Palo Alto, CA (PRWEB) Sept 23, 2009 -- Zenring, Inc., a VoIP startup innovating orbicular ambulatory telephony, today launched its Zenring assist featuring the prototypal ambulatory to ambulatory liberated orbicular calling. Zenring enables users to attain liberated daylong indifference and planetary calls from their ambulatory phones to another Zenring users worldwide finished a simple USB device called a zenpal. Zenring is liberated to tie and liberated to use without purchase occupation credits required by Skype and Google Voice.