T-311
Page 22
Commands flagged with ¶ and all commands preceded by * are unique to the T-311. M commands
(flagged with ¶¶
)
function differently than the AT M commands
.
Command
Function
A or A0
Answer ringing line or take line off hold
D
Dial a number
E or E0
Disable echo
E1
Enable echo
(Default)
H or H0
Place T-311 on-hook
(Default)
H1
Take T-311 off-hook
H2
Take T-311 off-hook and close remote control relay
H3
Put line on hold (or on-hook when configured for alternate disconnect)
I or I0
Display product code and rev. number
I1
Display checksum
I2
Test the T-311’s internal RAM (perform a soft reset).
L OR L0
Turn microphone off
L1
Turn microphone on
M or M0¶
Display no call progress response messages
M1¶¶
Display messages until answer (without testing for loop current (call following)
M2¶¶
Display messages until answer (with testing for loop current)
(Default)
N
Display the stored telephone number
Q or Q0
Display messages (M and V commands must also be set)
(Default)
Q1
Display no messages
V or V0
Return single digit result codes
V1
Return standard AT word messages
V2
Return two-digit result codes
V3
Return T-311 word messages
(Default)
X or X0
Enable only response codes 0 through 4 (Dial tone and busy signal are not
recognized.)
X1
(not applicable in T-311; command will function as X0)
X2
Enable dial tone detection and response codes 0 through 6
X3
Enable busy signal detection and response codes 0 through 5 and 7
X4
Enable both dial tone and busy signal detection and response codes 0 - 7
X5¶
Toggle on/off dial, busy, ringback, and reorder tones
X6
Toggle on/off the voice detector
X7
Toggle on/off the Special Information Tone (SIT) detectors
X8
Toggle on/off the DTMF detectors
X9
Toggle on/off single tone detection
XB
Enable all detectors. All call progress tones are detected and reported. (Default)
Table 4 Command Set (Sheet 1 of 2)