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  2. Telephone number (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Telephone_number_(mathematics)

    The complete graph K 4 has ten matchings, corresponding to the value T(4) = 10 of the fourth telephone number. In mathematics , the telephone numbers or the involution numbers form a sequence of integers that count the ways n people can be connected by person-to-person telephone calls.

  3. Metcalfe's law - Wikipedia

    en.wikipedia.org/wiki/Metcalfe's_law

    Two telephones can make only one connection, five can make 10 connections, and twelve can make 66 connections.. Metcalfe's law states that the financial value or influence of a telecommunications network is proportional to the square of the number of connected users of the system (n 2).

  4. List of IP protocol numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_IP_protocol_numbers

    Protocol Number Keyword Protocol References/RFC; 0x00 0 HOPOPT IPv6 Hop-by-Hop Option: RFC 8200: 0x01 1 ICMP Internet Control Message Protocol: RFC 792: 0x02 2 IGMP Internet Group Management Protocol: RFC 1112: 0x03 3 GGP Gateway-to-Gateway Protocol: RFC 823: 0x04 4 IP-in-IP IP in IP (encapsulation) RFC 2003: 0x05 5 ST Internet Stream Protocol ...

  5. Telephone number - Wikipedia

    en.wikipedia.org/wiki/Telephone_number

    His residence was phone number 1 and his shop was phone number 2 in Boston. [8] In the late 1870s, the Bell interests started utilizing their patent with a rental scheme, in which they would rent their instruments to individual users who would contract with other suppliers to connect them; for example from home to office to factory.

  6. Add access phone numbers to AOL Dialer

    help.aol.com/.../manually-add-access-phone-numbers

    2. Enter your location and connection type and click Next. 3. Select your dialing options and click Next. 4. Enter your area code and click Next. 5. Select 2-3 access phone numbers and click Next. Note: You cannot manually type in an access number. An access number can only be selected from the list provided. 6. Confirm your settings and click ...

  7. Troubleshoot a dial-up connection - AOL Help

    help.aol.com/articles/troubleshooting-a-dial-up...

    Dial-up doesn't work with phone services offered by cable companies. Check your physical phone connection - A loose cable or cord can often be the cause of a connection problem. Unplug all phone devices in your home - Unplug all phone devices in your home, then reconnect just the modem. Try to connect online, and if it works, plug in each ...

  8. Premium Tech Support with Assist by AOL | AOL Products

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    Get friendly tech support online and over the phone with Assist by AOL. Virus removal, slow computers and more. Get affordable expert help today.

  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!