Microsoft has simplified the porting of numbers to Microsoft Teams to the maximum possible extent. The onus is on the organization to expedite the migration process. The losing carrier might not comply with SLAs because there are no penalties in many markets.Some markets do not allow fragmenting phone number ranges which might restrict porting of numbers to Microsoft.Complex porting involving multiple carriers could result in significant delays.Global porting is a complex process as there might be several regulators with incongruent and maybe even conflicting rules.Here are some of the common challenges and mistakes observed during the process of porting to Microsoft Teams. Phone numbers for digital subscriber line (DSL)/ broadband.Д¬onsiderations for Porting Phone Numbers to Microsoft Teams.Hybrid phone numbers using Skype for Business.Voice over Internet Protocol (VoIP) phone number from compatible providers.Note that faxing is not supported by Teams. Service phone numbers for conference bridges and auto attendants.Here are some of the different types of phone numbers that can be transferred to Microsoft Teams. Additionally, users in Australia and Japan can purchase calling plans through partners for using Microsoft Teams after porting. Porting Supported by Microsoft TeamsДЄs of May 2020, countries in which numbers can be ported to Microsoft include Belgium, Canada, France, Germany, Ireland, Puerto Rico, Netherlands, Spain, United Kingdom (U.K.), and United States (U.S.). With that background, let us understand what porting phone numbers to Microsoft Teams involves. Additionally, scenarios vary significantly by regions/ countries and even among different carriers. While porting from one carrier/ service provider within a country is fairly simple, there are additional complexities when users migrate from a legacy PSTN (Public Switch Telephone Network) to Microsoft Phone System with Teams primarily because of regulatory barriers. By doing so, you will continue to use the same numbers although Microsoft will be providing services such as audio conferencing, auto attendants, and call queues.

When you have phone numbers from certain carriers or service providers, you can transfer them to Microsoft Teams.

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