Asterisk vs. Cisco Hosted Collaboration Solution

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.

AT&T can deliver a rich array of PBX/IP Telephony features, IP Phone, video phone and soft phone support for making calls over the public switched telephone network, or over the computer via IP, Single Number Reach on wired and wireless devices to reduce missed calls, Voicemail and Unified Messaging to capture your voice messages and make them available via an email message, Presence and collaboration to quickly locate and connect with contacts