AT&T Business Messenger

AT&T Business Messenger is a mobile messaging tool for the workplace. Business Messaging allows you to do one-to-one chat, group chat and even broadcast messages to coworkers enhancing productivity and making your business communications easier. 
Features Include: 
• Broadcast messages to 20,000 recipients 
• Create groups messages on the fly with the coworkers 
• One-to-one chat 
• Message delivery confirmation 
• Integration from other protocols supported by AT&T Business Messaging (SMTP, SNPP, WCTP, TAP) 
• SMS fallback 

Only Available for AT&T Subscribers in the U.S.