Manual Transfer

Definition:

A feature that enables the PSAP attendant to transfer incoming 9‐1‐1 calls by manually obtaining dial tone through use

of the telephone switch or appropriate button on the customer premise equipment and dialing the appropriate

telephone number or speed calling code.

Electronic Switching System - Computerized switching of telephone calls used by the telephone company.

Teletypewriters. Text Telephone used in 7‐1‐1 call services. 7‐1‐1 is assigned nationwide for access to Telecom Relay Services (TRS). TRS allows...

End Office. The telephone switching center that initiates a 9‐1‐1 call.

A telephone company’s customer records database that contains all telephone subscriber records.

Glossary of Terms