textphone

In Europe, a printing telegraph service widely used by those with hearing or speech impair-

ments. Also generically known as TTY (TeleTYpewriter) and TDD (Telecommunications Device for the Deaf) in the United States, and minicom in the United Kingdom. See also telegraph and teletype.

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• ANSI/ICEA S-80-576
• ANSI/ICEA S-91-661
• ANSI NFPA 70
• answering machine
• antenna
• Antheil, George (1900–1959)
• anycast
• anycast address
• AODI (Always On/Dynamic ISDN)
• AP
• APC (Angled Physical Contact)
• APD (Avalanche PhotoDiode)
• APD (Avalanche PhotoDiode)
• API (Application Program Interface, aka Application Programming Interface)
• API (Application Program Interface, aka Application Programming Interface)
• APNIC (Asia Pacific Network Information Center)
• APON (ATM-based Passive Optical Network)
• app (application)
• APP (Atom Publishing Protocol)
• APPC (Advanced Program-to-Program Communications)
• Appendix A: Standards Organizations
• application
• Application Layer
• application processor (AP)
• application program interface (API)