Cotap

All-in-one communication. Group texting, voice & video calling and file sharing on any device, all in one place. http://www.cotap.com

Cotap brings mobile messaging to the workplace, providing anywhere, anytime access to people, groups and files you need to get work done. Send 1-to-1 or group messages as well as files to anyone, just by signing up with your work email. Your coworkers automatically appear in a global company directory.