iaxLite is a simple and easy-to-use softphone based on iaxclient library..
Zoiper Classic BIZ provides secure high-quality voice calls and conference.
Helps you quickly and easily change interface descriptions and configure VLANs.
Validates the ability to install, configure,operate routed and switched networks.
SpeedVoIP Communication Technology Co., Ltd.
Circumvent VoIP blocking to protect your VoIP business and profit.
sipLite softphone is a free softphone which works with SIP protocol.
BuzzSIP is a VOIP softphone that allows you to speak with any other softphone.
Mizu Softphone is a professional VoIP softphone for Windows users.
The VpcashCalls Softphone is a basic softphone which runs on Microsoft Windows.
Cypherix Encryption Software
Secure IT 448 Bit File Folder Encryption Software, Secure Shredder, Secure Email.
Callserve Communications Ltd
A softphone application developed to access Callserve Telephony Service.
Te netVoiz SoftPhone is a software for making calls.
A softphone client for the Adphone telephony service.
Softphone developed to connect with Tpad Voice over IP network.
A basic SIP Softphone that allows to connect to VoIP PBX and providers.
The new AGEphone Desktop 2 is SIP based internet telephony softphone.