Phone Number Management

In this guide, we provide details and background information on how Proxy manages phone numbers and selects them from the number pool. If you just want to get started working with Proxy, head over to the quickstart.

For masked communications between two participants, Proxy relies on the concept of Sessions.

Sessions are Twilio's pairings of two individuals. A Session doesn't just wrap up a single voice call or SMS message - rather, it contains all the calls and messages for the given pair of numbers.

The following diagram shows a Session with two numbers wrapping up two SMS conversations and a Voice call.