Chapter 4 - Manual Dial and Automatic Answer

4.1

Introduction

36

4.2

Dialing/On-Line/Answering

36

4.3

Automatic Leased Line Restoral Operation

37

4.4

Manual Dial Backup Call Termination

37

4.5

Dial Backup and Leased Line Restoral

37

4.6

Dial-Up Operation

38

4.7

Manual Call Origination

38

4.8

Automatic Answering

39

4.9

Manual Answering

39

4.10

Handshaking Details

40

4.11

Call Termination

40

Chapter 5 - Command Mode

5.1

Introduction

42

 

5.1.1

AT Command Editing

42

 

5.1.2

Functional Modes

43

5.2

Summary of AT Commands

44

5.3

Result Codes

47

5.4

Dialing Commands

49

 

5.4.1

Dialing Action Commands

49

 

5.4.2

Dial Modifier Commands

50

 

5.4.3

Phone Number Memory Commands

53

 

5.4.4

Configuration and Default Storage Commands

54

 

5.4.5

Command Response (Result Code) Commands

56

 

5.4.6

Phone Line Conditioning Commands

58

 

5.4.7

RS-232C Interface Control Commands

61

 

5.4.8

Error Correction Commands

63

 

5.4.9

Flow Control Commands

66

 

5.4.10 Compression, Error Correction, Flow Control, Pass-Through and Pacing Commands

69

 

5.4.11

Speed Conversion Commands

70

 

5.4.12

Immediate Action Commands

73

 

5.4.13 Line Probe Commands (2834 Series only)

75

Chapter 6 - S-Registers

6.1

Introduction

78

6.2

Reading and Assigning S-Register Values

85

 

6.2.1

Examples of Assigning Values

85

 

6.2.2

Examples of Reading Values

85

6.3

AT Command and S-Register Summary

86

Chapter 7 - Callback Security and Remote Configuration

7.1

Introduction

88

7.2

Callback Feature Description

88

7.3

Remote Configuration Description

89

 

7.3.1 Initial Setup Procedures for Callback and Remote Configuration

89

 

7.3.2 Remote Configuration Procedures

92

7.4

Remote Configuration and Callback Security AT Commands

93

7.5

Remote Configuration/Callback Security S-Registers

95

iv

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Multi-Tech Systems BL-Series manual Manual Dial and Automatic Answer, Command Mode, Registers