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Locking Parameters in the Configuration File
The IP Phones allow you to lock individual configuration parameters to prevent
an end user from changing the configuration on the phone. This feature allows
service providers to prevent the end-user from changing the values of specific
parameters that would affect the service they provide.
An Administrator can lock parameters on the phone by placing an exclamation
mark (
!) before the parameter in the configuration file. For example,
!admin password: 22222
!emergency dial plan: 911|999
You can lock parameters on the phone using the configuration files only. Once the
parameters are locked, they cannot be changed at all during the phones run-time.
The parameters appear as read-only when accessing the Aastra Web UI and the IP
Phone UI. In the Aastra Web UI, they appear grayed out. In the IP Phone UI the
ability to change the parameters is removed. In addition, when parameters are
locked, they cannot be changed via XML.
Configuration files
Step Action
1 Using a text-based editing application, open the configuration file for the phone, for which you want to
configure the directory list (either aastra.cfg, <mac>.cfg or both).
2 Enter the required configuration parameters followed by the applicable value. For example,
directory 1: company_directory
directory 2: my_personal_directory
3 Save the changes and close the configuration file.
4 If the parameter requires the phone to be restarted in order for it to take affect, use the
IP Phone UI or the Aastra Web UI to restart the phone.
Draft 1