User Guide

OEM Original Equipment Manufacturer—A company that manufactures a product and sells it to a reseller.

originate The origin of a connection or message. Mobile originated means the connection of message starts from the mobile and goes to the network for termination at the destination. Contrast with terminate.

packet A short fixed-length block of data including a header that is transmitted as a unit in a communications network.

PC Card™ Add-in memory and communications cards for portable computers. PC Card is a trademark of the Personal Computer Memory Card International Association (PCMCIA).

PCMCIA Personal Computer Memory Card International Association —The organization that standardizes PC Cards.

PCS Personal Communications Services—A cellular communication infrastructure that uses a different frequency range than AMPS.

PRI Product Release Instructions

PRL Preferred Roaming List. See also roaming.

protocol A defined procedure for determining the proper way of exchanging information on a network.

terminate The destination of a connection or message. Mobile terminated means the connection of message arrived at the mobile from the network. Contrast with originate.

reverse channel A connection channel for moving data from the mobile to the network. Contrast with Forward Channel.

RF Radio Frequency

roaming A cellular subscriber is in an area where service is obtained from a cellular service provider that is not the subscriber’s provider.

SAR Specific Absorption Rate—A test metric for RF exposure.

simple IP The standard method of allocating IP addresses to mobile units as they register with network serving stations (handoff). This is typically a dynamic IP addressing mechanism managed through DHCP. See also Mobile IP.

SMS Short message services—A feature that allows users of a wireless device on a wireless network to receive or transmit short electronic alphanumeric messages (up to 160 characters, depending on the service provider).

TCP Transmission Control Protocol—The common underlying communication protocol used on the Internet. A connection handshake establishes a point to point logical connection. In

 

 

 

 

 

 

 

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