NEC NEAX 2000 IPS - Manual (Page 23)

Chapter 2 System Configuration System Outline
NEAX 2000 IPS Configuration Guide
NDA-24347, Issue 1
Page 13
Station-to-Station
Connection For Dterm IP-to-Dterm IP connection (Peer-to-Peer connection), the voice data is
transmitted and received directly between Dterm IP telephones on the LAN.
For Dterm IP-to-Legacy terminal connection, the IP-PAD card and VCT card are
required to transmit and receive the voice data. These cards are used to control and
convert the voice data.
The control signals are managed by the MP card in both types of connections.
Figure 2-6 System Outline of Station-to-Station Connection
Dterm IP Dterm IP Dterm IP
Control Signal
(PROTIMS over IP)
Control Signal
Voice Data
(Peer-to-Peer Connection)
IP-PAD
MP
LAN
Voice Data
LC/DLC
TDSW
Legacy Terminal