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    • How to Unlock a GoPhone

      How to Unlock a GoPhone

      GoPhone is the trademark used by AT&T/Cingular to market their pay as you go cell phones. Most customers will eventually want to switch to a more normal post-pay cell phone plan, and many of them will want to take their cell phones with them. Unfortunately, the GoPhones are "subsidy locked." This means that the GoPhones

    • Computer Telephony Integration (CTI)

      Computer Telephony Integration (CTI)

      Computer Telephony Integration (CTI) is a set of technologies for integrating and managing the communication or interaction between computers and telephone systems. CTI functionality falls into two general categories: CTI enables the computer user to control their telephone system CTI enables the telephone system to display information via the computer A user with a CTI-enabled

    • Telephone Network Interface Device

      Telephone Network Interface Device

      The telephone Network Interface Device (NID) is what connects your home telephone lines to the telephone company’s network. It is usually a small gray box located on the exterior of your home. It usually contains a modular phone plug that you can use for testing the line. They need both inside testing and outside testing.

    • How to Find an IMEI

      How to Find an IMEI

      An IMEI, or International Mobile Equipment Identity, number is a number associated with a specific cell phone and can be used by authorities in a wide variety of countries to blacklist stolen cell phones, making them unusable to the thief, even if he/she replaces the phone’s SIM card. An IMEI number should not be confused

    • IntraLATA

      IntraLATA

      IntraLATA refers to any telephone call that is made between two separate local telephone companies that are close enough to not constitute a long-distance call. To fully understand IntraLATA and InterLATA systems, a user must understand that a LATA, or Local Access and Transport Area, is a local telephone company that is responsible for managing

    • Tip and Ring

      Tip and Ring

      Tip and Ring are telephony slang for the two wires which make up the electrical circuit used for telephone wiring. Tip is the nickname for the electrically positive wire and Ring is the nickname for the electrically negative wire. Tip is the ground side, which is positively charged, and Ring is the battery side, which

    • How to Dial a DSN Number

      How to Dial a DSN Number

      DSN stands for the Defense Switched Network which is a global phone service used by the United States government capable of both non-secure and secure communications. Traditionally, the DSN network has only been used for voice communications, but in the past decade data and video service have been incorporated into the network through Integrated Services

    • Caller-ID

      Caller-ID

      Calling Number Delivery (CND), better known as Caller ID, is a telephone service intended for residential and small business customers. It allows the called Customer Premises Equipment (CPE) to receive a calling party's directory number and the date and time of the call during the first 4 second silent interval in the ringing cycle. Caller-ID

    • POTS (Plain Old Telephone Service)

      POTS (Plain Old Telephone Service)

      POTS (Plain Old Telephone Service), also known as PSTN (Public Switched Telephone Service), refers to the dominant telephone service in most residential and small business environments. A telephone company controls POTS, which allows consumers to make and receive calls on one line at a time. POTS differs from PBX, T-1, T-3, ISDN, VOIP, and other

    • How Do I Locate My Lost Cell Phone?

      How Do I Locate My Lost Cell Phone?

      Many of us have lost our cell phones from time to time but some may have a harder time than others in retrieving their phone. What is worse is when you lose your cell phone in the middle of a texting session or when you have an important phone call to make and the person’s

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