YK–1808 is designed for single line user, installation is simple that just plug the original tele-phone line to either one of the socket at the back of Tele-phone Genius and plug the supplied telephone wire　 to another socket and connect with the telephone　 set. Then plug and connect the supplied USB cord　 from the device to your PC's USB Port accordingly. Lastly install the driver and application software　　 that you can find inside the CD. The entire process is completed and you can start to use the Digital　 Telephone Genius.

　　YK–1808 is also allow you to use the "Y" split plug to connect the telephone set and telephone　　 line to one of the socket appear at the back of Telephone Genius as per above illustration diagram. 　　Then plug and connect the supplied USB cord from the device to your PC's USB Port accordingly. Lastly install the driver and application software that you　 can find inside the CD. The entire process is completed and you can start to use the Digital Telephone Genius.

　　YK–1808 also allow to connect to use with the single line PABX System, installation method is also simple which is similar to connect with the normal telephone set, one socket for the telephone line while another to the PABX System Telephone Line Port. Plug and connect the supplied USB cord from the　 　device to your PC's USB Port same as above process. Then install the driver and application software 　　that you can find inside the CD respectively. Any of the Telephone sets connect with the PABX System will activate the Telephone Genius in fuction when a phone call is made or received.