Use TCAP for Operator Connect for Microsoft Teams
It's the fastest way to enable carrier services in the Operator Connect for Microsoft Teams Admin Portal

TCAP allows Carriers to integrate their systems with the Operator Connect APIs, allowing customers to seamlessly add PSTN calling to Teams.
Integration to OSS/BSS systems traditionally requires an API bridge, custom software development, and weeks of testing. With TCAP, this is all done through our automation platform and zero code integration.
We allow you to be in market within just a couple of weeks utilising TCAP as an end-to-end SaaS platform or leveraging your existing infrastructure and network.