Data for Reachability of Inter-/Intra-NetworK SIP (DRINKS) Use Cases and Protocol Requirements

This document captures the use cases and associated requirements for interfaces that provision session establishment data into Session Initiation Protocol (SIP) Service Provider components to assist with session routing. Specifically, this document focuses on the provisioning of one such element termed the "registry". This document is not an Internet Standards Track specification; it is published for informational purposes.