Is adds quickly SIP based dial in your software applications.
SIP Communicator - the Java VoIP and Instant Messaging client.
3CX System Ltd
Be connected to all your contacts anyhwere anytime with 3CX VoIP Client.
Robust SIP ActiveX Phone is a powerful and robust SIP ActiveX phone client.
VoIP SIP SDK provides a powerful and highly customizable solution.
It enables you to make international calls directly from your desktop computer.
Helps to replace your Microsoft Office Communicator client with Pidgin.
It is video conference client for SIP server compatible with WebSocket.
TekSIP is a SIP Registrar and SIP Proxy for Windows.
E-Soft Billing (Pvt.) Ltd.
SIP Mobile Dialer is designed for small and mid size VoIP/SIP providers.
WinSCP is a free SFTP client, FTP client, WebDAV client and SCP client.
This software enables voice, video and IM sessions based on XMPP, SIP and IAX2.
Billion Online Technology Ltd.
BOL SIPPhone is the leading SIP dialer, available for private label and logo.
Finarea S.A. Switzerland
Enter your settings in SIP-device and call at the lowest rates available.
OctroTalk is an integrated instant messaging application VoIP call, SIP call etc.
A basic SIP Softphone that allows to connect to VoIP PBX and providers.
The new AGEphone Desktop 2 is SIP based internet telephony softphone.