NEC Univerge SV8100 System Hardware Manual page 21

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UNIVERGE SV8100
(via TCP/IP)
SP310 Softphone
Figure 1-1 Simplified SV8100 System Connectivity
Highlights of the UNIVERGE SV8100 are as follows:

Pure IP System capable TDM configuration
The SV8100 supports both pure IP switching (peer-to-peer connections) and Time
Division Switching. The pure IP switching is provided for communications between
DT700 series telephones and for CCIS / Remote Unit connections with other
SV8100. On the other hand, the TDM switching is provided for communications
between legacy stations/trunks. Connection between IP network and legacy
network is made via VoIP daughter board on the CPU blade, which converts
packet-based voice data to TDM-based voice data, and vice versa.
Introduction to SV8100
1-2