Dialogic DMG1000 User Manual page 162

Dial Plan
Figure 27. Setting Up the CPID Manipulation Rules
2. Set up the TDM to VoIP routing rules. Calls from the 212 area code route to the New
York Distributor. Calls from the 716 area code route to the Buffalo Distributor. Calls from
the 315 area code route to the Syracuse Distributor.
Compare the first 4 digits of the incoming calling number to determine the VoIP address
of the distributor. The table would look like this:
Figure 28. Setting Up the TDM to VoIP Routing Rules
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Dialogic 1000 and 2000 Media Gateway Series User's Guide — September 2007
Dialogic Corporation