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Chapter 1 Introduction Vmux-2100 Installation and Operation Manual
1-2 Overview
Applications
Figure 1-1 shows a Vmux-2100 application, where the gateway transmits
compressed voice over an IP network, including transparent transmission of CCS
and CAS signaling.
ISDN, SS7
PBX
ISDN, SS7
PBX
PBX
PBX
Vmux-2100 Vmux-2100
Vmux-2100 Vmux-2100
E1/T1 Trunks
Using CAS
E1/T1 Trunks
Using CAS
E1/T1 Trunks
Using CCS
E1/T1 Trunks
Using CCS
10/100BaseT 10/100BaseT
10/100BaseT 10/100BaseT
IP Network
Figure 1-1. Transmitting Compressed Voice and Signaling over IP Network
Figure 1-2 illustrates a Vmux-2100 implementing 16:1 TDMoIP compression to
transmit 480/384 voice channels over a single E1/T1 TDM link.
PBX PBX
Vmux-2100 Vmux-2100
16 x E1/T1
Trunks
16 x E1/T1
Trunks
E1/T1 E1/T1
TDM
Network
Figure 1-2. Transmitting 480/384 Voice Channels over a Single E1/T1 Link
(16:1 Compression)
Figure 1-3 shows a central Vmux-2100 operating opposite three remote
Vmux-2100 units in a point-to-multipoint application.
Vmux-2100
Vmux-2100
Vmux-2100
Vmux-2100
PSTN
PSTN
PSTN
PSTN
E1/T1s
10/100BaseT
10/100BaseT
10/100BaseT
10/100BaseT
IP Network
E1/T1s
E1/T1s
E1/T1s
Central Site
Site C
Site B
Site A
Figure 1-3. Transmitting Compressed Voice in Point-to-Multipoint Application