Asterisk vs. Allo

Build Voice, Video and Text Applications Easily With Asterisk, The World's Most Widely Adopted Open Source Communications Software Development Framework. Asterisk is an open source framework for developing state-of-the-art communications applications. Asterisk includes hundreds of pre-built components that handle the complex, low-level details of voice, video, and text communications. Developers use Asterisk to create custom communications solutions and to build innovative communications products. Discover how Asterisk can power your next-generation communications deployment.

The last phone system you'll ever buy. Allo is a phone system for small and growing teams, from 1 to 250 people. You get calls that hold, AI that does real work after every call, and a real person when you need help. Rated 4.7/5 on G2 by 6,000+ businesses. CALLS YOU CAN COUNT ON • 4x fewer dropped calls and spam flags, on infrastructure we built ourselves • 99.94% uptime • Local numbers in 80+ countries, and calls to 192 destinations • Unlimited national calls • Keep your number: porting is free AI THAT DOES THE WORK • Every call is recorded, transcribed and summarized, with nothing to