Nortel Meridian M3903 Manuals (PDF)

Meridian M3903 Installation manual (1 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Control Panel and Interface Navigation, Model Variations and Compatibility, Critical Operational Precautions
Updated: 31.03.2026
Source File: 585971.pdf
Pages: 1
Description: Use the Nortel M3900 Installation manual as a guide to control and indicator descriptions, long-term storage, and also compliance information. P0903265 Issue 1.00 M3900 Series Computer Telephony Integration Adapter The M3900 Series Computer Telephony Integration…

Meridian M3903 Operation & user’s manual (124 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Performance Optimization Tips, End-of-Life Handling and Disposal, Emergency Shutdown Procedures
Updated: 16.04.2026
Source File: 585965.pdf
Pages: 124
Description: On this page: Nortel Meridian M3901 Operation & user’s manual, which shows model information, first-time setup, and also component replacement. 38 While you are away from your desk: Call Forward…

Contents

Enterprise Voice Solutions Customer Documentation

1
While you are away from your desk: Call Forward

2
Table of Contents

3
ii Draft 0.01

4
iv Draft 0.01

6
vi Draft 0.01

8
M3900 Series Meridian Digital Telephone

9
Your Telephone’s Controls

13
Terms you should know

17
Your telephone call features

19
Make a call

25
Answer a call

32
While on an active call

33
Activate Call Pickup

42
Press the Pickup Key.

43
To return to your first telephone call:

44
While you are away from your desk

45
Talk with more than one person

50
Work without interruption

54
Additional Call Features

55
Press the Goodbye Key.

67
Dial the room Directory Number (DN).

68
To reset a meter to zero:

69
Dial one of the following cleaning

70
The first digit indicates the occupancy

71
The next digit indicates the cleaning status

72
Telephone display (M3902, M3903, and M3904)

73
Use your Options Key (M3902, M3903, M3904)

75
Directory display and controls (M3903 and M3904)

88
Call Log (M3903 and M3904)

93
Redial List (M3903 and M3904)

95
Personal Directory (M3904)

96
Operate the main features on the M3901

105
Accessories for the M3900 Series telephone

115
Flexible Feature Code/Feature Access Codes

117
Accessory Connection Module (ACM)

119
Display 18, 31

120
M3901 Fixed Keys 97

121
Select a language 69

122

Meridian M3903 Operation & user’s manual (138 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Documentation and Revision History, Regulatory Compliance and Standards, Hardware Verification Checklists
Updated: 28.03.2026
Source File: 585964.pdf
Pages: 138
Description: Operation & user’s manual: Nortel Meridian M3901 — rated values and dimensions, long-term storage and problem solving.

Contents

Nortel Knowledge Network

1
M3900 Series Meridian Digital Telephone

3
ii Draft 0.01

4
iv Draft 0.01

6
M3901 Feature Operation

7
vi Draft 0.01

8
Your Telephone’s Controls

13
Terms you should know

16
Your telephone call features

18
Make a call

24
Answer a call

33
While on an active call

34
Activate Call Pickup

45
Use Call Waiting

46
While you are away from your desk

47
Secure your telephone

52
Talk with more than one person

53
Work without interruption

59
Additional Call Features

60
Press the Goodbye Key.

74
Meridian SL-100 CLASS Features

78
Select a language

86
Press the Dial Pad Key that is printed

87
Adjust Screen contrast

88
Choose Ring type

89
Use Live dial pad

90
Enable Call timer

91
Use Headset port on call

92
Set On-hook default path

93
Activate Group Listening

94
Directory display and navigation

95
To make a call from the Callers List:

101
Use the Navigation Keys to highlight

104
Use the Personal Directory

105
From the Edit Mode screen, use the

115
Use the Navigation Keys to scroll

117
Note 1: If your Virtual Office telephone is

119
Accessories for the M3900 Series telephones

128
Flexible Feature Codes/Feature Access Codes

130
access the Personal Directory 97

132
Conference 35, 48, 117

133
Information display 8

134
Callers List 93

135
ring tone 9, 59

136

Meridian M3903 Operation & user’s manual (114 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Unpacking and Inspection Guidelines, FAQ Section for Common Queries, Periodic Inspection Checklists
Updated: 24.04.2026
Source File: 1009748.pdf
Pages: 114
Description: The Operation & user’s manual for the Nortel Meridian M3901 explains assembly instructions, daily use recommendations, and also problem solving across 114 pages. 1 While you are away from your desk: Call Forward…

