Smoothly switch between PSTN channel and Skype channel by pressing hotkey*#* Unlimited speed-dial contacts Forward Skype calls to your mobile phone or another regular phone even if you are away from your PC Forward all calls to voicemail Three-way conference Play a prompt tone for a incoming PSTN call when you are on a Skype call Generate call ID signal on a incoming Skype call and PSTN call The standby mode is on PSTN channel (It is very necessary for emergency call such as 911) Record Skype calls and PSTN calls on your computer (Allow Auto- record) Forward your PSTN calls to Skype contacts even if you are far away your computer Individual configuration with any contacts Record your individual greeting USB interface PNP. No external power/sound card needed Echo cancellation technology ensures smooth and clear sound