Porting Numbers to Cloud PBX–What the blogs don’t say

There are many good blogs out there that detail how to port numbers to Cloud PBX, Microsoft pretty much have it organised in this article https://support.office.com/en-gb/article/Transfer-phone-numbers-to-Skype-for-Business-Online-47b3af8e-4171-4dec-8333-c956f108664e. However, if porting numbers is a new thing to you, there are some things you need to know when transferring your customer numbers to Cloud PBX.