It is also advisable to use descriptive names that reference a site name and the destination gateway for voice routes and PSTN usages. A sample set of PSTN usage and route names where round-robin gateway distribution is used for Company ABC’s routes is provided here, but these names can be modified for any site or organization’s standards. A sample set can look like this:
US-CA-San Francisco-Service Codes-SFGWs
The advantage to this is that administrators can insert all or some of these usages in various voice policies to control what numbers can be called. Since the names easily identify ...