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A typical relay service conversation. A telecommunications relay service, also known as TRS, relay service, or IP-relay, or Web-based relay service, is an operator service that allows people who are deaf, hard of hearing, deafblind, or have a speech disorder to place calls to standard telephone users via a keyboard or assistive device.
Caller A THANK YOU FOR USING TEXT RELAY SERVICE. GOODBYE Note: TTYs use only capital letters except when there are computer screens. Note: In the UK, Text relay service used to be called typetalk (RNID) but have since merged with the phone line using the dialling prefix 18001 (TTY) or the 18002 (voice relay). The emergency line is 18000 (TTY).
A third number call or third party call is an operator assisted telephone call that can be billed to the party other than the calling and called party. The operator calls the third number for the party to accept the charges before the call can proceed. Time and charges was a service that could be requested of an operator before a call began ...
A video relay service (VRS), also sometimes known as a video interpreting service (VIS), is a video telecommunication service that allows deaf, hard-of-hearing, and speech-impaired (D-HOH-SI) individuals to communicate over video telephones and similar technologies with hearing people in real-time, via a sign language interpreter.
The relay officer will then call the requested emergency service, and relay the call on behalf of the caller. An able caller can also just say 'police', 'fire', or 'ambulance' to the relay officer. [3] The relay operator will stay on the line during the entire conversation with the connected emergency service. [1]
The operator would ask what number the subscriber was attempting to call, determine the reason for the intercept and relay the information to the calling party. [ 1 ] The first automatic intercept systems used rotating magnetic drums containing multiple recorded phrases, with a computer or mechanical control system playing phrases in the proper ...
999 is the official emergency number for the United Kingdom, but calls are also accepted on the European Union emergency number, 112. All calls are answered by 999 operators, and are always free. [2] Approximately 35 million 999/112 calls are made in the UK each year, with 74% from mobiles and 26% from landlines in 2022. [3]
Strowger Automatic Toll Ticketing (SATT); relay and type 45 rotary switch mechanics Strowger Step-by-Step (Strowger patents were exclusively licensed to the Automatic Electric Company). TSPS (Traffic Service Position System, obsolete system for operator handled LD calls.)