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A
PPENDICES
Appendix A: Caller ID Commands (Optional)
+VCIDn - Caller ID (Enables or disables Caller ID.)(for U.S.A)
This command only apply to models which support the Caller ID function.
+VCID=0
+VCID=1
Enables Caller ID with formatted presentation to the DTE. The modem will present the
data items in a <Tag><Value> pair format. The expected pairs are data, time, caller
code (telephone number), and name.
+VCID=2
Enables Caller ID with unformatted presentation to the DTE. The modem will present
the entire packet of information, excluding the leading U's, in ASCII printable hex
numbers.
Result Codes:
OK
n=0, 1 or 2.
ERROR Otherwise.
Inquiries :
+VCID?
+VCID=?
separated by commas.
Formatted Form Reporting
The modem presents the data in the <tag>=<value> pair format as described in the table below.Spaces
are present on both sides of the equal sign.
TAG
Description
DATE
TIME
NMBR
caller, where P indicates that the calling number information is not available since the originating
caller as requested private service, and where O indicates that the calling number information is
not available or out of service at the calling location.
NAME
MESG
hex numbers. This tag indicates a data item not listed above. The message is only possible for
Multiple Message Format.
Notes:
1. The modem does not present any Caller ID information if the DCE detects a checksum error
in the Caller ID packet.
2. In the event of an unrecognized data tag, the modem will present the data in ASCII hex
numbers following the MESG tag.
Example of Formatted Form Reporting
1. The following example illustrates the standard Caller ID message packet.
RING
Disables Caller ID.(Default.)
Retrieves the current Caller ID mode from the modem.
Returns the mode capabilities of the modem in a list with each element
DATE=MMDD where MM is the month number(01 to 12) and DD is the day
number (01..31).
TIME=HHMM where HH is the hour number (00 to 23) and MM is the minute
number (00 to 59).
NMBR=<number> or P or O where <number> is the telephone number of the
NAME=<listing name> where <listing name> is the subscription name.
MESG=<data tag><length of message><data><checksum> in printable ASII
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