Wireless Telecommunications

The family of telecommunications services under the heading of Commercial Mobile Radio Service. Includes Cellular, Personal Communications Services...

ESN

1. Emergency Service Number A three-digit number that is assigned to the caller's telephone number in the tandem office translations. The emergency...

Inter-Tandem Transfer

The capability of transferring a call over the 9‐1‐1 network from a PSAP served by one 9‐1‐1 tandem to a PSAP served by a different 9‐1‐1 tandem.

S-CSCF

Serving Call Session Function. Processes the emergency registration request from the P‐CSCF and controls the timers that set the duration of the...