3.3.3 Three-party conference 29
3.3.4 Malicious caller identification 30
3.3.5 Hands free operation 31
3.3.6 Hold 32
3.3.7 Open listening 32
3.3.8 Switching the microphone on/off (muting) 33
3.3.9 DTMF/keypad signalling 33
3.3.10 Notebook 34
3.3.11 Parking a call (hot swapping) 34
3.3.12 Consultation/brokering 36
3.3.13 Placing a caller's telephone number in the 37
redial memory
3.3.14 Switching at the exchange 38
3.4 Further functions 39
3.4.1 Modifying or switching call diversion on/off 39
3.4.2 Switching direct call (baby call) on/off 40
3.4.3 Adjusting the display contrast 41
3.4.4 Displaying call charges 41
3.4.5 Adjusting the handset volume 42
3.4.6 Switching the telephone lock on/off 42
3.4.7 Tone ringing: adjusting the volume and tone 43
4 Programming 44
4.1 Default settings 44
4.2 Overview of programmable functions 45
4.3 Programming the exchange line code 46
4.4 Enabling/disabling camp-on busy 46
4.5 Call list: clearing entries 47
4.6 Call diversion: programming a call diversion destination 48
4.7 Automatic keypad switchover 49
4.8 Setting the date and time 49
4.9 Programming a direct call number (baby call) 50
4.10 Selecting the display language 51
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