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Mitel NuPoint Messenger Technical Documentation - Release 7.0
A base address, or known starting point, from which the individual circuits on each SS7 trunk are
sequentially numbered.
Client-server model
This model defines a type of bilateral distributed network processing in which transaction
responsibilities are divided into two areas that communicate with each other. These areas can be
designated front end (client or manager) and back end (server or agent). The client, usually a
desktop computing device, requests data or services from a server and then performs local
processing on that input. The server, a shared node on the network, provides the information and
services requested by the client.
Common Channel Signaling (CCS)
A type of telephony network architecture (for example, SS7) that separates signaling commands
from voice traffic by carrying each type of traffic on independent channels. Each channel operates
at its own speed.
Community Name (SNMP)
In SNMP applications, a password used to control access to an agent’s node information. Agents
are configured to recognize one or more community names.
Connectionless
A service or environment in which a datagram moves from source to destination by means of the
network addresses contained in its header, rather than by use of a specified, physical-connection
routing path.
Datagram
A packet, independent of other packets that, in addition to user data and other descriptive fields,
carries information sufficient for routing from source to destination. A datagram operates in a
connectionless environment: one in which a dedicated physical connection between source and
destination is not established.
DPC (Destination Point Code (SS7))
Identifies the recipient of an SS7 signaling message.
DS1
A digital communication standard operating at 1.544 Mbps. DS1 carries 24 channels, each
digitized at 64 Kbps. In the U.S., the DS1 protocol is designated T1.
E1
A digital telephony protocol with a data throughput capacity of 2.048 Mbps. E1 frames carry data
in 32 channels, out of which channel 0 is dedicated to framing and synchronization, channel 16 is
dedicated to signaling data, and the remaining 30 channels carry PCM data, such as voice.
ESMDI (Enhanced Simplified Message Desk Interface)
ESMDI is a standard call-data packet format used in NuPoint Voice Centrex applications for
unified integrations.
File Transfer Protocol (FTP)
A communication protocol that offers various user-controlled file-transfer services for the group of
Internet protocols.
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