HARTFORD, Conn.--(BUSINESS WIRE)--TEN DIGIT Communications LLC ("TDC" or "TEN DIGIT") the developer of TDC Bridge® Intelligent Messaging Platform for Enterprises, today announced that Alpine Investors has invested in TDC. Alpine intends to integrate TEN DIGIT's advanced messaging platform with Virtual Hold Technology, (VHT), a previously acquired entity. Gary Brandt, CEO and Founder of TEN DIGIT, is appointed as Special Advisor to Alpine and VHT and will also act as reseller of the integrated m