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MGC+ Hardware and Installation Manual
3-5
Information Flow
Figure 3-5 shows the flow of information within the system.
Figure 3-5: Signal flow process
Information enters the MGC+ units from the telecommunications network via
a PBX or CSU, and into the Network Interface Module. The information is
then transferred to the MUX+ Module via the Internet.
The MUX+ Module is not used with the H.323/SIP modules.
I/O Card
I/O Card
Network
Interface
Module
VoIP Network
Interface
Module
(includes MUX )
MUX
Module
Main
Control
Module
ISDN/T1-CAS
H323/SIP
MPI
ISDN/MPI
+
Video
Module
Data
Module
Audio
Module
++
+