Siemens 1190 用户手册

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页码 127
Functions used for making calls
 21
Step by step
Switching to Speakerphone 
Conversation using the Handset
 and 
  Press and hold this key while placing the handset on the 
hook. Then release the key and resume the conversa-
tion.
Conversation using a Headset
Press the key and resume the conversation.
Switching to Handset
Conversation using the Speakerphone or a Headset
 and 
Lift the handset and resume conversation.
Switching to a Headset
Required: A headset must be connected. A key has 
been programmed for the "Headset" feature or the 
headset has an electronic control button that acts as the 
Conversation using the Speakerphone. 
Press the HEADSET ON key or activate the electronic 
hook control and resume the conversation.
Conversation using the Handset
Press the HEADSET ON key or activate the electronic 
hook control.
  Keep handset off the hook and resume conversation.
Speaker
Speaker
HEADSET ON
HEADSET ON
Headsets do not send a call ending tone (busy 
signal) at the end of a call.
oi.book  Seite 21  Mittwoch, 16. August 2006  8:41 08