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Equal Access Network Application
--------- __________________________________
(Phone)--------| DMS-100 |___________ |
--------- | |
NON-EAEO | |IC/INC
-------- -------- /---------\ TO
(Phone)---| |------------| DMS-200 |------------ ---- IC/INC
-------- --------- \---------/ /----->
| |
--------- ___________| |
(Phone)--------| DMS-100 |__________________________________|
---------
DMS-100 EAEO
The DMS-100 EAEO gives direct access to interLATA (Local Access and Transport
Area) carriers Point of Presence (POP) inside the LATA. The DMS-200 AT gives
a traffic concentration and distribution function for interLATA traffic
originating or terminating inside a LATA. It allows the following:
10XXX and 950-1XXX dialing
presubscription dialing
equal access and normal network control signaling
Automatic Number Identification (ANI) on all calls
custom calling services
Common Channel Interoffice Signaling
Common Channel Interoffice Signaling (CCIS) uses a separate data link to
transmit signaling messages between offices for many trunks and trunk groups.
There are two types of CCIS available in the DMS-200 or DMS-100/200, Banded
Signaling (CCIS-BS) and Direct Signaling (CCIS-DS).
CCIS-BS is for interoffice trunk signaling to give information on digits
dialed, trunk identity, and other class and routing information. This kind of
trunk signaling takes less time to setup calls and put's an end to Blue
Boxing.
CCIS-DS is used to transfer call handling information past what is required
for trunk setup. This type of signaling lets calling card validation,
mechanized calling card services and billed number screening to be used.
Cellular Mobile Radio Service
Cellular Mobile Radio Service is possible with the DMS-100 Mobile Telephone
Exchange (MTX). The MTX has the ability to serve from a few hundred to over
50,000 people in up to 50 cells.
Thanks to Northern Telecom and my local CO.
Control C
ToK!
March 1987
End of Part 1
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==Phrack Inc.==
Volume Two, Issue 12, Phile #5 of 11
THE TOTAL NETWORK DATA SYSTEM
BY DOOM PROPHET
The Total Network Data System is a monitoring/analysis network used by
several offices within the Telco to analyze various levels of switching
systems in relation to maintenance, performance, and future network planning
purposes. The systems and the offices that use them will be described in
detail in the following text.
All switching entities that are in one particular serving area collect
traffic information that is classified in three ways: peg count, overflow, and
usage. Peg count is a count of all calls offered on a trunk group or other
network component during the measurement interval, which is usually one hour.
It includes calls that are blocked, which is classified as overflow traffic.
The other measurement types that the TNDS network analyzes and collects are as
follows:
Maintenance Usage (for 1ESS, 2ESS, 5XB, 1XB, XBT)
Incoming Usage (for 1E, 2E, 4AETS)
All trunks busy (SxS)
Last Trunks Busy (SxS)
Completions (SxS, 5XB, XBT, 1XB)