A telephone system which detects ring signals and detects caller ID signals and decodes them into caller ID data and then reformats the caller ID data into one or more alphanumeric strings useable by another computer process such as a point of sale computer process. User input is accepted such as by...http://www.google.com.au/patents/US6259780?utm_source=gb-gplus-sharePatent US6259780 - Telephone system for formatting caller ID information into a form useable by an application program and exporting the caller information to the application program