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Back to article list Search Articles Add Comment Printer friendly Direct link Par2: Caller ID 1999-11-07 -- Craig Ransom copy of message from -- Craig (The Data Ferret):
If you mean for use in a Clarion program, just use CLACom or WinEvent. You
don't need anything more sophisticated than that!
You will have to have:
1. Caller ID enabled on your phone line. (Hint: getting Caller ID ALSO
forces the phone company to "condition" your phone line. The cost of Caller
ID is usually LESS than getting a "conditioned" line, so you get two-for-one
at a discount!)
2. A Caller ID-enabled modem.
3. Write your code using CLACom or WinEvent. The modem should come with a
manual or help file that will explain what commands to use. The USUAL
command is the "AT #CID=1 S0=255" string. The #CID=1 enables Caller Id and
S0=255 sets up the modem to respond to incoming signals, but to not actually
answer the phone.
Note that using #CID=1 decodes the incoming Caller ID into several lines.
Using #CID=2 brings only one line but it is in Ascii HEX format.
Here are some examples:
AT #CID=1 S0=255
OK
RING
DATE = 1025
TIME = 1851
NMBR = 4105551212
NAME = MARYLAND
RING
AT #CID=2 S0=255
RING
802701083130323531383532020A34313035353531323132070F4D4152594C414E4420202020
20202057
RING
N.B. The Ascii Hex format does NOT wrap to two lines. It is terminated by a
LF or CR/LF.
Here's a breakdown of the Ascii Hex record:
80 Record header byte
27 Record Length
01 Section Type (01 = Date/Time)
08 Section length = 8 bytes
31 1 Date Month 1st digit
30 0 Date Month 2nd digit
32 2 Date Day 1st digit
35 5 Date Day 2nd digit
31 1 Time Hour 1st digit
38 8 Time Hour 2nd digit
35 5 Time Min 1st digit
32 2 Time Min 2nd digit
02 Section Type (02 = Phone Number)
0A Section Length = 10
34 4 Phone Number digit #1
31 1 Phone Number digit #2
30 0 Phone Number digit #3
35 5 Phone Number digit #4
35 5 Phone Number digit #5
35 5 Phone Number digit #6
31 1 Phone Number digit #7
32 2 Phone Number digit #8
31 1 Phone Number digit #9
32 2 Phone Number digit #10
07 Section Type (07 = Text/Name)
0F Section Length = 15
4D M
41 A
52 R
59 Y
4C L
41 A
4E N
44 D
20
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