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  2. Model 500 telephone - Wikipedia

    en.wikipedia.org/wiki/Model_500_telephone

    A 1959 Western Electric model 554 wall phone, derived from the model 500 desk phone. It uses the same internal components, dial, and handset as a desk phone. Several telephone models were derived from the basic model 500, using some of the same components. The model 554 was a wall-mounted version.

  3. AT&T Merlin - Wikipedia

    en.wikipedia.org/wiki/AT&T_Merlin

    AT&T Merlin five-button telephone (voice terminal) manufactured in early 1980. AT&T Merlin is a corporate telephone system by American Telephone and Telegraph (AT&T) that was introduced in late 1983, when it was branded American Bell Merlin. After the breakup of AT&T in 1984, it was rebranded and later also supplied by Lucent and Avaya.

  4. Design Line telephone - Wikipedia

    en.wikipedia.org/wiki/Design_Line_telephone

    The series was called the Design Line telephones. The name did not refer to one particular telephone type; rather Design Line was the collective name given to all the specialty phones, including the Candlestick phone, Country Junction phone, Mickey Mouse phone and others. [1] The phones were among the few that could be purchased in the early 1970s.

  5. 5ESS Switching System - Wikipedia

    en.wikipedia.org/wiki/5ESS_Switching_System

    5ESS uses a time-space-time (TST) topology in which the Time-Slot-Interchangers (TSI) in the Switching Modules assign each phone call to a time slot for routing through the CM. CMs perform time-divided switching and are provided in pairs; each module (cabinet) belonging to Office Network and Timing Complex (ONTC) 0 or 1, roughly corresponding ...

  6. Western Electric hand telephone sets - Wikipedia

    en.wikipedia.org/wiki/Western_Electric_hand...

    The first version of the new hand telephone sets was marked by AT&T as D-76869, a specification type for small quantities of new equipment. The device was described by George K. Thompson of the American Telephone and Telegraph Company (AT&T) in United States patent No. 1508424 of 1924, without showing the handset that was still in development. [10]

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  8. Right to repair - Wikipedia

    en.wikipedia.org/wiki/Right_to_repair

    The FTC specifically identified that informing consumers that warranties are voided if they break a warranty sticker or seal on the unit's packaging, use third-party replacement parts, or use third-party repair services is a deceptive practice, as these terms are only valid if the manufacturer provides free warranty service or replacement parts ...

  9. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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