Injae's Laboratory
get caller id from phone line
https://stackoverflow.com/questions/20138819/using-modem-for-caller-id
https://www.codeproject.com/Questions/1078120/How-do-i-get-number-on-first-or-second-ring-from-u
https://sourceforge.net/projects/simplecallerid/
USB Caller ID Adapter
https://www.dualcomm.com/product-page/usb-caller-id-adapter
56K Data/Fax Modem With USB Interface Two Jacks, Support Caller ID on eBay
https://www.ebay.com.au/itm/56K-Data-Fax-Modem-With-USB-Interface-Two-Jacks-Support-Caller-ID-WS/222644864027?_trkparms=pageci%3Aaaf1a17a-2cf2-11e8-82ef-74dbd180dabf%7Cparentrq%3A481ad0641620a866b46dba7cfff4218a%7Ciid%3A1&_trksid=p2481888.c100675.m4236
https://www.codeproject.com/Questions/1078120/How-do-i-get-number-on-first-or-second-ring-from-u
https://sourceforge.net/projects/simplecallerid/
USB Caller ID Adapter
https://www.dualcomm.com/product-page/usb-caller-id-adapter
56K Data/Fax Modem With USB Interface Two Jacks, Support Caller ID on eBay
https://www.ebay.com.au/itm/56K-Data-Fax-Modem-With-USB-Interface-Two-Jacks-Support-Caller-ID-WS/222644864027?_trkparms=pageci%3Aaaf1a17a-2cf2-11e8-82ef-74dbd180dabf%7Cparentrq%3A481ad0641620a866b46dba7cfff4218a%7Ciid%3A1&_trksid=p2481888.c100675.m4236