kshah 452 Report post Posted August 13, 2006 Please read this articles and see, it appears that CDMA is moving towards obsoleting ESN and will have something similar to IMEI of GSM. It also appears that then CDMA operators will be concentrating on RUIM rather than ESN based authentication. http://www.tiaonline.org/standards/resources/meid/ Share this post Link to post Share on other sites