Aastra 9143i Series Administrator's Manual page 745

Configuring Vendor Configuration File Encryption
Use the following procedure to configure vendor configuration file encryption on
the IP Phones.
Configuration Files
For specific parameters you can set in the configuration files for automatic update, see Appendix A, the
section, "Configuration Encryption Setting"
41-001160-04 Rev 02, Release 2.5
on page A-271.
Encrypted Files on the IP Phone
Encrypted Files on the IP Phone
7-7