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Panasonic Digital Business System - Operating Instructions

March 1997 Issue 24

140

A Wire Voltages For An Incoming Call

B Wire Voltages For An Incoming Call

As can be seen from the graphs, both A and B wires are at -55v for 100ms ( or more depending upon network exchange

settings) at which point there is no potential difference and hence no current flow. This may be more easily seen on the

following diagram which combines the previous two.

1 2 ... 135 136 137 138 139 140 141 142 143 144 145 146 147 148

Panasonic 1
Digital Business System 1
Operating Instructions 1
Contents 2
Introduction 7
Important Information 8
Types Of Extension 8
Proprietary Key Telephones 8
Extension Features 9
LCD Contrast Adjustment 11
Ringing Volume 11
Speaker Volume 12
Line Volume 13
Fitting The Directory Tray 14
Making An Outside Line Call 15
Direct Outside Line Access 16
Line Group Dialling 17
Prime Line Access 18
ISDN Line 19
LINE Key And Live Keypad 20
Making An Internal Call 21
Calling The System Operator 22
Operator Call Queuing 22
Receiving Calls 23
Outside Line Calls 24
Auto Answer 24
Call Pick Up 25
Group Pick Up 25
Directed Call Pick Up 26
Handsfree Answerback 26
Group Ringing 27
Group Ringing - CPC-EX v2.1 28
Holding Calls 29
Exclusive Hold 30
Intercom Hold 30
Brokers Hold 31
Extension Park Hold 32
Operator Park Hold 33
Call Transfer 34
Unsupervised Transfer 35
Special Keys 35
Conference Calls 38
External Conference 39
Internal Conference 39
Busy Override 40
Privacy Release 40
When You Receive Busy Tone 41
Exchange Line Camp On 42
Call Back Message 43
Call Waiting 46
Call Waiting With Message 47
Voice Announce 48
Call Forwarding 52
Message Lamps 53
Call Forward ID 53
Setting call forward 55
Other System Features 60
Do Not Disturb 61
Hunt Groups 62
Manager Secretary Groups 63
Personal Speed Dial 66
Storing a personal speed dial 67
System Speed Dials 68
Confirming Stored Data 70
Last Number Redial 73
Save Dial 74
Dedicated Line To Extension 75
Off Hook Signalling 75
Music On Hold 75
Hold Reminder 75
Internal Dial Tone Mute 78
Direct Inward System Access 79
DISA Break Out 79
Least Cost Routing 79
Call Barring 80
Station Lock 80
Handsets 82
The VBD Range OF Handsets 83
Optional Features 86
Headset Connection 87
Doorphone Interface 88
External Paging 88
Loud Ringing Bell 88
Call Charge Data Display 90
Call Logging 90
CPC-EX Call Logging 93
DASSII ISDN Features On DBS 96
Dialling 100
Speed Dial Memories 101
Direct Dial In 101
Calling Line Identification 102
Confirming Call Charge Data 103
Voice Announce Unit 105
Recording A VAU Message 106
Changing A VAU Message 106
Checking a VAU message 107
One Digit Dialling 108
Cancelling A One-Digit Code 109
Applications 110
Operator Features 111
Operator Busy Override 113
Night Service 114
Extension Feature Clear 115
Setting Extension Lock Codes 116
Changing Time And Date 122
Call Traffic Monitoring 124
Assigning Names To Extensions 127
Storing Absence Messages 130
Storing Trunk Names 131
March 1997 Issue 24 144

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