Adore Softphone delivers SIP-based communications and services for PC-to-Phone 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) and VOIP program and hardware. With the decisive benefit of profitability and feasibility, VoIP fulfils a considerable requirement for replacing traditional telecommunication in the near future, which is not too far from everybody's desk.
Adore Softphone comes with an intuitive Graphical User Interface and can be easily customized and individuated. The SIP technology can be used to make outbound phone calls from PC to any telephone.Since it implies Microsoft's g723.1 codec, it can be used to all versions of Microsoft windows without the need of external codecs and gives outstanding call quality even in dialup connection. Following are the features of the Softphone to make your every call really special and hassle-free.
Premium Features:
4 Lines,Call Recording,Hold / Unhold ,Transfer (Xfer),DND (Do not Disturb),Redial,Mute,Auto accept call,NAT/Firewall support
STUN server Support ,ICE Support,Debug Mode (SIP message log),Codec Supported,G729, G711 u, G711 a, G722, GSM, iLbc, Speex/ 8000, Speex/16000 , Speex / 32000,Codec selection and Codec Quality Control (Bandwidth control),Silence Suppression,Echo Cancellation
Uses NEW RFC 3261 compliant stack,DTMF (RFC 2833),RFC 3951: Internet Low Bit Rate Codec (iLBC),Proxy Settings,Registration Timeout
Acoustic Echo Cancellation,Packet concealing,Packet Lost Concealment (PLC),Comfort Noise Generator (CNG),Resampling,Balance Display
Credit time display.
Basic Features:
Customized skin interfaces ,Call timer ,Last Number Redial ,Touch Tone ,Address Book ,Micro Phone Volume Control ,Speaker Volume Control ,Work with any full-duplex sound card ,Auto-configuration of settings for easy deployment

The license of this software is Freeware, you can free download and free use this phone software.