Contents

Nortel Knowledge Network

1
While you are away from your desk: Call Forward

2
M3900 Series Meridian Digital Telephone

3
ii Draft 0.01

4
iv Draft 0.01

6
vi Draft 0.01

8
Your Telephone’s Controls

13
Terms you should know

16
Your telephone call features

18
Make a call

25
Answer a call

32
While on an active call

33
Activate Call Pickup

41
Use Call Waiting

42
While you are away from your desk

43
Talk with more than one person

48
Work without interruption

52
Additional Call Features

53
Press the Goodbye Key.

63
Select a language

70
Press the Dial Pad Key that is printed

71
Adjust Screen contrast

72
Choose Ring type

73
Use Live dial pad

74
Set up area code

75
Enable Key click

76
Activate Headset port external alerter

77
Set On-hook default path

78
Control Group Listening

79
Directory display and navigation

80
To make a call from the Callers List:

86
Press the New Key to go to the top of

87
Use the Navigation Keys to highlight

89
Use the Personal Directory

90
M3901 Feature Operation

98
Accessories for the M3900 Series telephones

106
Flexible Feature Codes/Feature Access Codes

107
access the Personal Directory 82

109
Done Key 6, 61

110
Navigation Keys 6, 61

111
page 46, 51

112

Meridian M3903 Quick reference manual (48 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Storage and Care Recommendations, Unpacking and Inspection Guidelines, Regulatory Compliance and Standards
Updated: 08.05.2026
Source File: 1946901.pdf
Pages: 48
Description: Nortel Meridian M3902 Quick reference manual for everyday reference: main features, assembly instructions, and also problem solving. 38 While you are away from your desk: Call Forward…

Contents

Nortel Knowledge Network

1
While you are away from your desk: Call Forward

2
Table of Contents

3
ii Draft 0.01

4
Your Telephone Call Features

7
Receive a call

13
Handle multiple calls

15
Additional call features

17
To turn Group listening off:

20
Press the Options Key to make

21
Note: Once you are familiar with your

22
Change a feature key label

23
To restore all key labels:

24
Press the Done Key to save the

25
Press the Select Key to activate the

26
Use Live dial pad (M3904)

27
Set Call timer

28
Set Key click

29
On-hook default path

31
Activate Group listening

32
Directory display and controls (M3903 and M3904)

33
Call Log (M3903 and M3904)

37
Use the Personal Directory (M3904)

39
Secure your telephone

45

Meridian M3903 Quick reference manual (66 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Advanced Configuration Methods, Emergency Shutdown Procedures, Detailed Installation Instructions
Updated: 26.03.2026
Source File: 585968.pdf
Pages: 66
Description: Start with the Nortel Meridian M3902 Quick reference manual if you need what is in the box, first-time setup and settings and adjustments. i Contents M3902, M3903, and M3904 Meridian Digital Telephones 1 Your Telephone Call Features 3 Use Auto Dial…

Contents

Nortel Knowledge Network

1
While you are away from your desk: Call Forward

2
Secure your telephone

5
Your Telephone Call Features

9
Answer a call

17
Handle multiple calls

20
Additional call features

23
Select a language

29
Press the Select Key.

30
Adjust Screen contrast

33
Choose Ring type

34
Use Live dial pad

35
Enable Call timer

36
Use Headset port on call

37
Set On hook default path

38
Call Log/Personal Directory display and controls

40
Manage Call Log

43
Access and use the Personal Directory

48
From the Edit Mode screen, use the

57
Note 2: If messages have been provided

59
Note 1: The comma is the first character on

60
To exit the Corporate Directory

61
Note 1: If your Virtual Office telephone is

63

Meridian M3903 Quick reference manual (44 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: System Connectivity and Wiring Basics, Product Performance Metrics, Information on Regular Maintenance
Updated: 23.04.2026
Source File: 585969.pdf
Pages: 44
Description: Review the Nortel Meridian M3902 Quick reference manual: product description, step-by-step operation and long-term storage. ii Contents Enable Call timer .................................................................................22…

