VoIPMDU.com Opens California Sales Office and Finalizes Several Online Incentive Programs to Boost Sales of Its VoIP Telephony Packages VANCOUVER, British Columbia, Aug. 11, 2005 (PRIMEZONE) -- VoIPMDU.com (www.voipmdu.com) (Pink Sheets:VPMD) announced today that it has opened a sales office in North Hollywood to facilitate west...