AASTRA 6700i series, 9143, 9480i, 9480i CT SIP Administrator Guide EN - Manual (Page 487)

5-210 41-001343-01 Rev 03, Release 3.2.2
Configuring BLA Support for MWI Using the Configuration Files
Configuring BLA Support for MWI using the Aastra Web UI
Use the following procedure to configure BLA support for MWI.
Configuration Files
For specific parameters you can set in the configuration files, see Appendix A, the section,
“BLA Support for MWI” on page A-94.
Aastra Web UI
1 Click on Advanced Settings->Global SIP->Advanced SIP Settings.
2 The “MWI for BLA Account” field is disabled by default. To enable this feature, place a checkmark
in the “Enabled” box.
Notes:
1. If you change the setting on this parameter, you must reboot the phone for it to take affect.
2. Both the “sip explicit mwi subscription” and “sip mwi for bla account” parameters must be
enabled in order for the MWI subscription for BLA to occur.
3. The MWI re-subscription for the BLA account uses the value set for the "sip explicit mwi
subscription period" parameter to re-subscribe.
4. Whether or not the "sip mwi for bla account" parameter is enabled, the priority for displaying
MWI does not change.
3 Click to save your changes and reboot the phone for the change to take
affect.
MWI for BLA Account
Parameter