Aastra Telecom 57I C53I User Guide

Operational Features

41-001160-00, Rev 01  Release 2.0

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Operational IP Phone Features

The following table shows the IP phone model and the number of lines for which 
you can configure call forwarding.

Using the configuration files, you can enable or disable the ability to configure 
Call Forwarding in the Aastra Web UI and the IP Phone UI. You use the following 
parameter to enable/disable this feature:

Valid values for this parameter are 0 (disabled) and 1 (enabled). If this parameter 
is set to 0, a user and administrator can configure Call Fowarding via the Aastra 
Web UI and the IP Phone UI using the "Call Foward" options. If this parameter is 
set to 1, all "Call Forward" options are removed from the Aastra Web UI and the 
IP Phone UI, preventing the ability to configure Call Fowarding.

Use the following procedures to enable/disable Call Forwarding on the IP phones.

53i

9

55i

9

57i

9

57i CT

9

For specific parameters you can set in the configuration files for enabling/disabling Call Forwarding, see 
Appendix A, the section, 

 on