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44 Special Functions
There are two kinds of caller information message formats sent by
the phone company:
• One is the single message format which includes date, time, and
caller ID.
• The other is the multiple message format which also includes
the caller name as registered with the phone company.
The command ATS40.2=n is used to enable (n=1) or disable (n=0)
the Caller ID detection function. The default is disabled. Enable it
only when you have this service and want to enable its detection.
OONOTE: THE CALLER ID MESSAGE MAY CAUSE SOME COMMUNICATION SOFTWARE TO
BECOME CONFUSED. IF YOU PLAN TO USE THE CALLER ID FEATURE, BE SURE
YOU ARE USING SOFTWARE THAT SUPPORTS IT (SUCH AS ZFAX).
In single message format, the modem will send a ring message to
the terminal as follows:
RING
TIME: <MM-DD hh:mm>
CALLER NUMBER: <CALLER_ID> or CALLER
NAME:<CALLER_NM>
RING
MM is the two-digit month message, DD is the two-digit date
message, hh is the hour and mm is the minute of the time, and
CALLER_ID is the phone number of the caller or CALLER_NM
his/her name.
The following is an example of a caller ID message as it might
appear on your screen:
RING
TIME: 04-28 12:30
CALLER NUMBER: 7135551414 or CALLER NAME: