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IP Office has a very flexible numbering scheme for extensions, hunt groups and feature commands. While the system has default numbering for feature codes and extensions, they can all be re-defined. Default extensions and hunt groups have 3 digit numbers starting at 200 but these can be changed from 2 to 9 digits through the IP Office Manager application. There is a default set of feature access -short codes- but these can be changed to what ever the end user requires, within limits. This is useful for example, if IP Office is replacing a system where DND was accessed by dialling *21, it is possible to change the IP Office Short Code to mimic the code of the replaced system.

• When calling an extension that is busy, set the system to call you when the extension becomes free. This feature is also called "Ringback When Free".
• When calling an extension that just rings, set the system to call you when the extension is next used. This feature is also called "Ringback When Next Used".

Avaya IP Office Phone System Features List

New! Have you seen our new Avaya IP Office Phone System site at http://officephonesystem.co.uk? Every IP Office Phone System feature has been updated there, and it also includes all the latest information about Avaya IP Office Release 9, out September 2013.