GRPGroup / MOD Group Modulator
MACLMemory Access Control Logic
UBCIMUniversal Bibliographic Control / International MARC
PMXPacket Multiplexer / Private Message Exchange
J-MAILJunk eMail (aka Spam)
VALValue / Voice Application Language
DERDistinguished Encoding Rules
DMDDDistributed Multiplexing Distributed Demultiplexing
EUPOTEnd User-Point of Termination
BCDICBinary Coded Decimal Interchange Code
CCS7Common Channel Signaling
ESLElectronic Software Licensing / Emergency Stand-aLone
NUSNational Union of Students
DSLDigital Subscriber Line
DMDead Memory / Delta Modulation / Dimension Modeling / Disconnected Mode / Distributed Management
ASDCAbstract Service Definition Convention
INTTIncoming No Test Trunks
GRPGroup / MOD Group Modulator