52 Acronyms used in this guideN0008589 3.3COS Class of ServiceCSMA/CD Carrier Sense Multiple Access/Collision DetectionCSU Channel Service UnitCTE Connected Telecommunications EquipmentCVM Centralized Voice MailDAL Digital Access LinesDASS2 Digital Access Signaling System Number 2DCE Data Communications EquipmentDCOM Distributed Component Object ModelDECT Digital enhanced cordless telecommunications or Digital European cordlesstelephoneDES Data Encryption StandardDHCP Dynamic Host Configuration Protocol.DID Direct Inward DialDiffServ Differentiated ServicesDIMM Dual In-line Memory ModuleDISA Direct Inward System AccessDLCI Data Link Connection IndentifierDLCMI Data Link Control Management InterfaceDN Directory NumberDNS Domain Name Service (DNS)DPNSS Digital Private Network Signalling SystemDRT Delayed Ring TransferDSCP Diff-Serv Code PointDSP Digital Signal ProcessorDSS Direct Station Set (also referred to as an auto dial key)DTE Data Terminal EquipmentDTM Digital Trunk ModuleDTMF Dual Tone Multifrequency.EBN Egress Border NodeEDO Extended Data-OutEF Expedited ForwardingeKIM enhanced Key Indicator ModuleEN Edge NodeES End Station
