The three options
| Option | How it works | Good for |
|---|---|---|
| Microsoft Calling Plans | Microsoft provides numbers and minutes | Small teams wanting a single supplier |
| Operator Connect | A provider connects to Teams through Microsoft's managed integration | Simple setup with provider pricing and support |
| Direct Routing | A provider connects through session border controllers | Complex setups, hybrid PBX, special routing |
Licensing
Each user who makes external calls needs a Teams Phone licence, included in Microsoft 365 E5 and available as an add-on to other plans. Resource accounts for auto attendants and queues need their own licence type.
What to check
- Number types you need, such as 0800 and 03
- Call rates and inclusive minutes
- Support hours and who you call when calls fail
- Compliance recording requirements
- Desk phone and meeting room device needs