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Appendix A. AT Commands and S-Registers
61202.153L3-1 Express XRT User Guide 63
S-REGISTER LIST
S0 AUTO ANSWER Determines how the Express XRT answers
an incoming call.
0 = Disable (Express XRT does not answer
call).
1 = Enable (Express XRT answers all calls).
2 = Dump all calls.
S2 ESCAPE CHAR-
ACTER
Determines which key or character (in
ASCII code) defines the escape command.
The standard escape character is a plus (+)
sign (ASCII value of 43 decimal). To change
the character set, set S2 to the desired ASCII
value.
Range = 0 to 127
S3 END OF LINE
CHARACTER
Determines which key or character (in
ASCII code) ends a command line. The stan-
dard end-of-line character is the carriage re-
turn (ASCII value of 13 decimal).
Range = 0 to 127
S4 LINE FEED
CHARACTER
Determines which key or character (in
ASCII code) advances the cursor to the next
line after ending a command line or after an
Express XRT message. The standard charac-
ter is the line feed (ASCII value of 10 deci-
mal).
Range = 0 to 127
S5 BACK SPACE
CHARACTER
Determines which key moves the cursor
back one space to erase a character. The
standard character is the backspace (ASCII
value of 8 decimal).
Range = 0 to 127
S7 CONNECT
TIME
Determines how long the Express XRT waits
for an outgoing call to be answered.
15 = 15 seconds
30 = 30 seconds
60 = 1 minute
120 = 2 minutes
240 = 4 minutes
S8 Call Rejection Determines which incoming voice calls the
Express XRT will reject.
0=Disables
1=Reject anonymous calls only
2=Reject calls on call rejection list only
3=reject anonymous and call rejection list
numbers