Aastra 400 Series System Manual page 471

System configuration
Tab. 279 Wait until free: System configuration
Parameter
No settings
Reference to Other Features
Features:
• "Callback if user busy / free", page 467
• "Message function", page 456
System functions and features as of R3.0
syd-0367/1.3 – R3.0 – 03.2013
Parameter value Remarks
Features
471