SSPISecurity Service Provider Interface
ETISElectronic Telephone Inquiry System
RNARing No Answer (communication or telephone term for a problem)
IDAIntegrated Digital Access
MISGMarket Information Services Group
XBTCrossBar Tandem / X - Bar Tandem
CNP...Continued (in my) Next Post / Certified Network Professional
SISStructured Information Store / Standardisering-skommissionen In Sverige (Swedish Standards Committee)
GSMGlobal System for Mobile (communications)
SDRAMSynchronous Dynamic Random Access Memory
AARAutomatic Alternate Routing
OFDMOrthogonal Frequency Division Multiplexing
SPPSequenced Packet Protocol / Ship Plan / Standard Parallel Port
SNACPSubNetwork Access Protocol (usually as SNAcP)
POACProbe Origin Authentication Check
CTCSCategory Theory and Computer Science
JEIDAJapanese Electronic Industry Development Association
GYHTBHGuess you had to be here
METIMailbase Exploring the Internet Workshop
SSPISecurity Service Provider Interface