- Telephone recorder interface- Records from all telephones on the same phone line- Record automatically with voice-activated recorders- Connect this interface to voice recorder and to a single line telephone jack to record your phone calls from any home telephone- Record automatically when using a voice activated recorder while on single line analog or DSL telephone lines- Manually record calls on other single line telephone systems (VoIP, cable, internet or digital phone services)- Includes a 3.55 plug