Siemens 3000 v3.0 用户手册

Call the system menu.

> < 

 [

Select and confirm the menu item.

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.

a

Press the On-hook key. The first call is ended. Your 
handset rings.

c

Press the Talk key and answer the second call.

You can suppress the call waiting tone for external calls.

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.

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.

Quit and return?

Waiting tone off?

Waiting tone on?