Contents

Quick reference for available telephone settings

27

Programming the telephone settings

28

Password

28

Ringer volume

29

Ringer melody

29

Handset and loudspeaker volume

30

Call processing type

30

Trunk code for operation at a PBX

31

Multiple Subscriber Numbers (MSN)

31

National variants

32

Signalling method to control the ISDN services

33

Connection code for parking/resuming a call

34

Date/time

34

Call number for call forwarding unconditional

34

Tariff unit factor

35

Activating/deactivating the display of charge/call time of the active call

35

Activating/deactivating the display of charge/call time of the last outgoing call

36

Activating/deactivating the summation meter for charges

37

Clearing the summation meter

37

Activating/deactivating the display of your own call number

38

Enabling/disabling call waiting

38

Clearing memory

39

Checking the settings (status)

39

Restoring the as-supplied condition

40

Displaying the software version

40

Important information for installation and operation

41

Maintenance

41

Removing and inserting the labelling cards

41

ISDN supplementary services

42

Technical data

42

Default settings

42

Overview: Signal tones

43

Third party use/disposal

43

Warranty

44

Siemens Service

44

Procedure in the case of malfunctions

45

ISDN glossary

46

Quick reference guide

49

Quick reference for available telephone settings

50

Index

51

VIII

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Siemens 30ISDN operating instructions Isdn glossary, Index