The Phone System in Office 365 add-on gives you PBX capabilities, but without the complicated and expensive equipment. With the Phone System add-on, you can complete basic tasks such as making and receiving calls, transferring calls, and muting or unmuting calls, from nearly anywhere with Internet access. It's available worldwide!
Direct Routing allows your company to choose who provides voice lines to Office 365. With a global reach, customers can select providers based on where telephony services are needed.
With Calling Plan, you get an easy way to give your employees full calling capabilities. This is great for customers who want the simplest possible voice management for their users.
Work faster by starting meetings and calls with just one touch. Work anywhere and confidently with consistent high-quality video and audio.