AddPac VoiceFinder AP2120 Uživatelský manuál stáhnout pdf (Strana 152)

2004 AddPac Solution Guide May 2004

AddPac Technology Proprietary & Documentation 157 - 152

Referred as Line, or transmission link.

Loopback test

A loopback test is a test in which a signal in sent from a

communications device and returned (looped back) to it as a way to

determine whether the device is working right or as a way to pin down

a failing node in a network.

MAC Address

Standardized data link layer address that is required for every port or

device that connects to a LAN. Other devices in the network use these

addresses to locate specific ports in the network and to create and

update routing tables and data structures. MAC addresses are 6 bytes

long and are controlled by the IEEE. Also known as a hardware address,

MAC-layer address, and physical address. Compare with network

address.

MAN

A data network designed for a town or city. MANs are considered

larger than LANs but smaller than WANs. Compare with: LAN, WAN.

MGCP

MGCP, also known as H.248 and Megaco, is a standard protocol for

handling the signaling and session management needed during a

multimedia conference. The protocol defines a means of

communication between a media gateway, which converts data from

the format required for a circuit-switched network to that required for a

packet-switched network and the media gateway controller. MGCP

can be used to set up, maintain, and terminate calls between multiple

endpoints. Megaco and H.248 refer to an enhanced version of MGCP

NAT

NAT (Network Address Translation) is the translation of an Internet

Protocol address (IP address) used within one network to a different IP

address known within another network. One network is designated the

inside network and the other is the outside.

NTP

Network Time Protocol (NTP) is a protocol that is used to synchronize

computer clock times in a network of computers. In common with

similar protocols, NTP uses Coordinated Universal Time (UTC) to

synchronize computer clock times to a millisecond, and sometimes to a

fraction of a millisecond.

PABX

Private Automatic Branch Exchange. A telephone switch for use inside

a corporation. PABX is the preferred term in Europe, PBX is used in the

USA.

Packet

Packets contain a source and destination address as well as the actual

message. Packets also known as Datagrams.

PBX

A PBX (private branch exchange) is a telephone system within an

enterprise that switches calls between enterprise users on local lines

1 2 ... 147 148 149 150 151 152 153 154 155 156 157

Komentáře k této Příručce

Žádné komentáře

AddPac VoiceFinder AP2120 Uživatelský manuál Strana 152

Komentáře k této Příručce

Související produkty a manuály pro Brány / ovladače AddPac VoiceFinder AP2120