AASTRA 53i 用户手册

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页码 818
Operational Features
41-001160-00, Release 2.1, Rev 04
5-103
Configuring Operational Features
Operational IP Phone Features
Configuring Softkeys and Programmable Keys
Use the following procedures to configure the softkeys and programmable keys 
on the IP phone.
Configuration Files
For specific parameters you can set in the configuration files, see Appendix A, the sections,
 on