Siemens HIPATH 500 - Manual (Page 60)

Step-by-Step
Conducting calls – with multiple users
52
Ending the second call
either:
Call the system menu.
> < [
Select and confirm the menu item.
or:
a
Press the On-hook key. The following message appears
on the display: "Recalling". Your handset rings.
c
Press the Talk key to talk to the first caller again.
Ending the first call.
a
Press the On-hook key. The first call is ended. Your
handset rings.
c
Press the Talk key and answer the second call.
Call waiting tone off/on
You can suppress the call waiting tone for external calls.
Deactivating the call waiting tone
c
Press the Talk key.
Call the system menu.
> < [
Select and confirm the menu item.
a
Press the On-hook key to end the process.
Activating the call waiting tone
c
Press the Talk key.
Call the system menu.
> < [
Select and confirm the menu item.
a
Press the On-hook key to end the process.
Menu
Quit and return?
Menu
Waiting tone off?
Menu
Waiting tone on?