The 
Hi Ring Someone Windows software supports Windows XP, Vista and Windows 7. Download and install the software to your computer to enjoy free calling to the USA and other selected countries.
Click on the icon
to download
Features
Voice/Video Call
Instant Messaging (IM)
File Transfer
Call Hold /Resume Call
Address Book
Call History
Specifications
NAT/Firewall support
TUN/TURN server Support
Audio Codec (G711, GSM, iLBC, Speex)
Video Codec (H264, H.263)
DTMF (RFC 2833)
Registration Timeout
Acoustic Echo Cancellation
Packet concealing
Packet Lost Concealment (PLC)
Comfort Noise Generator (CNG)
Resampling
Customer Support
Office
Baarerstrasse 53
6300 Zug
Switzerland
T: +41 43 333 888 2
F: +41 43 333 889 2
6300 Zug
Switzerland
T: +41 43 333 888 2
F: +41 43 333 889 2
