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Chapter 7 – Voice Commands
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 101
<DLE> Shielded Event Codes Sent to the DTE
Table7-2 lists the supported <DLE> shielded codes sent to the DTE in the expression <DLE><code>. The
number in parenthesis in the second column corresponds to the T.50 equivalent.
Table 7-2. Supported <DLE> Shielded Codes Sent to the DTE
Code T.50 Equivalent Event Report Description
<DLE> (1/0) Two contiguous <DLE><DLE> codes indicate a single <DLE> in the
data stream
<SUB> (1/10) <DLE><DLE> in the data stream
<ETX> (0/3) End Data State
X (5/8) Packet Header for the “Complex Event Detection Report”
. (2/14) Packet Terminator for the “Complex Event Detection Report”
/ (2/15) Start of DTMF tone shielding
~ (7/15) DTMF transitions to off
R (5/2) Ring
1 (3/1) DTMF 1
2 (3/2) DTMF 2
3 (3/3) DTMF 3
4 (3/4) DTMF 4
5 (3/5) DTMF 5
6 (3/6) DTMF 6
7 (3/7) DTMF 7
8 (3/8) DTMF 8
9 (3/9) DTMF 9
0 (3/0) DTMF 0
A (4/1) Extended Keypad DTMF A
B (4/2) Extended Keypad DTMF B
C (4/3) Extended Keypad DTMF C
D (4/4) Extended Keypad DTMF D
* (2/10) Extended Keypad DTMF E
# (2/3) Extended Keypad DTMF F
o (6/15) Receive Buffer Overrun
c (6/3) Facsimile Calling
e (6/5) Data Calling
h (6/8) Line Current Break (local phone goes on-hook)
H (4/8) Line Current Detected (local phone goes off-hook)
s (7/3) “Presumed Hangup”(SILENCE) Time-out
q (7/1) “Presumed End of Message” (QUIET) Time-out
J (4/10) SIT Signal
l (6/12) Loop Current Interruption
r (7/2) Ringing Tone
b (6/2) BUSY
d (6/4) DIAL TONE
u (7/5) Transmit Buffer Underrun
p (7/0) Line voltage increase
P (5/0) Line voltage decrease (extension pickup)
a (6/1) Facsimile or Data Answer
f (6/6) Data Answer