Which Calling Plan is right for you?
You've completed the Get started. You've rolled out Teams with chat, teams, channels, & apps across your organization. Maybe you've deployed Meetings & conferencing. Now you're ready to add cloud voice workloads, and you've decided to use Microsoft Phone System with Calling Plan to connect to the Public Switched Telephone Network (PSTN).
This article describes core deployment decisions for Calling Plans and other considerations you may want to configure, based on your organization's needs. You should also read Cloud Voice in Microsoft Teams for more information about Microsoft's cloud voice offerings.
Learn more about Calling Plans
The following articles provide more information about deploying and using Microsoft Calling Plans:
- Phone System in Microsoft 365 or Office 365
- Calling Plans for Microsoft 365 or Office 365
- Set up Calling Plans
Core deployment decisions
To use Microsoft as your telephony carrier, you need to obtain Calling Plan licenses and assign them to your Phone System users.
There are three types of Calling Plans available:
- Domestic Calling Plans
- International Calling Plans
- Pay-As-You-Go Calling Plans
|Are Calling Plans available in my area? Which user locations will have Calling Plan service?||For more information, see Country and region availability for Audio Conferencing and Calling Plans.|
|Do my users need international calling?||For more information, see Calling Plans for Microsoft 365 or Office 365.|
|If some of my users don't make a significant number of outgoing calls, is the Pay-As-You-Go Calling Plan the most economical option for them?||For more information, see Calling Plans for Microsoft 365 or Office 365.|
|Do my users have Calling Plans licenses?||To buy and assign licenses, see Step 2: Buy and assign licenses.|
|Do my users each have a direct inward dial (DID) phone number?||To get phone numbers, see Step 3: Get phone numbers.|
Transfer phone numbers to Microsoft 365 or Office 365
It's easy to transfer your phone numbers from your current service provider to Teams. After you port your phone numbers to Teams, Microsoft will become your service provider and will bill you for those phone numbers. For more information, see Transfer phone numbers to Teams.
Phone numbers and emergency locations
With Calling Plans in Microsoft 365 or Office 365, every user in your organization needs to have a unique direct inward dial (DID) phone number and a corresponding validated emergency address. You can also specify an emergency location within the emergency address (for example, an office number or floor number).
|How detailed do I want the emergency address and location information to be?||For more information, see What are emergency locations, addresses, and call routing?.|
By default, all outbound calls use the assigned phone number as calling identity (caller ID). The recipient of the call can quickly identify the caller and decide whether to accept or reject the call.
|Do I want to mask or disable caller ID?||To change or block the caller ID, see Set the caller ID for a user.|
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