Grandstream Networks HandyTone-496 Manual De Usuario

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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 

 found in many types of devices. Its purpose is                      

to control the 

 of a system in order to maintain some measure of performance over a 

changing range of real world conditions. 

Address Resolution Protocol is a protocol used by the 

pecifically IPv4, to map 

 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 

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

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. 

Comfort Noise Generator, geneate artificial background 

 and 

communications to fill the 

 time in a transmission resulting from 

. 

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

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. 

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 
Networks, and wireless local loop. The DECT Common Interface radio standard is a 
multicarrier time division multiple access, time division duplex (MC-TDMA-TDD) radio 
transmission technique using ten radio frequency channels from 1880 to 1930 MHz, each