We add prefixes to splynx for identify the calls when the CDR is imported. We could also import all prefixes from a .csv file.
In Voice → Prefixes, click on add.
Complete the fields.
Prefix - Add the prefix using the patterns from "Examples".
You can use phone patterns for match phone numbers group. Patterns are created with using special symbols. Examples.
Destination - Field for identify which type of destination is that prefix, like international, fixed, mobile...etc.
Rate Type - Set Call, SMS or Data.
Category ID - Select the category. Should be previously added.
Other way is to use the import tool.