Acronyms and Abbreviations

Acronyms and Abbreviations useful for IK2554

Acronym or AbbreviationDescription 2B+D 2 B channels and one D channel (an ISDN line) 30B+D 30 B channels and one D channel (an E1 as ISDN) 3D Three Dimensional 3G Third Generation 3GPP 3rd Generation Partnership Project 3GPP2 3rd Generation Partnership Project 2 4ESS #4 Electronic Switching System 5ESS #5 Electronic Switching System AAA Authentication, Authorization, and Accounting AAB Automatic Alternative Billing ABD Abbreviated dialling ACB Automatic Callback ACC Account Card Calling ACD Automatic Call Distribution ACK Acknowledgement ACM Association for Computing Machinery AES Advanced Encryption Standard AIN Advanced Intelligent Network ALG Application Level Gateway AM Ante meridiem (Latin for Before noon) AMD advanced micro devices AN Access Network ANAT Alternative Network Address Types ANM Answer message AOR Address of Record AP Access Point API Application Programming Interface APP Application APS Application Policy Server ARM Advanced RISC Machine ARP Address Resolution Protocol AS Application Server ATA Analog Telephone Adaptor ATM Asynchronous Transfer Mode ATT Attendant AUTC Authentication AUTZ Authorization code AV Audio Visual AVATS AccessGrid Video and Audio Tools Support AVH avhandling (Swedish) AXE Automated Telephone Exchange (a series of exchanges) B2BUA Back-to-Back User Agent BCAST Broadcast BCP Best Current Practice BER Bit Error Rate BFCP Binary Floor Control Protocol BGCF Breakout Gateway Control Function BGP Border Gateway Protocol BHCA busy hour call attempts BIND Berkeley Internet Name Domain (DNS server software) BT block type CA Certificate Authority CALEA Communications Assistance for Law Enforcement Act CB Citizen Band (radio) CBC Cipher Block Chaining CC Country Code CCBS Completion of calls to busy subscriber CCC Credit Card Calling CCITT Consultative Committee on International Telephone and Telegraph CCNC Consumer Communications and Networking Conference CCXML Call Control Extensible Markup Language CCXML4J CCXML Interpreter in Java CD Call Distribution CDC Conference on Decision and Control CDP Cisco Discovery Protocol CDR call detail record CELEX Communitatis Europeae Lex (European Union law database) CELP Codetopic-excited linear predictive CEST Central European Summer Time CF call forwarding CFC Call forwarding on busy/don’t answer CGI Common Gateway Interface CHA Call hold with announcement CIO Chief Information Officer CLF Common Log Format CLF common log format CLUE ControLling mUltiple streams for tElepresence CNAME Canonical Name COC Consultation calling CODEC Coder/Decoder COMET SIP Preconditions Met message CON Conference calling COPS common open policy service CPE customer premises equipment CPL call processing language CPM customer profile management CPNI customer proprietary network information CPU Central Processing Unit CRD Call Rerouting Distribution CRG Customized ringing CS Computer Sceince CSI Computer Security Institute CTI computer telephony integration CUCS Columbia University Computer Science (Department) CUG Closed usergroup CW call waiting DAA data access arrangement DB database DCON Distributed Conferencing DCR Destination Call Routing DCS Distributed Call Signaling DDDS Dynamic Delegation Discovery System DDS Delegation Discovery System DEA (U.S.) Drug Enforcement Administration DEFSOP digital evidence forensics standard operating procedures DES Data Encryption Standard DHCP Dynamic Host Configuration Protocol DHCPACK Dynamic Host Configuration Protocol Acknowledgement DMP Device Message Protocol DNR diarienummer (Swedish) DNS Domain Name Server DOI Digital Object Identifier DOJ (U.S.) Department of Justice DOM Document Object Model DOP Default Outbound Proxy DS0 Digital Signal 0 (a level in the Digital signaling hierarchy) DSL digital subscriber line DTD document type definition DTMF Dual Tone Multi-Frequency DUP destinating user prompter E1 2 Mbps time-multiplexed link E911 Enhanced 911 (emergency service) EDS Electronic Data Systems Corporation ENUM E-number ENUMWG ENUM Working Group ESP enhanced service provider ESR Emergency Services Routing ETNS European Telephony Numbering Space ETS Emergency Telecommunications Service ETSI European Telecommunications Standards Institute EU European Union EUDRD EU Data Retention Directive FAQ Frequently Ask Questions FAX Facsimile FBI (U.S.) Federal Bureau of Investination FCC (U.S.) Federal Communications Commission FCP firewall communication protocol FEC Forward Error Correction FID Flow Identification FISA (U.S.) Foreign Intelligence Surveillance Act FLUTE File Delivery over Unidirectional Transport FMD Follow Me Diversion FPH Freephone FQDN Fully Qualified Domain Name FRA Försvarsväsendets Radioanstalt (Swedish for Defense Radio Institute) FS feature server FXO Foreign eXchange Office FXS Foreign eXchange Subscriber (FXS) GAA Generic Authentication Architecture GAP Call gapping GBA Generic Bootstrapping Architecture GDS Global Dialing Scheme GEOPRIV Geographic Location/Privacy GLP Gateway Location Protocol GMT Greenwich Mean Time GNOME GNU Network Object Model Environment GPL GNU Public License GPRS General Packet Radio Service GRUU Globally Routable User Agent (UA) URI GSM Global System for Mobile telecommunications (original name in French: Groupe Spécial Mobile) GSTN global switched telephone network GSTN global switched telephone network HCI Human-Computer Interface HERFP Heterogeneous Error Response Forking Problem HF Human Factors HIP Host Identity Protocol HMAC Hashed Message Authentication Code HNT Hosted Nat Traversal HSS Home Subscriber Server HTML Hypertext Markup Language HTTP Hypertext Transfer Protocol IA information appliance IAA I Am Alive IAB Internet Architecture Board IAM Initial Address Message IANA Internet Assigned Number Authority IAP Intercept Access Point IAX Inter-Asterisk eXchange IAX2 Inter-Asterisk eXchange version 2 IC Intergrated Circuit ICC (IEEE) International Conference on Communications ICE interactive connectivity establishment ICE interactive connectivity establishment ICMP Internet Control Message Protocol ICON InternationalConference on Networks ICT Information and Communications Technology ICW internet call waiting ID identifier IDDD International Direct Distance Dialing IEEE Institute of Electrical and Electronics Engineers IETF Internet Engineering Task Force IFF if and only if IKE Internet Key Exchange IM IP Multimedia IMAC Innovative Mobile Applications of Context IMS IP Multimedia Subsystem IN Intelligent Networks or IP Networks INET Internet Society (Conference series) IOS (Cisco) Internetwork Operating System IP Internet Protocol IP IM Presence ISBN International Standard Book Number ISDN Integrated Services Digital Network ISO International Standards Orgainization ISP Internet Service Provider ISSN International Standard Serial Number ISUP Integrated Services Digital Network (ISDN) User Part IT Informaiton Technology ITAD Internet Telephony Administrative Domain ITU International Telecommunication Union IVR Interactive voice response JAIN Java APIs for Integrated Networks JB Jitter Buffer JBA Jitter Buffer Adaptive JDSU JDS Uniphase Corporation JSR Java Specification Requests JVM Java Virtual Machine KB Knowledge base KDE K Desktop Environment KPI key performance indicators KTH KTH Royal Institute of Technology L16 Linear 16 bit (encoding) L8 Linear 8 bit (encoding) LA Los Angeles LAN Local Area Network LCD Liquid Crystal Display LDAP Lightweight Directory Access Protocol LEA Law Enforcement Administration LGPL GNU Lesser General Public License LI Lawful Interception LIM Call limiter LOG Call logging LPC Linear Predictive Coding LRF Location Retrieval Function LS Location Server LSI Large Scale Integration M2M machine-to-machine MAC Medium Access Control (below the link layer) or message authentication code MAP Mobility Anchor Point or Mobile Application Part MAS Mass calling MB Megabyte MCI malicious call identification MDC Modification Detection Code MEST Middle European Summer Time MGCF Media Gateway Control Function MGCP Media Gateway Control Protocol MGW Media Gateway MIB Management Information Base MIDCOM Middlebox Communications MIKEY Multimedia Internet KEYing MIME Multipurpose Internet Mail Extensions MMC Meet Me Conference MMUSIC Multiparty Multimedia Session Control MOS Mean Opinion Score MPA MPEG Audio MPEG Motion Picture Experts Group MPLS Multiprotocol Label Switching MS Master's of Science or Marshal Server MSCML Media Server Control Markup Language MSML Media Server Markup Language MUST Militär Underrättelse- och Säkerhetstjänst (Swedish for Military Intelligence and Security Service) MWC Multi Way Calling NAPTR Naming Authority Pointer NAT Network Address Translator NB Nota bene (Latin meaning Note well) NENA national emergency number association NIST National Institute of Standards and Technology NJ New Jersey NOSSDAV Network and Operating System Support for Digital Audio and Video NP Number Portability NSA (U.S.) National Security Agency NSIS Next Steps In Signaling NTP Network Time Protocol NY New York OCHA (United Nations) Office for Coordination of Humanitarian Affairs OCS Originating Call Screening ODR Origin Dependent Routing OK Okay OMA Open Mobile Alliance ONC Off Net Calling ONE One number OR Oregon OSP Open Settlement Protocol OUP Originating User Prompter PAMS perceptual analysis measurement system PBX Private Branch Exchange PC Personal Computer PCC probabilistic congestion control PCM Pulse Code