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2. CPX-1000 Voice Services Platform Description 1000-A2-GN22-00
2-4 February 2003
Figure 2–2. CPX Functional Diagram (T1 Interface)
0481
EOC
Process
Management
Process
Echo
Cancellation
and
Compression
Voice Bus
Voice Voice
Voice/
Control
Splitter
Control
T1 Interface Controller
OC3 Port
Q.931 (LAPD) Link Layer
ATM Modules
Packet Interface
CPX-1000
Shelf
T1 Modules
PSTN Interface
CP
Modules
MP Module
Control
Call
Processing
Engine
TMC
Processing
IAD
Signalling and
Connectivity