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S-Registers List
Function
Command
Switch Type
S52
Call Type
S53
Protocol Type
S54
Call Screening
S58
Expert ISDN
S65
DTE Rate
S71
Data Bits
S72
DTE Parity
S73
61200240L2-20
Appendix A. AT Commands and S-Registers
(Continued)
Features
Selects the network switch type for dial service.
0=LUCENT 5ESS
2=National ISDN-1
3=NEC
4=EuroISDN
Call type (Dial service only).
0=Speech
1=Audio
2=56 Kbps data
3=64 Kbps data
Rate adaption protocol type.
2=Async BONDING
5=V.110
6=V.120
11=Fallback
12=PPP async-to sync conversion
Allows the Express 3100 to screen incoming calls.
0=Answer any call
1=Answer only calls from numbers matching those stored
in SN0 through SN9.
Sets the AutoSpid determination feature.
0=Disable (default)
1=Enable
Selects the DTE connector bit rate.
3 = 1200
6 = 2400
8 = 4800
11 = 9600
15 = 19200
17 = 38400
20 = 57600
23 = 115200
25 = 230400
Selects the number of asynchronous data bits.
0 = 8 bits
1 = 7 bits
Selects the number of asynchronous parity bits.
0=None
1=Odd
2=Even
Express 3100 User Manual
A-13
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