Specifications: Do you want to use your regular phone with internet phone over skype? Do you feel the headset is a little bit of inconvenience when you make a skype call? Skypecb-01 skype/USB phone box is your best choice. You can make a skype communication using an existing normal phone which is more convenient than headset. And skypecb-01 gives your possibilities to make both pstn and skype call. Features: Make/receive both free VOIP calls and pstn regular calls simultaneously. Support skype, an instant message communication tool. Easy program installation and non-driver installation. Plug & play supported through USB interface for easy use. Use the regular phone (corded or cordless) just like USB phone. Rings on a pstn or VOIP incoming calls. Pstn or skype selectable by phone hook-switch. Dial using the phone keypad for skype dial menu. Built-in sound card for an excellent digital-quality internet phone use. Echo-free high quality audio sound. Full duplex communication. Comply with h.323, sip protocol. act, line, ip LED indicators. Support other voice messenger programs like MSN. One rj11 interface to pstn and one rj11 interface to normal phone. One USB interface to PC. Small dimension, cost-effective. High quality and stability.