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    • IMSI (International Mobile Subscriber Identity)

      IMSI (International Mobile Subscriber Identity)

      IMSI (International Mobile Subscriber identity) is the information that is used for identification of a mobile phone end-user on a network  and is uniquely associated with a given cell phone The IMSI code is stored as a 64 bit number or field, and is sent by the mobile phone to the cellular network. The code

    • How to Fool Caller ID

      How to Fool Caller ID

      Caller ID is a telephone service that provides the caller’s phone number and name to the receiver. This data is either displayed on the phone itself or on a caller ID box that is attached to the phone. Most phone providers charge a small fee for this service. It helps people to identify prank callers,

    • 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 I Setup MMS on My Mobile?

      How Do I Setup MMS on My Mobile?

      MMS, Multimedia Messaging Service, is a widely used communication channel over mobile phones to send and receive multimedia like images, ringtones, and videos. Most modern mobiles phones are MMS enabled. To use MMS service on your mobile phone, you need to do 2 things: Activate the MMS Service from your Service Provider. Upon activation by

    • MTSO: Mobile Telephone Switching Office

      MTSO: Mobile Telephone Switching Office

      The Mobile Telephone Switching Office, or MTSO, is a system that automatically keeps track of a cell phone user’s relative signal by monitoring readings from cell phone towers near the user. MTSO systems also automatically switch a cell phone’s service from one cell phone tower to another depending on which tower will provide the user

    • Numbers that Temporarily Disconnect Phone Service

      Numbers that Temporarily Disconnect Phone Service

      Many telephone companies maintain telephone numbers to which if a call is made will temporarily disconnect your telephone service for testing. If your NPA is not listed, or the listing does not cover your LATA, try common numbers such as 119 (GTD5 switches) or 511. NPA Telephone Number Geography Length of disconnection 209 999 Stockton,

    • Cell Phone Signal Boosters

      Cell Phone Signal Boosters

      Cell phone signal boosters (or cellular repeaters) are bidirectional amplifiers designed to boost the mobile phone reception using internal signal amplifiers, reception antennas and rebroadcast antennas. External antennas collect good cellular signal, and then it is transmitted to an amplifier, which retransmits the signal locally. This process results in much better signal. Rural areas often

    • TL1 (Transaction Language 1)

      TL1 (Transaction Language 1)

      TL1 (Transaction Language 1) is an element management protocol used primarily in the telecommunications industry. TL1 was designed by Bellcore (now Telecordia) in 1984 for use with its OSS (Operations Support System), NMA. TL1 is an MML (Man Machine Language), which means that TL1 messages should be readable and writeable by humans as well as

    • Pay as You Go Cell Phones

      Pay as You Go Cell Phones

      Sometimes called pre paid or prepay cell phone plans, Pay as You Go Cell Phones are usually used in specific types of mobile phone calling plans. Unlike standard mobile phone calling plans that charge a set monthly fee for a specific amount of calls, pay as you go cell phone calling plans only require the

    • Phone Prefixes

      Phone Prefixes

      Phone prefixes are the codes that tell the phone companies which state, city, or county a person is calling from. As more people move to an area the phone prefixes change and additional ones are added. Depending on the state, there may only be a few prefixes. Prefixes help to differentiate between each person's phone

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