To set the key & feedback tones
Press to enter the carousel
Scroll to Sounds and select 
Scroll to Settings and select 
Scroll to Key & feedback tones and select 
Press to select ON or scroll to 
OFF and select 
To set the notification beep
Press to enter the carousel
Scroll to Sounds and select 
Scroll to Settings and select 
Scroll to Notification beep and select 
Press to select ON or scroll to 
OFF and select 
To activate/deactivate the music on hold
The feature allows the caller to hear music when the call is put on hold when transferring a call from one handset to the other.
Press to enter the carousel
Scroll to Sounds and select 
Scroll to Settings and select 
Scroll to Music on hold and select 
Press to select ON or scroll to 
OFF and select 
Sounds | 53 |
http://www.philips.com/faqs/dect
