carrier. So, it is the reason why I said that the feature is available for Calling Plans.




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@eg1995-5273,
Do you have any further question on this topic?
If my reply is helpful, please be free to accpt it as answer to benefit more people with the same questions.

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