3Com 000839-08 Manual page 169

Register Default
S10 (cont.)
S11 70
S12 50
S13 0
164
T
ECHNICAL
Function
A better alternative is to ask your phone company how to temporarily disable call
waiting (usually *70W). For example: ATDT *70W phone number.
Note: If you set S10 = 255, the modem will not hang up when carrier is lost.
Dropping DTR hangs up the modem.
Sets the duration and spacing, in milliseconds, for tone dialing.
Sets the duration, in fiftieths of a second, of the guard time for the escape code
sequence (+++).
Bit-mapped register. Select the bit(s) you want on and set S13 to the total of the
values in the Value column. For example, ATS13 = 17 enables bit 0 (value is 1) and
bit 4 (value is 16).
Bit Value Result
0 1 Reset when DTR drops.
1 2 Reset non-MNP transmit buffer from 1.5K to 128
bytes.*
2 4 Set backspace key to delete.
3 8 On DTR signal, auto dial the number stored in
NVRAM at position 0.
Q R
UICK EFERENCE