AddPac AP-IP230, Инструкция по установке и эксплуатации

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AP-IP230 IP Phone Installation Guide Version 1.0
AddPac Technology Proprietary & Documentation
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cable modem can be used to achieve more bandwidth. Cable network also
requires modularization and demutualization process while sending the data.
Call Center
A call center is a central place where customer and other telephone calls are
handled by an organization, usually with some amount of computer
automation. Typically, a call center has the ability to handle a considerable
volume of calls at the same time, to screen calls and forward them to someone
qualified to handle them, and to log calls. Call centers are used by mail-order
catalog organizations, telemarketing companies, computer product help desks,
and any large organization that uses the telephone to sell or service products
and services.
Caller ID
A feature that displays the name and/or number of the calling party on the
phone's display when an incoming call is received. Virtually all digital phones -
as well as many analog phones - have this capability. While typically only the
number is received, most phones will display the name, if the number matches
an entry in the phone's built-in phone book.
Category 5 cabling
unshielded twisted pair (UTP) cabling. An Ethernet network operating at 10
Mbits/second (10BASE-T) will often tolerate low quality cables, but at 100
Mbits/second (10BASE-Tx) the cable must be rated as Category 5, or Cat 5 or
Cat V, by the Electronic Industry Association (EIA).
CBR
Constant Bit Rate. A data transmission that can be represented by a
nonvarying, or continuous, stream of bits or cell payloads. Applications such
as voice circuits generate CBR traffic patterns. CBR is an ATM service type in
which the ATM network guarantees to meet the transmitter's bandwidth and
Quality of Service requirements
CES
An acronym for Circuit Emulation Service. enables users to multiplex or to
concentrate multiple circuit emulation streams for voice and video with packet
data on a single, high-speed ATM link without a separate ATM access
multiplexer.
Checksum
A computed value which is dependent upon the contents of a packet. This
value is sent along with the packet when it is transmitted. The receiving
system computes a new checksum based upon the received data and
compares this value with the one sent with the packet. If the two values are
the same, the receiver has a high degree of confidence that the data was
received correctly.
Coaxial cable
A cable with a single inner conductor with foam insulation and braided shield.
There are two types of this cable; 50Ω cable for digital signaling process and
75Ω cable for analog signal process and high speed digital signal process.
CODEC
An acronym for COder-DECoder 1. Built-in circuit device for coding/decoding
of analog signal to bit stream with Pulse Code Modulation method. 2. DSP
software algorithm for compressing/ decompressing voice or audio signal