This Data Logger stores over 700 X 10 digit DTMF numbers with 16 K base memory supplied (2800+ can be stored by adding memory). Records all buttons pressed during a call. Time and date recorded. Requires a terminal program to download to your computer. Data can be loaded into Excel. Included is the kit documentation, Copy of the Silicon Chip article 12/2001.
Also featured in the June 2002 Nuts-N-Volts mag. article.
Here is a typical log report
07-Aug-01 09:01:32,07-Aug-01 09:02:50,2748828821097231880838#02111111#1
07-Aug-01 09:12:07,07-Aug-01 09:14:10,23042250
07-Aug-01 09:37:51,07-Aug-01 09:37:55,
07-Aug-01 09:54:10,07-Aug-01 09:54:28,
07-Aug-01 10:12:55,07-Aug-01 10:13:36,23042250
07-Aug-01 10:27:26,07-Aug-01 10:27:47,
07-Aug-01 10:40:38,07-Aug-01 10:41:18,
07-Aug-01 10:45:51,07-Aug-01 10:46:22,230422501
07-Aug-01 10:49:07,07-Aug-01 10:49:14,88888888
Lines with no numbers pressed are incoming calls. This option can be turned off. The first line is an example of someone accessing a account balances by phone banking. The last line is opening the remote door to the apartment building. The 8 digit numbers are local numbers.
As long as the logger is connected you can monitor who is are calling and for how long.
ALSO AVAILABLE Unassembled
ORDER # 8464-KT $49.95ea/1pc $42.95ea/5pcs
WT: .6
ADDITIONAL MEMORY SET OF 3 CHIPS FOR TOTAL 64K
ORDER P/N: 14837 KT ($8.95)