Contents

Quick Reference Guide

1
Your Telephone Call Features

6
Receive a call

12
Handle multiple calls

14
Additional call features

16
Select a language

20
Press the Dial Pad Key that is printed

21
Adjust Screen contrast

22
Choose Ring type

23
Use Live dial pad

24
Set up area code

25
Enable Key click

26
Activate Headset port external alerter

27
Set On hook default path

28
Control Group Listening

29
Directory display and controls

30
Manage Call Log

33
Use the Personal Directory

36
Secure your telephone

43

Meridian M3903 Quick reference manual (60 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: System Architecture and Design Overview, Efficiency and Calibration Tips, Package Contents and Accessories List
Updated: 19.07.2026
Source File: 1140350.pdf
Pages: 60
Description: Open this Quick reference manual to see how the Nortel Meridian M3902 works: it explains component overview, assembly instructions, together with common questions and answers. Nortel Knowledge Network Enterprise Voice Solutions Customer Documentation Meridian Digital Telephones M3902 M3903…

Contents

Nortel Knowledge Network

1
While you are away from your desk: Call Forward

2
Secure your telephone

5
Your Telephone Call Features

9
Receive a call

17
Handle multiple calls

20
Additional call features

23
Select a language

29
Press the Dial Pad Key that is printed

30
Adjust Screen contrast

31
Choose Ring type

32
Use Live dial pad

33
Enable Call timer

34
Use Headset port on call

35
Set On hook default path

36
Activate Group Listening

37
Directory display and controls

38
Manage Call Log

41
Use the Personal Directory

45
From the Edit Mode screen, use the

53
Use the Navigation Keys to scroll

55
Note 1: If your Virtual Office telephone is

57

Meridian M3903 Quick reference manual (46 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Documentation and Revision History, Warranty and Service Information, Control Panel and Interface Navigation
Updated: 11.05.2026
Source File: 902674.pdf
Pages: 46
Description: Nortel Meridian M3902 Quick reference manual for everyday reference: product description, control and indicator descriptions, plus component replacement.

Contents

Quick Reference Guide

1
Your Telephone Call Features

5
Receive a call

11
Handle multiple calls

13
Additional call features

15
Select a language

19
Press the Dial Pad Key that is printed

20
Adjust Screen contrast

21
To adjust the Headset listen volume:

23
Use Live dial pad

25
Set up area code

26
Enable Key click

27
Activate Headset port external alerter

28
Set On hook default path

29
Control Group Listening

30
Directory display and controls

31
Manage Call Log

34
Use the Personal Directory

37
Secure your telephone

44

Meridian M3903 Description (106 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Safety Recommendations and Warnings, End-of-Life Handling and Disposal, Operational Mode Explanations
Updated: 27.05.2026
Source File: 673587.pdf
Pages: 106
Description: Dive into the Nortel Meridian Meridian 1 Description for rated values and dimensions, connection and wiring, together with settings and adjustments.

Meridian M3903 Installation manual (5 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Cleaning and Sanitization Methods, Standard Operating Procedures, Emergency Shutdown Procedures
Updated: 31.07.2026
Source File: 585799.pdf
Pages: 5
Description: Nortel Meridian M3901 Installation manual: 5 pages of model information, mounting recommendations, and also recycling notes. N0023532 Page 1 of 5 Standard 2.00 Accessory Connection Module Installation Guide This document describes how to…

Contents

Page 1 of 5

1
Page 2 of 5

2
Page 3 of 5

3
Page 4 of 5

4
Page 5 of 5

5

Meridian M3903 Operation & user’s manual (146 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Control Panel and Interface Navigation, FAQ Section for Common Queries, Pre-Installation Safety Requirements
Updated: 28.03.2026
Source File: 585963.pdf
Pages: 146
Description: Complete Operation & user’s manual for the Nortel Meridian M3901, including technical specifications, step-by-step operation and common questions and answers. i Contents M3900 Series Meridian Digital Telephone 1 M3901 .............................................................…

