Dialogic DMG1008DNI Guide de l'utilisateur télécharger pdf (Page 150)

150 Dialogic

1000 and 2000 Media Gateway Series User’s Guide — September 2007

Dialogic Corporation

Dial Plan

Figure 16. VoIP to TDM calls

The dial plan configuration will determine what calling and called numbers are sent to the TDM

device, as well as the physical TDM destination.

5.1.2 TDM to VoIP Calls

Calls originating from the TDM interface have a physical source, along with calling, called, and

redirect number information. The dial plan uses a combination of the physical source, calling,

called, and redirect numbers to determine the URL of the destination call. Take the case where a

call occurs as follows on a T1 interface:

Physical Source: Interface 2, Channel 6

Calling Number: 5402

Called Number: 95551212

A call is being received on the 6th channel of physical interface 2. The calling number (the caller)

is 5402, and the number called (dialed) is 95551212. Figure 17 below shows how this information

enters the dial plan control.

Figure 17. TDM to VoIP calls

The dial plan configuration will determine the calling number, called number, redirect number, and

VoIP address of the destination call. However, only the calling and called numbers can be used to

route the call (i.e. the redirect number is not considered for routing purposes).

Dial Plan

Calling Number: 101

Called Number: 8675309

VoIP Address: 172.16.3.131

Calling Number

Called Number

Physical TDM channel

Dial Plan

Calling Number: 5402

Called Number: 95551212

VoIP Address

Calling Number

Called Number

TDM interface: 2; Channel:6

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Dialogic DMG1008DNI Guide de l'utilisateur Page 150