CTELO AS is a global Cloud TELecom Operations service provider that work through Microsoft resellers to activate and support Microsoft 365 Business Telephony. Ctelo Business Phone is added as a cloud service to support a Teams Telephony licensed users with a PSTN number and a Call Plan from a preferred telephony provider. Supports Teams Telephony users across the globe inside AZURE.MS coCtelo Business Phone activate Teams Business Telephony with a preferred national business mobile/telephony and support a business customer with a global unified communication solution.When Office 365 is providing the Teams workplace productivity client, there is simply no logical reason why your Telephony usage should not be an integrated capability.Global Office 365 Telephony = Ctelo Business PhoneConnect any number of telephony providers, and activate any number of users that value Teams PSTN calling.