GLOSSARY Revised: May 14, 2012, A ABBR ACQ ADDR AIN ALT ALWD ANI ANNC ANSI ARQ AS ASC ASCII AT ATM abbreviated all calls query address Advanced Intelligent Network alternate allowed automatic number identification announcement American National Standards Institute admission request application server ascending Standard Code for Information Interchange access tandem Asynchronous Transfer Mode B BKWD BLV backward business line verification C CA California GL-1
CA CAC CAP CAS CASC CC CD-ROM CdPN CDP CDSC CHAR CHG CLDPTY CLI CLLI CND COMM CoS COT CPN CTRL CTX Call Agent carrier access code competitive access provider channel associated signaling cyclic ascending country code compact disk-read only memory called party number custom dial plan cyclic descending character charge called party command-line interface Common Language Location Identifier calling number delivery communication class of service continuity test calling party number control Centrex D DA DBM DDD DEL directory assistance database management direct distance or domestic dialing delete GL-2
DEST DIGMAN DN DNIS DOW DOY DP DP-ID DPC DSC DT DTMF destination digital manipulation directory number dialed number identification service day of week day of year dial plan dial-plan identification destination point code descending order CAS DTMF endpoints dual tone multifrequency E EMEA EMG EMS ENUM EPOM Europe, Middle East, and Asia emergency Element Management System electronic number mapping Extensible Provisioning and Operations Manager F FA FA-RB FAS FGD FS faulty faulty remotely blocked facility associated signaling Feature Group D Feature Server GL-3
G GAP GRP GTD GW generic address parameter group Generic Transparency Descriptor gateway H HNPA home numbering plan area I IAM ID IDDD INFO INTL INTL-OPR ISDN ISUP IT ITP ITU IVR initial address message identification international direct dial domestic information international international operator Integrated Services Digital Network ISDN user part ISUP trunk IP transfer point International Telecommunication Union interactive voice response L LATA LB LCR LECOSS local access transport area loop-back least cost routing local exchange carrier operations support system GL-4
LNP LRN LRU LS LSA local number portability local routing number least recently used load sharing local service area M MAX MF MGCP MGW MIN MLHG MO MRU MS MSG MT maximum multifrequency Media Gateway Control Protocol media gateway minimum multi-line hunt group MF operator trunk most recently used CAS MF endpoints message MF terminating trunk N NA NANP NAS NAT NAT-OPR NCT NDC NF not applicable North American Numbering Plan network access server national national operator network continuity test national destination code non-faulty GL-5
NF-RB NFAS NLB NOA NPA non-faulty remotely blocked non-facility associated signaling network loop-back nature of address numbering plan area NS0 network specific (111 1000) NS1 network specific (111 1001) NS2 network specific (111 1010) NS3 network specific (111 1011) NS4 network specific (111 1100) NS5 network specific (111 1101) NS6 network specific (111 1110) NTWK NUM network number O OBCSM OCN ODD ODR OLI OPER OPR originating basic call state machine original called number odd-numbered origin dependent routing originating line information operational operator P PBX PC PCS private branch exchange point code personal communications services GL-6
PFX PIC PKG POP POTS PSTN prefix point in call, presubscribed interexchange carrier package point of presence plain old telephone service public switched telephone network Q QOR QOS query on release quality of service R RACF RAND RDN REL RID RN RPF RR RRQ remote activation of call forwarding random Redirecting Number Information Element release route identification routing number registration and profiling tool round robin registration request S S1 severity 1 S2 severity 2 S3 severity 3 S4 severity 4 SAC service access code GL-7
SCP SEL SEQ SIP SP service control point selection sequential Session Initiation Protocol service provider SS7 Signaling System 7 SUB SUB-OPR SUPP subscriber subscriber operator supported T TAC TBCSM TCL TDM TG TGN TM TMR TNS TOD TSAP TW Technical Assistance Center terminating basic call system manager tool command language telecommunications data link monitor trunk group trunk group number trunk member timer transit network selection time of day transport service access point time weather call U UAN URL universal access number uniform resource locator GL-8
US USA United States United States of America V VARCHAR VSC variable character Vertical Service Code GL-9
GL-10