10 SMG digital gateway
Fig. 1.1—Interfacing of TDM and VoIP Network Signalling and Media Streams Using SMG-4
Fig. 1.2—Interfacing of TDM and VoIP Network Signalling and Media Streams Using SMG-2
Fig. 3 shows TDM and VoIP network interfacing and uses interaction between МС240 digital PBX and
ECSS-10 software switch as an example.
Fig. 1.3—Interfacing of TDM and VoIP Network Signalling and Media Streams
Fig. 4 shows scheme of semi-permanent connection over E1 channels through an Ethernet network.
Fig. 1.4 - Semi-permanent connection over E1 channels trough an Ethernet network
1.3 Device Design and Operating Principle
SMG has a submodule architecture and contains the following elements:
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