---
title: "Abbreviations"
slug: "abbreviations-4"
updated: 2023-10-07T08:32:36Z
published: 2023-10-07T08:32:36Z
canonical: "knowledge.akuvox.com/abbreviations-4"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://knowledge.akuvox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Abbreviations

**ACS**: Auto Configuration Server

**Auto**: Automatically

**AEC**: Configurable Acoustic and Line Echo Cancelers

**ACD**: Automatic Call Distribution

**Autop**: Automatical Provisioning

**AES**: Advanced Encryption Standard

**BLF**: Busy Lamp Field

**COM**: Common

**CPE**: Customer Premise Equipment

**CWMP**: CPE WAN Management Protocol

**DTMF**: Dual Tone Multi-Frequency

**DHCP**: Dynamic Host Configuration Protocol

**DNS**: Domain Name System

**DND**: Do Not Disturb

**DNS-SRV**: Service record in the Domain Name System

**FTP**: File Transfer Protocol

**GND**: Ground

**HTTP**: Hypertext Transfer Protocol

**HTTPS**: Hypertext Transfer Protocol Secure Socket Layer

**IP**: Internet Protocol

**ID**: Identification

**IR**: Infrared

**LCD**: Liquid Crystal Display

**LED**: Light Emitting Diode

**MAX**: Maximum

**POE**: Power Over Ethernet

**PCMA**: Pulse Code Modulation A-Law

**PCMU**: Pulse Code Modulation µ-Law

**PCAP**: Packet Capture

**PNP**: Plug and Play

**RFID**: Radio Frequency Identification

**RTP**: Real-time Transport Protocol

**RTSP**: Real-time Streaming Protocol

**MPEG**: Moving Picture Experts Group

**MWI**: Message Waiting Indicator

**NO**: Normal Opened

**NC**: Normal Connected

**NTP**: Network Time Protocol

**NAT**: Network Address Translation

**NVR**: Network Video Recorder

**ONVIF**: Open Network Video Interface Forum

**SIP**: Session Initiation Protocol

**SNMP**: Simple Network Management Protocol

**STUN**: Session Traversal Utilities for NAT

**SNMP**: Simple Mail Transfer Protocol

**SDMC**: SIP Devices Management Center

**TR069**: Technical Report069

**TCP**: Transmission Control Protocol

**TLS**: Transport Layer Security

**TFTP**: Trivial File Transfer Protocol

**UDP**: User Datagram Protocol

**URL**: Uniform Resource Locator

**VLAN**: Virtual Local Area Network

**WG**: Wiegand