Aastra BusinessPhone Installation Instructions Manual page 34

Prepared (also subject responsible if other)
Mario PRANZL
Approved
Ulf SÖDERMARK
•
Go to Configuration (Basic) / Protocol Configuration / SIP Advanced Parameters /
Supplementary Services and set
Parameter
Enable User-Information Usage
Click Submit to save the changes.
Click Burn to save configuration permanently in flash memory.
INSTALLATION INSTRUCTION
No.
6/1537-ASB 150 02 Uen
Checked Date
2012-02-16
Value
Enable
Rev Reference
H
34 (50)