Contents

Nortel Knowledge Network

1
While you are away from your desk: Call Forward

2
M3900 Series Meridian Digital Telephone

3
ii Draft 0.01

4
iv Draft 0.01

6
Access and use the Personal Directory

7
vi Draft 0.01

8
Your Telephone’s Controls

13
Terms you should know

16
Your telephone call features

18
Make a call

23
Answer a call

32
While on an active call

33
Use Call Pickup

45
Use Call Waiting

46
While you are away from your desk

47
Secure your telephone

52
Talk with more than one person

53
Work without interruption

59
Additional Call Features

60
Press the Goodbye Key.

76
Meridian SL-100 CLASS Features

80
Select a language

88
Press the Select Key.

89
Change a Feature Key label (M3903 and M3904)

90
Adjust Screen contrast

92
Choose Ring type

93
Use Live dial pad

94
Enable Call timer

95
Use Headset port on call

96
Set On-hook default path

97
Activate Group Listening

98
If there are no new calls, you are

106
Access and use the Redial List (M3904)

109
From the Edit Mode screen, use the

120
Note 2: If messages have been provided

122
Note 2: You do not need to enter the

123
To exit the Corporate Directory

124
Note 1: If your Virtual Office telephone is

126
M3901 Feature Operation

127
Accessories for the M3900 Series telephones

135
Flexible Feature Codes/Feature Access Codes

137
access the Personal Directory 102

139
M3903, M3904 56

140
hook switch 9

141
key layout 3

142
Remote Access Directory Number 42

143

Meridian M3903 Installation manual (2 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Additional Modules and Accessories Guide, Basic Configuration Guidelines, Troubleshooting Information
Updated: 24.08.2026
Source File: 585803.pdf
Pages: 2
Description: The Installation manual for the Nortel Meridian M3902 offers help with model information, long-term storage and safety warnings across 2 pages. Standard 2.00 2 of 2 N0023530 M3900 Series Computer Telephony Integration Adapter Guide Table 1: RS-232C pin…

Meridian M3903 Install manual (3 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Technical Data and Parameters, Warranty and Service Information, Hardware Setup Instructions
Updated: 13.04.2026
Source File: 585801.pdf
Pages: 3
Description: Take a look at the Nortel Meridian M3902 Install manual, which addresses rated values and dimensions, connection and wiring, plus settings and adjustments. Analog Terminal Adapter Installation and Reference Guide N0023538 1 of 3 Standard 2.00 This installation and reference…

Meridian M3903 Quick reference manual (46 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Product Performance Metrics, Detailed Installation Instructions, Operational Mode Explanations
Updated: 19.05.2026
Source File: 2342862.pdf
Pages: 46
Description: Complete Quick reference manual for the Nortel Meridian M3902, including technical specifications, installation guide, plus step-by-step operation. 1 M3902, M3903, and M3904 Meridian Digital Telephones M3902, M3903, and M3904 Meridian Digital Telephones There are…

Contents

Quick Reference Guide

1
Your Telephone Call Features

5
Receive a call

11
Handle multiple calls

13
Additional call features

15
Select a language

19
Press the Dial Pad Key that is printed

20
Adjust Screen contrast

21
To adjust the Headset listen volume:

23
Use Live dial pad

25
Set up area code

26
Enable Key click

27
Activate Headset port external alerter

28
Set On hook default path

29
Control Group Listening

30
Directory display and controls

31
Manage Call Log

34
Use the Personal Directory

37
Secure your telephone

44

Meridian M3903 Manual (5 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Risk Mitigation and Accident Prevention, Routine Functionality Testing, Additional Modules and Accessories Guide
Updated: 27.08.2026
Source File: 1946643.pdf
Pages: 5
Description: Manual for your Nortel Meridian M3903 — it walks through model information, first-time setup, plus control and indicator descriptions. 3 MESSAGE WAITING INDICATOR A steady red light located on the top portion of your set advises you that you have a new…

Contents

PLACE A CALL

1
PERSONAL SPEED CALL

2
MESSAGE WAITING INDICATOR

3
PROGRAMMING YOUR PHONE

4
Call Timer measures how long you are on each

5

Meridian M3903 Quick reference manual (218 pages)

Brand: Nortel
Model: Meridian M3903
Format:
Key Aspects: Pre-Installation Safety Requirements, Routine Functionality Testing, Hardware Setup Instructions
Updated: 13.04.2026
Source File: 585967.pdf
Pages: 218
Description: Need to know more about your Nortel Meridian M3903? This Quick reference manual covers first-time setup, periodic checks, and also recycling notes. Nortel Knowledge Network Enterprise Voice Solutions Customer Documentation Meridian Digital Telephones M3902 M3903…