7-24 Using the Internal Modem
Writer: Carey Gregg Saved by: Rebecca Wiggins Saved date: 02/06/98 11:07 AM
Part Number: 314932-001 File name: Ch07.doc
Starting with a Voice Connection
From the command mode of Windows HyperTerminal, follow
these instructions.
To initiate a voice call:
1
Type
AT-SSE=1
then press
Enter
to enable DSVD operation.
The modem responds OK.
2
Type
AT+FCLASS=8;DTXXXXXXX
(where X = each digit
of the phone number) then press
Enter
.
3
Type
ATD
then press
Enter
to enable DSVD mode.
NOTE:
When -SSE=1 and speakerphone are active, the D
command causes an automatic change from +FCLASS=8 to
+FCLASS=0.
To answer a voice call:
1
Type
AT-SSE=1
then press
Enter
to enable DSVD operation.
The modem responds OK.
2
If the modem is ringing, type
AT+FCLASS=8;+VLS
then
press
Enter
.
The modem is now in speakerphone mode and you can enter
AT commands.
3
Type
ATD
then press
Enter
to enable DSVD mode.
NOTE:
When -SSE=1 and speakerphone are active, the D
command causes an automatic change from +FCLASS=8 to
+FCLASS=0.