Aastra Telecom 53I User Manual

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Operational Features
41-001160-00, Release 2.1, Rev 04
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Configuring Operational Features
Operational IP Phone Features
To use the centralized conferencing after it is enabled, see your Model-specific IP 
Phone User Guide.
Configuring Centralized Conferencing Using the Configuration Files 
You use the following parameters to configure centralized conferencing in the 
configuration files:
Global Parameter
• sip centralized conf
Per-Line Parameter
sip lineN centralized conf
Configuration Files
For specific parameters you can set in the configuration files, see Appendix A, the section,