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Stored Program (SP) (Electronic Stored Program Control using mini-bar switches) SP1 2-Wire (Local) The SP1 processor was constructed using Small Scale Integration (SSI) Diode Transistor (DTL) Logic. Two types of memory was used. Processor read/write scratch memory (called CALL STORE) was implemented using a magnetic core variant called Ferrite ...
A vertical service code (VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [1] Some vertical service codes require dialing of a telephone number after the code sequence.
Malicious caller identification, introduced in 1992 as Call Trace, [1] also called malicious call trace or caller-activated malicious call trace, is activated by the vertical service code *57 ("star fifty-seven"), and is an upcharge fee subscription service offered by telephone company providers which, when dialed immediately after a malicious call, records metadata for police follow-up.
Avaya sponsors the IAUG users' group [34] and training programs for IT professional certification in the use of Avaya's products. [35] Avaya provides business related equipment for its customers such as cameras, collaboration units, conference phones, headsets, IP phones, room systems, Vantage, and wireless handsets.
This list contains the mobile country codes and mobile network codes for networks with country codes between 300 and 399, inclusively – a region that covers North America and the Caribbean. Guam and the Northern Mariana Islands are included in this region as parts of the United States.
If you use a 3rd-party email app to access your AOL Mail account, you may need a special code to give that app permission to access your AOL account. Learn how to create and delete app passwords. Account Management · Apr 17, 2024
10-10-321, 10-10-345, 10-10-220, and 10-10-987 are United States long-distance phone services best known for their prolific television and direct mail advertising in the late 1990s. 10-10-321 was the first mass-marketed service of its type. 10-10-345 was owned by AT&T, and the rest were all owned by MCI, which is now part of Verizon.
In telephony, line hunting (or hunt group) is the method of distributing phone calls from a single telephone number to a group of several phone lines. Specifically, it refers to the process or algorithm used to select which line will receive the call. Hunt groups are supported by some PBX phone systems.