<p>Today, SendHub launched its Android application, upgrading the business communication app to allow unlimited calls and added new features including call forwarding, call transfer, shared groups, and auto attendant.</p><p>SendHub graduated from Silicon Valley incubator Y Combinator a year ago with a $2 million check in its pocket a sizeable amount to get the SMS-based product off the ground. The company billed itself as an SMS service for organizations and has morphed into a social business phone system.</p><p>The system works on a variety of devices and includes features such as VoIP calling and voicemail services as well as free SMS and calling. The company also offers simple text messaging and mobile marketing features, allowing business and organizations to broadcast messages to colleagues and customers through group text.</p><p>"Email is not really that medium anymore, it's just such an overburdened channel. Social media is even worse. It's often impractical to call people. So that leaves SMS. And nobody has really made SMS serious and that's what we do," SendHub cofounder Ash Rust told VentureBeat last year.</p><p><a href="http://venturebeat.com/2013/04/15/sendhub-android/">Keep reading...</a></p>