| AT Command | Value | Parameter | 
| 
 | 
 | 
 | 
| ATS0= | 0 | 0=AUTOANSWER off | 
| 
 | 
 | (default) | 
| 
 | 
 | 
 | 
| 
 | 1 | 1=AUTOANSWER on | 
| 
 | 
 | 
 | 
| ATS2= | 43 | ASCII code for escape | 
| 
 | 
 | sequence character | 
| 
 | 
 | 
 | 
| ATS3= | 13 | Code for CR | 
| 
 | 
 | 
 | 
| ATS4= | 10 | Code for LF | 
| 
 | 
 | 
 | 
| ATS5= | 8 | Code for BS | 
| 
 | 
 | 
 | 
| ATS12= | 100 | Time interval for escape | 
| 
 | 
 | sequence | 
| 
 | 
 | 
 | 
| ATS30= | 
 | Error Level: | 
| 
 | 
 | 
 | 
| 
 | 0 | No AT command; syntax, | 
| 
 | 
 | illegal register value, | 
| 
 | 
 | command not executed | 
| 
 | 
 | 
 | 
| 
 | 1 | Unknown command | 
| 
 | 
 | parameter | 
| 
 | 
 | 
 | 
| 
 | 2 | Unknown command | 
| 
 | 
 | 
 | 
| ATS31= | 0 | Protocol: X.75 (default) | 
| 
 | 
 | 
 | 
| 
 | 1 | Protocol: HDLC | 
| 
 | 
 | 
 | 
| 
 | 2 | Protocol: V.110 | 
| 
 | 
 | 
 | 
| 
 | 3 | Fax Group 3 | 
| 
 | 
 | 
 | 
| 
 | 4 | Protocol: TEL | 
| 
 | 
 | 
 | 
| 
 | 5 | Protocol: X.25 | 
| 
 | 
 | 
 | 
| 
 | 7 | Protocol: V.120 | 
| 
 | 
 | 
 | 
| 
 | 8 | Protocol: Analog Modem | 
| 
 | 
 | (V.32bis) | 
| 
 | 
 | 
 | 
| ATS35= | 14400 | Baud rate | 
| 
 | 
 | 
 | 
| ATS36= | 0 | Parity: none (default) | 
| 
 | 
 | 
 | 
| 
 | 1 | odd | 
| 
 | 
 | 
 | 
| 
 | 2 | even | 
| 
 | 
 | 
 | 
| ATS37= | 0 | Stopbits: 1 bit (default) | 
| 
 | 
 | 
 | 
| 
 | 1 | 2 bits | 
| 
 | 
 | 
 | 
| ATS38= | 0 | Data bits: 8 (default) | 
| 
 | 
 | 
 | 
| 
 | 1 | Data bits: 7 | 
| 
 | 
 | 
 | 
