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• Telephony FAQs
• How do I install telephone wiring?
• What are Tip and Ring?
• What is a 66 block?
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• What is ground start?
• What is loop start?
• What are the frequencies of the telephone tones?
• What are the DTMF tone frequencies?
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• How do I block Caller-ID?
• How do I defeat Caller-ID blocking?
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• What is Computer Telephony Integration (CTI)?
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• What is the voltage used to ring a telephone?
• What are all of the * (LASS) codes?
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• What is a Blue Box?
• Do Blue Boxes still work?
• What is a Red Box?
• What is a Black Box?
• What do all the colored boxes do?
• Who invented the telephone?
• What is a Telephone Network Interface Device?
• What are Phone Prefixes?
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What is POTS?

POTS stands for Plain Old Telephone System.

POTS is an informal acronym which is used to describe the type of analog telephone lines which are predominant in most residential environments.

POTS contrasts with newer technologies such as digital PBX's and ISDN.

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