User`s manual

U.S. Robotics I-modem Command Reference
Working with Memory • Page 4-7
Last-Dialed Number (DL?)
At this command, the I-modem sends the number stored in the last-dialed number buffer:
ATDL? <Enter>
Table 4-2. Default (NVRAM) S-register Settings
S-registers
NVRAM
Default
Setting
S0 Auto Answer 0
S1 Counts & stores rings from incoming calls 0
S2 Escape code character 43
S3 Carriage Return character 13
S4 Line Feed character 10
S5 Backspace character 8
S7 Carrier wait-time, sec 60
S8 Dial pause, sec 2
S9 Carrier Detect time, 100 ms 6
S10 Carrier loss wait-time, 100 ms 7
S11 Tone duration, spacing, ms 70