Multitech MT5634HD16 User's Guide download pdf (Page 50)

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MT5634HD8/16 User Guide

44 CommPlete Communications Server

Figure 3. Standard DTMF frequencies

The extended DTMF characters (A, B, C, D) are the high-end frequencies (1633 Hz) defined on some

telephone sets with a fourth vertical column of buttons. This fourth column provides for extended PBX

control functions. The actual functions that are provided depend on the PBX manufacturer’s

implementation and feature set.

1 2 3

5 6 B

770

697

7 8 9

0 # D

941

852

1633147713361209

DigitsHz

Figure 4. Extended DTMF frequencies

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 83 84

MT5634HD8/16 User Guide 1
Revision Date Description 2
A 11/15/97 Manual released 2
FCC Fax Warning 4
Canadian Limitations Notice 4
Table of Contents 5
1 Introduction 7
Manual Organization 8
LED Indicators 9
Power Supplies 9
Technical Specifications 10
980 Hz mark 11
390 Hz mark 11
2 Installation 13
Introduction 14
Safety Warnings 14
Pre-Installation Notes 15
Installation Procedure 15
Owner’s Manual 16
3 AT Commands 17
Working with AT Commands 18
Command Editing 19
Dialing Commands 21
Dial Modifier Commands 22
V Switch to Speakerphone Mode 23
W Wait for New Dial Tone 23
, Dialing Pause 23
! Flash On-Hook 23
Phone Number Memory Commands 24
&Wn Store Configuration 25
Zn Reset Modem 25
Online Connection Commands 28
Cn Carrier Control 29
-Cn Data Calling Tone 29
F Echo Online Data Characters 29
&Gn Guard Tones 29
RS-232 Interface Commands 30
3 AT Commands 31
\Nn Error Correction Modes 32
%Cn Data Compression 32
Immediate Action Commands 33
Flow Control Commands 33
\Xn XON/XOFF Pass-Through 34
Escape Sequences 35
A Force Answer Mode 36
On Go Back Online 36
Diagnostic Commands 37
Speaker Settings 37
Mn Monitor Speaker Mode 38
4 S-Registers 39
S-Registers 40
S4 Line Feed Character 41
S5 Backspace Character 41
S6 Wait Time for Dial Tone 41
S7 Time to Wait for Carrier 41
S8 Pause Time for Comma 41
S35 Data Calling Tone 43
S37 Maximum Dial Line Rate 43
Examples of Assigning Values 44
Examples of Reading Values 45
Appendices 47
Dial Pulses 49
Tone Dial Frequencies 49
Multi-Tech Result Codes 51
D S-Register Summary 53
E AT Command Summary 55
Glossary 63
P/N 82074700 84

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Multitech MT5634HD16 User's Guide Page 50

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