Aastra 9143i Series Administrator's Manual page 532

Configuring BLA Support for MWI Using the Configuration Files
Configuration Files
For specific parameters you can set in the configuration files, see Appendix A, the section,
"BLA Support for MWI"
Configuring BLA Support for MWI using the Aastra Web UI
Use the following procedure to configure BLA support for MWI.
Aastra Web UI
1 Click on Advanced Settings->Global SIP->Advanced SIP Settings.
MWI for BLA Account
Parameter
on page A-97.