China Telecom Open to New Partners, Distribution Channels
By Tracy Ford, June 22, 2011

Motorola Mobility Shows Off Dual-Mode CDMA/GSM Android Smartphone
By Vincent Chang, January 24, 2011

Vodafone Offers National Roaming Onto CDMA Network
By Cellular News, October 1, 2010 

Giz Explains: Why Using Your Phone In Another Country Costs So Damn Much
By John Herrman, May 17, 2010

CDG To Launch Global Roaming Hub
By Fiona Chau, June 4, 2009