TELSAMTelephone Service Attitude Measurement
TCAPTelecommunications Alarm Surveillance / Transaction Capabilities Application Part / Transaction Capabilities Applications Port
RCSCRemote Spooling Communications Subsystem
SIGCATSpecial Interest Group on CD-Rom Applications and Technology
LESTLow End Systems and Technologies
IDPInitial Domain Part / Integrated Detector Pre-amplifier / Internet Datagram Protocol
ISSGInformation Strategies Steering Group
STV/ST-TFFStar Trek fifth movie/'The Final Frontier'
ISFInformation Security Foundation
EMOTICONSEmotion Icons (aka Smileys)
SFISingle Frequency Interface / Society for the Freedom of Information
MDIMultiple Document Interface
ATASAnalog Test Access System
BCDICBinary Coded Decimal Interchange Code
ITSCInter-regional Telecommunications Standards Conference
TELSAMTelephone Service Attitude Measurement