S Register Table
Default is North America. The shaded portions of the table are stored with AT&W command.
| Reg |
| Function |
| Units | Default | Range |
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S0 | Auto answer ring number |
| Rings | 000 | |||
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| S1 | Ring counter. Read only. |
| Rings | 000 | ||
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| S2 | Escape character |
| ASCII | 043 | ||
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** | S3 | Carriage return character (CR) |
| ASCII | 013 | ||
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** | S4 | Line feed character (LF) |
| ASCII | 010 | ||
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** | S5 | Backspace character (BS) |
| ASCII | 008 | ||
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* | S6 | Wait time for dial tone. |
| sec | 002 | ||
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| *JP | |
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| 004 |
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S7 | Wait time for dial tone. |
| sec | 050 | |||
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* | S8 | Pause for dial delay modifier “,”. |
| sec | 002 | ||
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* | S10 | Carrier loss Disconnect time. |
| 100ms | 020 | ||
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* | S11 | DTMF Dialing speed. |
| 1ms | 095 | ||
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| S12 | Escape prompt delay. |
| 20ms | 050 | ||
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| S14 | General bit mapped options status. (Read only) |
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| 0: | Enable short form result codes | ATV0 |
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| Bit 3 |
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| 1: | Enable long form result codes. | ATV1 |
| 3 |
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| 0: | 10PPS | AT&P0, |
| 3 | Bit 6 |
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| &P1 |
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| 1: | 20PPS | AT&P2 |
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| S21 | General bit mapped options status (Read only) |
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| 0: | DTR behavior. | AT&D0 |
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| Bits 4, 3 |
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| 1: | DTR behavior. | AT&D1 |
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| 2: | DTR behavior. | AT&D2 |
| 3 |
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| 3: | DTR behavior. | AT&D3 |
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| 0: | DCD behavior. |
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| Bit 5 |
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| 1: | DCD behavior. |
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“*” : These
“**” : These return to default value by &W command
“*JP” : Default for Japan mode
S Register Table | 87 |