Modulation PCMU Pulse Coded Modulation mu-law (encoding) PDA Personal Digital Appliance PDF Portable Document Format PESQ perceptual evaluation speech quality PIDF presence information data format PINT PSTN Internet Internetworking PLC packet loss concealment PLS pronunciation lexicon specification PM Post meridiem (Latin for afternoon) PN Personal Numbering PNP Private Numbering Plan POP Point of Presence POTS Plain Old Telephony Service PRACK Reliable ACK PRIV a private extension to SDES PRM Premium rate PRMC Premium charging PS Provisioning Server PSAP public safety answering point PST Pacific Standard Time PSTN Public Switched Telephone Network PT payload types PTS Post- och Telestyrelsen (Swedish) Q3 Network Management Interface (ITU-T) QCLEP Qualcomm Code Excited Linear Prediction QR Quick Response (Code) QSIG Q-Signaling protocol RADIUS Remote Authentication Dial-In User Service RAM Random Access Memory RAT Robust Audio Tool RC Report Count RDF Resource Description Framework RE regarding REC recommendation REVC Reverse charging RFC Request for Comments RG residential gateway RIA Rich Internet Application RIPE Reseaux IP Europeens RISC Reduce Instruction Set Computer RMT Reliable Multicast Transport RR receiver report RS receives sip RSS Rich Site Summary RST reset RSVP Resource Reservation Protocol RTCP Realtime control protcol RTCP real time control protocol RTP Realtime protocol RTSP Real Time Streaming Protocol RTT Round Trip Time RX Receiver SA Société Anonyme (French for Corporation) SAP Session Announcement Protocol SCCP Skinny Client Control Protocol SCF Selective Call Forwarding SCTP Stream Control Transmission Protocol SDCS Security in Distributed Computing Systems SDES Source Description SDK Software Development Kit SDP Session Description Protocol SE Sweden SEC Security screening SER SIP Express Router SFS Svensk Författningssamling (Swedish for Swedish Code of Statutes) SIGAD SIGINT Activity Designator SIGINT Signals Intelligence SIMPLE Sip Instant Messaging Presence Leveraging Extensions SIP Session Initiation Protocol SIPAPI SIP API SIPIT Session Initiation Protocol Interoperability Test SIPPING Session Initiation Protocol Project INvestiGation SIPREC SIP-Based Media Recording SIPUA SIP User Agent SLA Service Level Agreement SLF Subscription Locator Function SLP Service Location Protocol SMIL Synchronized Multimedia Integration Language SMS Short Message Service SMTP Simple Mail Transfer Protocol SNMP Simple Network Management Protocol SOAP Simple Object Access Protocol SPA Service Provider APIs spam unsolicited bulk messages SPIRITS Service in the PSTN/IN Requesting InTernet Service SPIT Spam over Internet Telephony SPL Split charging SPLC Split charging SR Sender Report SRGS Speech Recognition Grammar Specification SRTP Secure Real Time Protocol SSM SIP Service Manager SSML Speech Synthesis Markup Language SSO Single Sign-On SSRC Synchronization Source STUN Session Traversal Utilities for NAT TCP Transmission Control Protocol TCS Terminating Call Screening TDM Time Division Multiplexing telecom telecommunications TESLA Timed Efficient Stream Loss-Tolerant Authentication TFRC TCP-Friendly Rate Control TFWC TCP-Friendly Window-based Congestion Control TGREP Telephony Gateway REgistration Protocol TI Texas Instruments TIPHON Telecommunications Internet Protocol Harmonization Over Networks TIPHON telecommunications internet protocol harmonization over networks TLS Transport Layer Security TMN Telecommunications Management Network TOS Type of Service TR Technical Report TRA Call transfer TRIP Telephony Routing over IP TS Technical Specification TTL Time to live TURN traversal using relay nat UA User Agent UAC User Agent Client UAN Universal Access Number UAS User Agent Server UC Unified Communications UCL University College London UCS Universal Character Set UDP User Datagram Protocol UDR User Defined Routing UK United Kingdom UMA Unlicensed Mobile Access UML Universal Modeling Language UN United Nations UPT Universal Personal Telecommunication URI Uniform Resource Identifiers URL Universal Resource Locators URN Uniform Resource Name US United States (of America) USB Universal Serial Bus USC United States Code USR User UTF UCS Transformation Format VA Virginia VAD Voice Activity Detection VB Visual Basic VDSL Very high speed Digital Subscriber Line VER Version VLAN virtual local area network VoIP Voice over IP VOT Televoting VP Vice Preseident VPN virtual private network VQT Voice Quality Tester VXML Voice XML VoIP Voice over IP W3C World Wide Web Consortium WAN Wide Area Network WG Working Group WLAN Wireless Local Area Network XML Extensible Markup Language XMPP Extensible Messaging and Presence Protocol ZRTP (Phil Zimmermann) Z Real-time Transport Protocol