Matrix Setu ATA211G Especificações Página 135

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Matrix SETU ATA211G System Manual 131
Multi Stage Dialing
Multi-stage Dialing is useful when SETU ATA211G connected to a SIP Server being used for networking the PBXs
of multiple sites. The extension users of the networked PBXs can dial the entire number string, both the destination
number and the extension number of the destination PBX together. The SETU ATA211G will split the string into two
stages. It will dial out the destination number first, and on receiving the answering signal from the PBX, it will dial
the extension number. Thus, extension users of all the networked PBXs can call each other, without hassle.
Let us understand this with the help of an example.
An organization has multiple offices across the globe: Canada, Australia, India and China. They require
voice over IP network connectivity for inter-branch calling.
At each office site, the existing voice infrastructure includes a PCM/ TDM PBX that does not support VoIP
connectivity.
So, to network the PBXs of the branch offices,
SETU ATA211G is interfaced with the existing PCM/ TDM PBX at each country office for VoIP
connectivity.
At the Head Office, an IP PBX is installed, connected to the public IP network.
The SETU ATA211G installed at the branch offices are registered with the IP PBX at the head office..
At the Canada office, PBX1 is interfaced with SETU ATA211G, which is assigned the SIP ID 21.
At the Australia office, PBX2 is interfaced with SETU ATA211G, which is assigned SIP ID 22.
FXS2
FXS1
PBX1
FXS3
FXS4
101
102
103
104
FXOn
FXO2
FXO1
FXS
PSTN
21
ATA1
PSTN
22
FXS
FXOn
FXO2
FXO1
FXS2
FXS1
FXS3
FXS4
101
102
103
104
PBX2
ATA2
PSTN
FXOn-1
FXOn
FXO1
FXS2
FXS1
FXS3
FXS4
101
102
103
104
PBX4
24
FXS
ATA4
FXS2
FXS1
PBX3
FXS3
FXS4
101
102
103
104
FXOn-1
FXOn
FXO1
PSTN
FXS
23
ATA3
IP PBX
ATA1 - 21
ATA2 - 22
ATA3 - 23
ATA4 - 24
IP
IP
IP
IP
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