Managing the Dial Plan Configuration File 281■ Destination route entries that point to nonexistent extensions orempty extension lists■ Timed route entries that overlap■ Devices that do not specify a normal table■ Devices that point to nonexistent Normal tables, Least Cost Routingtables, or pretranslators■ Pretranslator entries that have no operationsIf a telephone has no table assigned, that telephone does not havepermission to dial. The system reports this error. If a device has only aNormal table, the system reports no error.If a device has only a Least Cost table, the system reports an error. Thetelephone is still usable and has permissions defined in whatever tablehas been chosen as Least Cost. If a device has both a Normal and LeastCost table, the system reports no error (the usual condition).When the system detects an error in any line of an imported dial planconfiguration file, it ignores that line and continues to process allremaining lines in the file. This precaution minimizes the impact of errorson the dial plan.Modifying a Dial PlanConfiguration FileThis section describes how to modify the currently loaded dial planconfiguration file.CAUTION: Modifications must be syntactically correct. Each time that thesystem imports a dial plan configuration file, it verifies the file for errorsand displays the results. To avoid typing mistakes, 3Com suggests thatyou start with an existing dial plan (for example, one of the default plansthat are shipped with the system or a plan from another system), modifyit, and save it as a renamed file.To modify a dial plan configuration file:1 Click Dial Plan > Configure.2 Click the Modify tab. Scroll up and down the browser window to see thecomplete dial plan.3 Edit the dial plan configuration file.A single line of space is required between each dial plan entry. You cantype a complete dial plan entry anywhere in the file.
