8.2 List of Abbreviations

List of abbreviations:

  • API (Application Programming Interface)
  • ASR (Answer Seizure Ratio)
  • BIOS (Basic Input–Output System) A basic set of instructions adn functions necessary for PC launch.
  • CD (Compact Disc) A portable optical medium for digital data storing.
  • CDR (Call Data Record)
  • CLIP (Calling Line Identification Presentation)
  • CLIR (Calling Line Identification Restriction)Unknown calling subscriber.
  • COM PC serial port, RS–232.
  • DHCP (Dynamic Host Configuration Protocol) Automatic IP address assignment protocol.
  • DNS (Domain Name Server) Server responsible for transfer between IP addresses and domain names.
  • DTMF (Dual Tone Multifrequency)Tone dialling.
  • ESME (External Short Messaging Entity)
  • FW (Firmware)Similar to SW, used for control microprocessor program name.
  • GMT (Greenwich Mean Time)Mean time for time zone calculations.
  • GSM (Group Switched Mobile system)Current digital mobile telephone network standard.
  • GPRS (General Packet Radio Service)High–speed data transmission with packet commutation in GSM.
  • HW (Hardware)Electronic equipment, circuit, board and similar components.
  • IMEI (International Mobile Equipment Identity) Unique number assigned by the GSM module manufacturer.
  • IMSI (International Mobile Subscriber Identity) Unique SIM card number assigned by the GSM provider.
  • IP Address of the device within a network.
  • LAN (Local Area Network)
  • LED (Light Emited Diod) Electric light–emitting semi–conductor component.
  • NT (Network Termination) Network terminal for interconnecting a user line from an ISDN telephone with the provider's external network, a PBX gateway or 2N BRI Enterprise / BRI Lite gateway, for example.
  • PC (Personal Computer)IBM PC compatible personal computer.
  • PCB (Printed Circuit Board)
  • PIN (Personal Identification Number)SIM card code against unauthorised use.
  • POP3 (Post Office Protocol v3)
  • BRI (Basic Rate Interface) Type of ISDN connectino with 2 channels with 64 Kbps each.
  • PUK (Personal Unblocking Key)Code for SIM card unblocking after repeated PIN entering error.
  • SIM (Subscriber Identity Module)Modul with a chip for identification in the GSM network.
  • SMPP (Short Message Peer to Peer)
  • SMSC (short message service center)
  • SMTP (Simple Mail Transfer Protocol)
  • SMS (Short Message Service)Short text message transmitting service in GSM networks. Short text messages.
  • SSH (Secure Shell) Secured communciation protocol for LANs, program.
  • SW (Software)Program, programové vybavení
  • TCP (Transmission Control Protocol)
  • TE (Terminal Equipment) Terminal equipment on the user side (such as ISDN telephone, fax, router, etc.), connected to the NT port only.
  • UCMD Protocol used for gateway firmware upgrade.
  • UDP (User Datagram Protocol) Transport layer protocol with non–guaranteed packet delivery.
  • UMTS (Universal Mobile Telecommunication System) 3G system of the mobile phone standard, successor to GSM.
  • UPS (Uninterruptible Power Supply) Source of continuous power supply.
  • USSD (Unstructured Supplementary Service Data) Data transmission standard using GSM signalling channels.