Switching from Voice to Data
After dialing, place the modems at both ends in data mode by pressing
the TALK/DATA button. The *DA1 command can also be used to
change from talk mode to data mode.
Answering A Call
There are three ways to answer a call for a data connection:
• Manually
• AT Command
• Autoanswer
Manual Answer
When the phone rings, answer by pressing the TALK/DATA button.
AT Command Answer — A
The modem can be made to answer a call by entering ATA when the
phone rings.
Autoanswer — S0
Autoanswer is controlled by register S0. S0 determines which ring the
modem answers on. S0 can be loaded with a value between 1 and 255
for autoanswer. Entering ATS0=0 disables autoanswer. Decide which
ring the modem is to answer on and set S0 to that decimal value.When
S0 is one or greater, the modem automatically answers on the selected
ring and connects with the calling modem.
Note
If the modem is set to respond to DTR the DTR signal must
be on for autoanswer to work.
Caller ID — *ID
If the telephone company is providing Caller ID services to the local
phone line, the V.3600 can report Caller ID to the DTE.
V.3600
AT Commands
*
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