Glossary (M-P)
 Messaging Gateway
A computer system that converts one messaging protocol to another. It
provides an interface between two store and forward nodes, or message
transfer agents (MTAs).
Metadata
Data that describes other data. The term refers to any file or database
that holds information about another database's structure, attributes,
processing or changes. Metadata surrounding the Simplewire service and
wireless device data includes whether a mobile device is turned on or
off, the geographic location, routing commands, screen size, the amount
of characters a particular phone can receive, character support, two-way
capabilities and any other phone features.
One-Way Text-Messaging
Sending short (wireless data) messages to a smart phone, pager, wireless
PDA or other handheld device via the Internet. Text-messaging implies
sending short messages generally no more than a couple of hundred characters
in length. In Europe, text-messaging was popularized by the GSM cell
phone system's Short Messaging Service (SMS), which supports messages
of up to 160 characters.
PCS- (Personal Communication Services)
A second-generation digital voice, messaging and data cell phone system
in the 2GHz range. PCS is supported mostly by GSM.
PDC- (Personal Digital Communications)
A Japanese digital cellular standard that supports SMS.
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