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6.7 Dial Commands
Dial commands let the modem originate a call to another modem. These commands can be used with
either tone- or pulse-dial telephone systems.
6.7.1 D
(D)
IALING
To dial a number—for example, 555-1212,
Enter AT D 555-1212
The modem dials the number, either pulse or tone, whichever is currently in effect, and takes the role
of the originate modem.
You can use spaces, hyphens, parentheses, or other punctuation except dial modifiers to make the
command line easier to read and enter. For example, these are all treated the same:
AT D 1-800-555-1212
AT D 1 (800) 555-1212
ATD18005551212
The dial modifiers are shown in Table 6-6.
Modifier
T
P
'
W
!
R
@
;
S
†default
CHAPTER 6: Asynchronous Operating Commands
Table 6-6. Dial Modifiers.
Operation
Tone dialing†
Pulse dialing
Insert a long pause (2 seconds or value in S8)
Wait for 2nd dial tone
Flash (
1
⁄
second)
2
Switch to answer mode after dialing
Wait for silence
Return to command mode after dialing
Dial stored command line or number
6 3
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