A language and message format used by an application program to communicate with the operating system or some other system or control program such as a database management system (DBMS) or communications protocol. APIs are implemented by writing function calls in the program, which provide the linkage to the required subroutine for execution. Thus, an API implies that a program module is available in the computer to perform the operation or that it must be linked into the existing program to perform the tasks.

An organization that hosts software applications on its own servers within its own facilities. Customers access the application via private lines or the Internet. ASP is also called a "commercial service provider."

An air interface technology that was developed by the U.S. military and commercialized by the U.S. company Qualcomm. CDMA supports SMS with a message length of 120 characters. With CDMA, each conversation is digitized and then tagged with a code. The mobile phone receives a signal to locate that particular code and it then deciphers the conversation off the airwaves. It codes each conversation expanding it 128 times, making it easy to decipher at the receiving end.

3G CDMA evolution from cdmaONE supported by cdmaONE operators. Phase 1 provides 144 Kbps data rate and Phase 2 up to 2 Mbps. See Third Generation.

The name used by the CDMA Development Group (CDG) for CDMA networks (IS-95) using 2nd-generation digital technology.

Refers to the region within which a paging receiver can reliably receive the transmission of the paging signals.