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Dual-tone multi-frequency signaling and Payphone

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between Dual-tone multi-frequency signaling and Payphone

Dual-tone multi-frequency signaling vs. Payphone

Dual-tone multi-frequency signaling (DTMF) is an in-band telecommunication signaling system using the voice-frequency band over telephone lines between telephone equipment and other communications devices and switching centers. A payphone (alternative spelling: pay phone) is typically a coin-operated public telephone, often located in a telephone booth or a privacy hood, with pre-payment by inserting money (usually coins) or by billing a credit or debit card, or a telephone card.

Similarities between Dual-tone multi-frequency signaling and Payphone

Dual-tone multi-frequency signaling and Payphone have 4 things in common (in Unionpedia): Bell System, Long-distance calling, Switchboard operator, Telephone exchange.

Bell System

The Bell System was the system of companies, led by the Bell Telephone Company and later by AT&T, which provided telephone services to much of the United States and Canada from 1877 to 1984, at various times as a monopoly.

Bell System and Dual-tone multi-frequency signaling · Bell System and Payphone · See more »

Long-distance calling

In telecommunications, a long-distance call or trunk call is a telephone call made to a location outside a defined local calling area.

Dual-tone multi-frequency signaling and Long-distance calling · Long-distance calling and Payphone · See more »

Switchboard operator

In the early days of telephony, through roughly the 1960s, companies used manual telephone switchboards, and switchboard operators connected calls by inserting a pair of phone plugs into the appropriate jacks.

Dual-tone multi-frequency signaling and Switchboard operator · Payphone and Switchboard operator · See more »

Telephone exchange

A telephone exchange is a telecommunications system used in the public switched telephone network or in large enterprises.

Dual-tone multi-frequency signaling and Telephone exchange · Payphone and Telephone exchange · See more »

The list above answers the following questions

Dual-tone multi-frequency signaling and Payphone Comparison

Dual-tone multi-frequency signaling has 49 relations, while Payphone has 70. As they have in common 4, the Jaccard index is 3.36% = 4 / (49 + 70).

References

This article shows the relationship between Dual-tone multi-frequency signaling and Payphone. To access each article from which the information was extracted, please visit:

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