IP Office Basic Edition mode systems can use 2-digit or 3-digit numbering. In 2-digit systems, the user extensions are fixed as 10 to 57. In 3-digit systems, the user extensions are numbered 100 upwards by default but can be renumbered in the range 100 to 579.

In 2-digit mode, only 48 extensions are supported, in 3-digit mode a maximum of 100 extensions are supported. It is strongly recommended that these options are only used and changed on a newly installed system.

To change the numbering mode:

1.Within the system configuration select Tools | Extension Renumber.
basic_edition_renumber

Default Numbering
Select whether the systems uses 2 Digit or 3 Digit extension numbering. In 2 digit systems, the user extensions are fixed as 10 to 57. In 3 digit systems the user extension are numbered 100 upwards by default but can be renumbered. In 2 digit mode only 48 extensions are supported, in 3 digit mode a maximum of 100 extensions are supported.

Renumber From/Renumber To
These options are available for systems set to 3 Digit numbering. They can be used to renumber select extensions.

2.Continue with the basic configuration or click on the icon save config save icon to save the updated configuration and then continue.