Operation
Call Control Basics
3-4
SpectraComm Dual V.34 Modem
060R122-000
Installation and Operation
Issue 15
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
Manual Call Initiation with Stored Number
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.
Example: To initiate a call manually, type:
ATDP9W8095551234[Enter]
where:
AT
AT command prefix instructs modem to pay attention to the
characters that follow.
D
Dial command instructs modem to dial.
P
Instructs modem to use pulse dialing.
9
Instructs modem to dial 9 to reach an outside line.
W
Instructs modem to wait for a dial tone before continuing.
8095551234
The number the modem will dial (spaces and hyphens are ignored).
[Enter]
Press the Enter or Return key to send command line to the modem.
Example: To store a telephone number type:
AT&Z3=8095551234[Enter]
where:
AT
AT command prefix that instructs modem to pay attention to the
characters that follow.
&Z3=8095551234
Instructs the modem to store the telephone number in non-volatile
memory Cell 3.
[Enter]
Press the Enter or Return key to send command line to the modem.
Example: To initiate a manual call using a stored number, type:
ATDTS3[Enter]
where:
AT
AT command prefix instructs modem to pay attention to the
characters that follow.
D
Dial command instructs modem to dial.
T
Instructs modem to use tone dialing.
S3
Instructs modem to dial the number stored in memory cell 3.
[Enter]
Press the Enter or Return key to send command line to the modem.
Summary of Contents for 060A027-001
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