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Operation
Call Initiation Examples
Refer to the description of the Dial (D n) command provided in Chapter 4 for functions of all dial
modifier characters (such as P, W, T, and S as used in the following examples).
Manual Call Initiation
Example: To initiate a call manually, type: ATDP9W8095551234[Enter]
where:
AT
D
P
9
W
8095551234
[Enter]
Manual Call Initiation with Stored Number
Example: To store a telephone number type: AT&Z3=8095551234[Enter]
where:
AT
&Z3=8095551234
[Enter]
Example: To initiate a manual call using a stored number, type: ATDTS3[Enter]
where:
AT
D
T
S3
[Enter]
Automatic Call Initiation in Response to DTR
The AT commands %Z1 and %Z3 instruct the modem to observe the state of the DTR interface
lead in order to automatically initiate a call, using the number stored in memory cell 0.
•
With %Z1, the modem dials automatically only when an Off-to-On transition is detected
on the DTR lead.
•
With %Z3, when the modem is not connected to a remote modem and DTR lead is On, the
modem automatically re-dials to restore a broken connection without intervention by the DTE.
3-4
AT command prefix instructs modem to pay attention to the
characters that follow.
Dial command instructs modem to dial.
Instructs modem to use pulse dialing.
Instructs modem to dial 9 to reach an outside line.
Instructs modem to wait for a dial tone before continuing.
The number the modem will dial (spaces and hyphens are ignored).
Press the Enter or Return key to send command line to the modem.
AT command prefix that instructs modem to pay attention to the
characters that follow.
Instructs the modem to store the telephone number in non-volatile
memory Cell 3.
Press the Enter or Return key to send command line to the modem.
AT command prefix instructs modem to pay attention to the
characters that follow.
Dial command instructs modem to dial.
Instructs modem to use tone dialing.
Instructs modem to dial the number stored in memory cell 3.
Press the Enter or Return key to send command line to the modem.
SpectraComm Dual V.34 Modem
Installation and Operation
Call Control Basics
060R122-000
Issue 15
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