difference between (product support or customer service) representative..

Philippines
@nehmer (609)
April 30, 2010 10:14am CST
i just wanna clarify my mind about the distinction between the two.. the customer service representative is the callcenter agent itself.. am i correct? so what do product support representative do in a callcenter company?? if you are an agent or worker on a callcenter company before pls tell me you ideas on this.. im confused ...