Telecom Glossary T4
TDD - Telecommunications Device for
the Deaf
Telecommunications system - A collection
of individual communications networks, transmission
systems, relay stations, tributary stations, and data
terminal equipment (DTE) usually capable of interconnection
and interoperation to form an integrated whole. Note:
The components of a communications system serve a
common purpose, are technically compatible, use common
procedures, respond to controls, and operate in unison.
Telemanagement - The management
of a company's telephone and telecommunications systems,
from call accounting to corporate inventory management.
Telco - Telephone Company
The local or regional telephone company that owns
and operates lines to customer locations and Class 5
Central Office Switches. Telcos have connections to
other COs, Tandem (Class 4 Toll) offices and may connect
directly to IECs like WorldCom, AT&T, MCI, Sprint,
LDDS, etc.
Long Distance Glossary
(A-1)
(A-2)
(A-3)
(B-1)
(B-2)
(B-3)
(B-C)
(C-1)
(C-2)
(C-3)
(C-4)
(C-5)
(C-6)
(C-7)
(C-8)
(D-1)
(D-2)
(D-3)
(D-E)
(E-F)
(F-1)
(G-1)
(H-I)
(I-1)
(I-2)
(I-3)
(I-4)
(J-L)
(L-1)
(L-2)
(L-3)
(L-M)
(M-N)
(N-1)
(N-O)
(O-1)
(O-P)
(P-1)
(P-2)
(P-3)
(P-4)
(P-5)
(P-R)
(R-1)
(R-2)
(R-3)
(S-1)
(S-2)
(S-3)
(S-4)
(S-T)
(T-1)
(T-2)
(T-3)
(T-4)
(T-5)
(T-6)
(T-U)
(V-1)
(V-2)
(V-Z)
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