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: Bandwidth is a communications platform that enables developers to easily integrate voice, messaging, 911 access, and phone numbers into software applications. It provides APIs and network infrastructure for building and scaling communications into apps and websites.
Type: software
Pricing: Subscription