Siemens Hicom 150 H Operating Instructions Manual page 56

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Functions
Send message
Delete (sent) message
Answering messages
Speaker call
Start conference
The other party does not respond
1. Continue the call
Add a party to the conference (max. five)
Leave conference
Remove party
Suppress caller ID on/off
Telephone data service
Trace call
Transfer a call
...after announcement to group
Use speed-dialing
Speed-dialing: store station
Using another phone temporarily
Using mailboxes
Operating Steps
Stn. No.
/ Wait 2 sec. /
Stn. No.
Stn No., announce if appl.
Int. ...
Int.
Stn. No.
2x
etc.
/
... /
Group
0... 9 / 000...999
* *
0... 9 Ext.
* *
Int. Code
...