Description: 3CX is an open-source IP PBX software solution that works with popular SIP phone systems. It offers unified communications features like auto attendants, call routing, voicemail, video conferencing, and more.
Type: software
Pricing: Open Source
Description: PhonerLite is a free, open source softphone and SIP client for making VoIP calls. It supports standard SIP and RTP protocols for compatibility with most VoIP systems. PhonerLite has a simple interface and basic call features like hold, transfer, conferencing.
Type: software
Pricing: Open Source