ADTRAN Express XRT User Manual
Page 81

Appendix A. AT Commands and S-Registers
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Express XRT User Guide
67
S53
CALL TYPE
Call type (Dial service only).
0=Speech
1=Audio
2=56 Kbps data
3=64 Kbps data
S54
PROTOCOL
TYPE
Rate adaption protocol type.
2=Async BONDING
5=V110
6=V.120
11=Fallback
12=PPP async-to sync conversion
S58
CALL
SCREEN-
ING
Allows the Express XRT to screen incoming
calls.
0=Answer any call
1=Answer only calls from numbers match-
ing those stored in SN0 through SN9.
SS60
SPID1 LOC
SPID string location (only for use in North
America).
SS61
SPID2 LOC
SPID string location (only for use in North
America).
SS62
LDN1 LOC
ISDN phone number string location.
SS63
LDN2 LOC
ISDN phone number string location
S65
AUTOSPID
Sets the AutoSpid determination feature
(only for use in North America).
0=Disable (default)
1=Enable
SS67
AREA CODE
Area code location (only for use in North
America).
S71
DTE RATE
Selects the DTE connector bit rate.
3 = 1200
6 = 2400
8 = 4800
11 = 9600
15 = 19200
17 = 38400
20 = 57600
23 = 115200
25 = 230400
S72
DATA BITS
Selects the number of asynchronous data
bits.
0 = 8 bits
1 = 7 bits