EPRCAEnhanced Proportional Rate Control Algorithm (ATM Forum)
CMMCapability Maturity Model
PMIPhysical Medium Independent (Sublayer) / Private Memory Interconnect
ODDDOperator Direct Distance Dialing
WYGIWYPFWhat You Get Is What You Pay For
EEDPExpanded Electronic Dialing Plan /Expanded Electronic tandem switching Dialing Plan
TNTelephone Number / Transaction Number
CDDICopper Distributed Data Interface
ST-TNGStar Trek The Next Generation
WTORWrite To Operator with Reply