Description: Kamailio is an open source SIP server used for VoIP and real-time communications. It handles call routing, policy enforcement, media handling, accounting, and authorization with support for presence and instant messaging.
Type: software
Pricing: Open Source
Description: sipXecs is an open source IP PBX software solution. It provides telephony and unified communications features for businesses, including voicemail, auto-attendant, call routing, conferencing, and integrations with CRM software.
Type: software
Pricing: Open Source