Managing Number Ranges

Use

You use this procedure to define number ranges in the system and to view the number situation (for example to check which phone extension numbers are free).

The following ranges are displayed on the user interface:

• PSTN ranges

  These ranges are phone extension address ranges from the public switched telephone network that are allocated for the system. They cannot be modified in SC. However, there can be several PSTN ranges defined in the system.

• Internal ranges

  These ranges are additional ranges to the system PSTN ranges and cannot be within the PSTN ranges.

• Subranges

  These ranges define the ranges from which certain types of phone extensions must allocate their address value.

  example:

  In your system, numbers starting from 300 to 400 are allocated to agent extension numbers. Therefore, all agent extensions must be within this range.

  Subranges must be inside the defined PSTN ranges or internal ranges, and they cannot overlap with other subranges. However, you do not have to define subranges. If a corresponding subrange does not exist for an extension type, then the extension address can be allocated to anywhere within PSTN or internal ranges.

Prerequisites

• You must have rights to modify number ranges.

• You must have rights to view extensions.

• The system level number range has been added during the configuration database installation.

Procedure