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    • 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,

    • Prepaid Cell Phones vs Contract Phones

      Prepaid Cell Phones vs Contract Phones

      Prepaid cell phones are mobile phones that are not associated with a long term contract and, therefore, do not incur the overage charges and late fees associate with contract plans. Prepaid cell phones are paid before the mobile service is activated on a monthly or “pay-as-you-go” basis and are deactivated when the service term expires

    • Tumbling

      Tumbling

      Tumbling exploits a weakness in the AMPS/NAMPS roaming system. In tumbling, you first configure the SIDH in your mobile telephone to pretend to be from another cellular carrier. If you are in Colorado, for example, you would configure your mobile telephone as if it were subscribed to a cellular carrier in Texas. Next, you modify

    • 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

    • MIN (Mobile Identification Number)

      MIN (Mobile Identification Number)

      The MIN (Mobile Identification Number) is a number that uniquely identifies a mobile telephone subscriber. MINs are 34-bits in length. The first 10 bits are sometimes known as MIN2, while the last 24 bits are referred to as MIN1. Together they are simply known as the MIN. In the United States, the MIN is derived

    • IVR Software

      IVR Software

      IVR software enables companies to build custom Interactive Voice Response (IVR) systems, which can be used to provide automated self-service to inbound callers. IVR enables callers to interact more intuitively with automated phone systems, while at the same time providing significant cost reductions over human operators. IVR Call Flows A sample IVR call flow might

    • IMEI (International Mobile Equipment Identity)

      IMEI (International Mobile Equipment Identity)

      Each GSM and UMTS mobile phone has a unique IMEI (International Mobile Equipment Identity) number. An IMEI number facilitates an important function – it easily identifies a mobile phone being used on a GSM (Global System for Mobile Communications) network. The IMEI is a useful tool to stop a stolen phone from accessing a network

    • How to Reduce Conference Call Noise

      How to Reduce Conference Call Noise

      Anyone who has conducted or participated in a telephone conference call knows how noise can interrupt the meeting. There are a number of ways to prevent some types of noise from ever occurring, as well as ways to quickly eliminate noise if it does occur during a call. Before the Call Most noise issues on

    • 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

    • How to Unlock a BlackBerry

      How to Unlock a BlackBerry

      Many wireless providers across the globe, including AT&T/Cingular, T-Mobile, Vodafone, and Verizon sell Blackberries. When these companies sell a BlackBerry, they do so at a discount in order to attract customers. The providers then make up the lost profits over the lifetime of their contract with the customer. To protect those profits, the wireless providers

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