Although mobile phones have become almost ubiquitous in modern culture, device manufacturers have yet to solve the problem of significantly improving the battery life of mobile phones significantly. As a result, consumers must seek out methods to manage the overall application and program usage on their cell phones in order to improve the overall life …
Telephone switches route calls through the PSTN (Public Switched Telephone Network). When you pick up the handset on your home telephone, you are initiating a connection with your local telephone switch. When you dial a telephone number, your phone switch interprets the digits you dial and determines where to route your call. If your call …
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 …
The NAM (Number Assignment Module) is the EPROM (Erasable Programmable Read-Only Memory) in a mobile telephone which holds information such as the MIN (or MDN) and SIDH. The data fields stored in a phone’s NAM vary between the various mobile telephone specifications, such as AMPS/NAMPS, GSM, PCS, CMDA. In modern networks, NAMs can be reprogrammed …
An IDEN, or Integrated Dispatch Enhanced Network, is a radio service provided by some mobile telephones that allows subscribers to talk to nearby subscribers who have similar phones without dialing their individual numbers. IDENs are often provided as a free service on modern mobile phones, such as Nextel, or as a premium service that can …
One trick to defeat Caller-ID blocking is to forward your phone line to a friend who lives in another LATA. When your friend receives the anonymous phone call, have him use *69 Call Return to dial to offending party back. As he is now placing a long distance phone call, the telephone number of the …
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 …
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 …
A Blackberry is a “smartphone” that integrates a phone, media player, email client, web browser, camera, and personal digital assistant (PDA) in a single device. It has many purposes and allows users to perform a number of tasks such as creating notes, accessing the Internet, and scheduling events. Blackberry phones represent over 14% of the …
3GP is the standard used today on the 3G mobile phones. It is distinguished in two different standards; the 3GPP, which is used on GSM-based phones and have the file extension, .3gp. There is also the 3GPP2, which is for CDMA-based phones, and have the file extension .3g2. These two standards are MPEG-4 and H.263 …