13
S13
Reserved
S14
Echo, response, dialing,
Bit-mapped
originate/answer
S15
Reserved
S16
Modem test options
Bit-mapped
S17
Reserved
S18
Modem test timer
0-255/seconds
0
S19
Reserved
S20
Reserved
S21
Auto retrain, RTS/CTS,
Bit-mapped
DTR, DCD, DSR
S22
Speaker and response
Bit-mapped
S23
RDL, DTE data rate,
Bit-mapped
parity,and guard tone
S24
Reserved
S25
DTR delay
0-100/seconds
5
S26
RTS/CTS delay interval
0-255/0.01 second
1
S27
Async operation, Line
Bit-mapped
type
S36
Negotiation Fallback
0-7
7
S37
Maximum line speed
0-11
0
S38
Forced hangup delay
0-255
20
S46
Select data compression
136, 138
138
S48
Feature negotiation
0, 7, 128
7
S49
Buffer lower limit
0-255
10
S50
Buffer upper limit
0-255
200
S63
Leased Line carrier level
0-15
0
S82
Break Signaling
3, 7, 128
128
S86
Connection failure code 0, 4, 9,10, 12-14
S98
Speakerphone squelch timer 0-255/.001second
10
Section Five - Result Codes
BASIC RESPONSE CODES
OK
0
CONNECT
1
RING
2
NO CARRIER
3
ERROR
4
CONNECT 1200
5
NO DIALTONE
6
BUSY
7
NO ANSWER
8
CONNECT 2400
10
CONNECT 4800
11
CONNECT 7200
24
CONNECT 9600
12
CONNECT 12000
25
CONNECT 14400
13
CONNECT 19200
14
CONNECT 38400
28
CONNECT 57600
29
CONNECT 1200/75
22
CONNECT 75/1200
23
EXTENDED RESPONSE CODES