Description Skype/USB Tel Box-YX-011provides the high quality of VoIP communication by easy connection to the Internet. it can be connected to the regular phone and enable the user to place an internet phone call exactly the same as if you are placing a regular call. It has been designed to be interoperable with messenger voice communication program such as Skype... etc. 1. Receive both VoIP calls and PSTN regular calls simultaneously 2. PC-to-PC, PC-to-PSTN, PSTN to PSTN operation 3. Built-in sound card for an excellent digital-quality internet phone use 4. Complies with H.323, MGCP, SIP protocol and Support Skype, an instant message communication tool 5. Echo cancellation, noise reduction, Full duplex communication6. Easy program installation and non-driver installation 7. High quality and stability, Small dimension, cost-effective 8. Dial using the phone keypad for Skype “Dial” menu 9. PSTN or Skype selectable by phone hook-switch 10. Rings on a PSTN or VoIP incoming calls 11. Use the regular phone (Corded or Cordless) just like USB phone 12. Plug & Play supported through USB interface for easy use Properties * One USB interface to PC, Connect USB Telbox, ACT indicator will be on. * One RJ11 PSTN-line interface to PSTN central office or PABX, Plug PSTN line in "LINE" port,“LINE” indicator will be on. * One RJ11 Phone interface to Telephone, when use skype, "IP"indicator will be on.