Terminology and concepts
Before you start designing, implementing, or managing a Microsoft Teams phone system, you'll need to understand some basic terminology and concepts. This will help you communicate clearly with vendors, partners, other engineers, and end users.
Teams Phone
The overall platform is called Teams Phone, though some documentation previously referred to it as Cloud Private Branch Exchange (Cloud PBX), as well as Phone System. The term Phone System now generally refers to the license assignment enabling telephony features. Phone System is the Microsoft-hosted PBX system, providing both internal and external calling capabilities.
Phone numbers
When building a phone system, one of the earliest questions you'll probably ask is: "Where do I get my phone numbers?" The answer will depend on a number of factors, such as the following:
- If you want all-new phone numbers
- If you want to maintain your existing phone numbers
- Which...
