The automated port request form is great if you're just moving a few desk phones from another provider to your Skype for Business accounts. However, it's not suitable for most other purposes, a fact that we find ironic because this is probably the least common scenario for businesses looking to port existing phone numbers.
Microsoft says:
- Transfer more than 999 user phone numbers
- Transfer service numbers such as for conference bridges, auto attendants, and call queues
- Transfer toll-free numbers in the U.S.
- Transfer any numbers in the U.K., Ireland, France, Spain, and the Netherlands
- If porting numbers isn't your thing ...