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.

CELL_ESRD

A 10‐digit number used to support routing of wireless 9‐1‐1 calls through the 9‐1‐1 network. The CELL_ESRD is utilized atthe PSAP for static ALI...

PSAP, Secondary

The Secondary PSAP receives emergency calls from the 9‐1‐1 network only as a result of a transfer. The Secondary PSAP never receives first routed...

E9-1-1 Service Provider

The entity responsible for establishing and overseeing the functions necessary to accept 9‐1‐1 calls from carriers and deliver to PSAPs using...