Description: tSIP is an open source SIP softphone and SIP client for making VoIP calls and sending instant messages over the Internet. It supports standard SIP features like audio/video calling, instant messaging, presence, and more.
Type: software
Pricing: Open Source
Description: X-Lite is a free softphone application that enables VoIP audio and video calls over the internet. It supports common calling features like call waiting, call transfer, and conference calls. X-Lite is cross-platform and works on Windows, Mac, and Linux.
Type: software