Multitech MT3334HD8 User's Guide download pdf (Page 76)

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MT3334HD8 User Guide

70 CommPlete Communications Server

Figure B-2. 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 B-3. Extended DTMF frequencies

1 2 ... 71 72 73 74 75 76 77 78 79 80 81 ... 99 100

MT3334HD8 Modem 1
User Guide 1
FCC Fax Warning 4
Canadian Limitations Notice 4
Table of Contents 5
1 Introduction 7
LED Indicators 8
Power Supplies 8
Manual Organization 8
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
3 AT Commands 17
Working with AT Commands 18
Command Editing 19
MT3334HD8 User Guide 20
3 AT Commands 21
Dialing Commands 22
Dial Modifier Commands 22
P, T Pulse or Tone Dialing 23
W Wait for New Dial Tone 23
, Dialing Pause 24
: Continuous Redial 24
! Flash On-Hook 24
Phone Number Memory Commands 25
NdNe Number Linking 26
&Wn Store Configuration 26
Z Reset Modem 27
Online Connection Commands 30
%DCn AT Command Control 31
>DTn DTMF Detection 31
#Fn Fallback Modes 32
&Gn Guard Tones 32
*Hn Busy-Out After Disconnect 32
&Pn Set Pulse-Dial Ratios 32
$Tn Calling Tone 33
#Tn Trellis-Coded Modulation 33
V.34 Commands 34
RS-232 Interface Commands 35
&Rn Clear to Send Control 36
&En Data Compression 37
$An Auto-Reliable Buffering 38
Speed Conversion Commands 39
$MBn Modem Baud Rate 40
$SBn Serial Port Baud Rate 40
Immediate Action Commands 41
Flow Control Commands 42
Escape Sequences 45
Remote Configuration Commands 46
Line Probe Commands 47
Diagnostic Commands 48
Un Loopback Test Modes 49
4 S-Registers 51
S-Registers 52
S4 Line Feed Character 53
S5 Backspace Character 53
S6 Wait Time for Dial Tone 53
S8 Pause Time for Comma 53
S17 Changing Break Time 54
S37 DTR Busy-In Time 56
S43 Force V.34 Connect Speed 56
S94 Out-of-Service Time 56
Examples of Assigning Values 57
Examples of Reading Values 57
5 Testing the MT3334HD8 59
Test procedure 61
NTER; you 62
NTER. If you 62
NTER to hang up 62
6 Warranty, Service, and 65
Technical Support 65
Limited Warranty 66
The Multi-Tech BBS 68
About CompuServe 69
About the Internet 70
NTER at the DOS prompt 71
SC when finished 71
Appendixes 73
Dial Pulses 75
Tone Dial Frequencies 75
C Result Code Summary 77
RELIABLE 77
D S-Register Summary 79
E AT Command Summary 81
Basic Procedure 91
Changing the Passwords 92
P/N 82063701 100

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Multitech MT3334HD8 User's Guide Page 76

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