 Telephone number mapping

Telephone Number Mapping (TNM) refers to a system used to convert telephone numbers into a format that can be used for routing calls over various kinds of networks, particularly in the context of Voice over IP (VoIP) and other telecommunications services. The primary goal of TNM is to facilitate the interoperability of telephone services across different network types, allowing for seamless communication. Here are some of the key components and concepts related to Telephone Number Mapping: 1. **E.