Adoresoft delivers SIP-based communications and services for PC-to-Phone, Phone-to-PC and PC-to-PC services surrendering the world at your desktop. The Softphone allows a person to communicate over Internet with any desktops, notebooks, PDAs, stand-alone IP-phones and even with any conventional landline and mobile phones. It supports SIP industry standards and is fully inter-operable with most major Internet Telephone Service Provider (ITSP).