• Main Menu
  • Telephony

    • 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

    • SIM Card

      SIM Card

      A SIM (Subscriber Identity Module) card is a type of interface card that is found in most modern cell phones and contains the user’s account information as well as some types of media, such as contacts, pictures, and sometimes ringtones. A SIM card contains an ICCID, or Integrated Circuit Card ID, number that identifies the

    • How to Activate a TracFone

      How to Activate a TracFone

      TracFone is the 6th largest mobile network operator in the United States. It allows its customers to purchase airtime usage when they purchase phones that companies like Nokia, LG, and Motorola make. A TracFone customer has to activate the cell phone before using it. It can be activated via the TracFone website or TracFone customer

    • What is Tethering?

      What is Tethering?

      Tethering means using a mobile phone (or any other Internet-capable device) as a modem for a laptop or other Internet capable units. A phone that can access the Internet is connected to the other device with a USB cable or Bluetooth connection. If a mobile plan allows the phone to be tethered, you can save

    • How to Make a Lineman’s Handset

      How to Make a Lineman’s Handset

      This is the “right hand” of both the professional and the amateur lineman. Basically, it is a customized portable telephone which is designed to be hooked onto raw cable terminals in the field and used to monitor the line, talk, or dial out. The monitor function is usually the main difference between the “butt-in” test

    • How Do Prepaid Phone Cards Work?

      How Do Prepaid Phone Cards Work?

      As more and more people switch to cell phones for communication, many people are opting to use prepaid phone cards rather than signing up for a contract with a service provider. Prepaid phone cards allow users to purchase temporary plans ahead of time and use their minutes from wherever they are without having to worry

    • Telephone Tone Frequencies

      Telephone Tone Frequencies

      The Low Tone is a generic tone used with various interruption patterns for the specific tones listed below: Line Busy Tone Reorder Reverting Tone No Circuit Tone No Such Number Vacant Code Group Busy Tone Deposit Coin Tone Vacant Position Tone Dial Off-Normal Tone Trouble Tone Dial Jack Tone Dial Test Signal Class of Service

    • CNA Number

      CNA Number

      CNA stands for Customer Name and Address. The CNA number is a phone number for telephone company personnel to call and get the name and address for a phone number. If a telephone lineman finds a phone line he does not recognize, he can use the ANAC Number to find its phone number and then

    • Loop

      Loop

      Loops are a pair of phone numbers, usually consecutive, like 836-9998 and 836-9999. They are used by the phone company for testing. What good do loops do us? Well, they are cool in a few ways. Here is a simple use of loops. Each loop has two ends, a 'high' end, and a 'low' end.

    • ANI (Automatic Number Identification)

      ANI (Automatic Number Identification)

      ANI (Automatic Number Identification) is a system utilized by telephone companies to identify the DN (Directory Number) of a calling subscriber. Automatic number identification permits subscribers to capture or display caller’s telephone number. This feature was developed by AT&T, and it should not be confused with new caller ID services. AT&T developed this feature for

    telephony
    } 465 queries in 0.412 seconds.