Grandstream Networks 286 user manual Glossary of Terms

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HandyTone -286 User Manual

Grandstream Networks, Inc.

9 Glossary of Terms

ADSL

Asymmetric Digital Subscriber Line: Modems attached to twisted pair copper wiring that transmit from 1.5 Mbps to 9 Mbps downstream (to the subscriber) and from 16 kbps to 800 kbps upstream, depending on line distance.

AGC

Automatic Gain Control, is an electronic system found in many types of devices. Its purpose is to control the gain of a system in order to maintain some measure of performance over a changing range of real world conditions.

ARP

Address Resolution Protocol is a protocol used by the Internet Protocol (IP) [RFC826], pecifically IPv4, to map IP network addresses to the hardware addresses used by a data link protocol. The protocol operates below the network layer as a part of the interface between the OSI network and OSI link layer. It is used when IPv4 is used over Ethernet

ATA

Analogue Telephone Adapter. Covert analogue telephone to be used in data network for VoIP, like Grandstream HT series products.

CODEC

Abbreviation for Coder-Decoder. It's an analog-to-digital (A/D) and digital-to-analog (D/A) converter for translating the signals from the outside world to digital, and back again.

CNG

Comfort Noise Generator, geneate artificial background noise used in radio and wireless communications to fill the silent time in a transmission resulting from voice activity detection.

DATAGRAM

A data packet carrying its own address information so it can be independently routed from its source to the destination computer

DECIMATE

To discard portions of a signal in order to reduce the amount of information to be encoded or compressed. Lossy compression algorithms ordinarily decimate while subsampling.

DECT

Digital Enhanced Cordless Telecommunications: A standard developed by the European Telecommunication Standard Institute from 1988, governing pan-European digital mobile telephony. DECT covers wireless PBXs, telepoint, residential cordless telephones, wireless access to the public switched telephone network, Closed User Groups (CUGs), Local Area

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Contents HandyTone-286 Rev For Firmware VersionTable of Contents 388 Restore Factory Default SettingGrandstream Networks, Inc Welcome Installation Warranty What is Included in the PackageSafety Compliances Key Features Product OverviewHardware Specification Model HandyTone-286Basic Operations Get Familiar with Key Pad and Voice PromptMake Phone Calls Calling Phone or Extension NumbersCall Waiting Direct IP CallsCall Hold Voice Prompt with option 47, thenAttended Transfer Call TransferBlind Transfer Bell style conference Call Features6 3-way Conferencing Non-bell style conferenceFax LED Light Pattern IndicationRinging Configuring HandyTone-286 with Web Browser Configuration GuideConfiguring HandyTone-286 IP through Voice Prompt IP Address Product Model HT286 REV End User ConfigurationRegistered Yes PPPoE Link Up disabled Software VersionNAT Statistical Status End User Password Web PortNAT Mapped Port IP Address Time ZoneUpdate Dhcp domain PPPoE passwordDhcp hostname Dhcp vendor classAdvanced User Configuration Dial Plan Prefix Use Bell-style Yes if Yes, *23 will be disabled Override MTU Size Home NPA AuthenticateSIP Server Preferred VocoderILBC frame size Fax ModeG723 Rate ILBC payload typeUser ID is phone RebootTimeout NumberMWI Onhook Voltage Special FeaturesCaller ID Scheme Polarity ReversalMin-SE TimerSession Expiration Caller RequestPath Config Server Path Force TimerFirmware Upgrade Postfix Config File PrefixVolume Saving the Configuration ChangesRebooting the HandyTone-286 from Remote AmplificationConfiguration through a Central Server Click to reloginSoftware Upgrade with Tftp Firmware Upgrade through TFTP/HTTPManaging Firmware and Configuration File Download Configuration File DownloadFirmware and Configuration File Prefix and Postfix Restore Factory Default Setting StepGlossary of Terms DSP DNSDid DtmfDhcp Echo CancellationFXS 323MTU IP-PBXIVR NTPRTP PstnRtcp SDPVAD TftpUDP Vlan