User guide

85
Index
DT288
Incoming calls 13
Information 38
Inquiry 18
Installation 79
Integrated voice mail 35
Internal follow-me 25
Internal messages 33
IPEI code 4
Key click 65
Key lock 64
Language 69
Last external number redial 15
Mailbox 35
Make calls 14
Malicious call tracing 54
Manual message waiting (MMW) 33
Messages 33
Mute microphone 17
Mute warning signal 17
Night service 52
No ringing 75
On hold 20
Other useful facilities 51
Outgoing calls 14
Paging 56
Alarm paging 58
Paging receivers with a display 57
Paging receivers with voice message 58
Paging receivers without a display and
paging via lamp signals 56
Personal number 28
Phone book 43
Add a name 45
Add a name from WhoCalled or
LastDialled lists 46
Delete names and numbers 48
Edit a name or number 47
Enter names 43
Phone lock 66
Quick call-by-name 42
Redial 15
Redial number from LastDialled list 15
Refer back 18
Ringer tones and melodies 74
Ringing signal volume 71
Ringing signals 73
Settings and adjustments 64
Change PIN code 67
Direct call 68
Display contrast 70
Display light 65
Earpiece volume 70
Key click 65
Key lock 64
Language 69
Phone lock 66
Ringing signal volume 71
Unlock a blocked telephone 67
Short numbers 41
Switching On/Off 11
Tone characteristics 72
Transfer 19
Troubleshooting 82
Unlock a blocked telephone 67
Voice mail 35
Volume 70
When you receive a busy tone 22
Automatic callback, extension 22
Automatic callback, external line 23
Intrusion on a busy extension 24