On the DID/MSISDN inventory section, you can manage the phone numbers (DIDs) that you purchase from various telco partners.
Download
Click Download to download phone numbers from the DID inventory. Use the downloaded file to update DID activation and periodic costs. You can upload it back to the DID inventory or use it as a tool for analysis.
Tax transaction codes
In this window, you can configure automatic tax calculation for DID numbers’ charges via Avalara, SureTax, and GST taxation plug-ins. PortaBilling then includes the calculated tax amounts on customers’ invoices along with other taxes.
Calls to standard and toll-free DID numbers are charged differently (the calls to toll-free DID numbers are free of charge for the calling party). Thus, go to the Taxation section and add different internal tax transaction codes for standard and toll-free DID numbers on the Tax transaction codes panel.
First, map them to the plug-ins’ tax transaction codes.
Then go back to the DID inventory and specify those codes in the Activation tax transaction code and Usage tax transaction code fields for standard and toll-free DID numbers accordingly.
At the end of the billing period, the taxation plug-in(s) calculate taxes for DID numbers’ charges according to the tax transaction codes defined in the DID inventory.
Click Save to apply the configuration.
DID numbers
This tab leads you to a group of panels where you can view the list of currently available DID numbers, search for a particular DID number and create new DID numbers for testing purposes.
Pricing batches
This tab leads you to the group of panels where you can manage your DID pricing in the form of pricing batches: to view, search and/or create new pricing batches.
DID groups
This tab leads you to the group of panels where you can view the list of DID groups already created, search for a particular DID group and/or create new DID groups.

