The following publications are possibly variants of this publication:
- Reducing International Call Costs for Roamer to Roamer CallsYuan-Kai Chen, Yi-Bing Lin, Ren-Huang Liou. tvt, 59(8):4131-4134, 2010. [doi]
- Eliminating tromboning mobile call setup for international roaming usersYi-Bing Lin. TWC, 8(1):320-325, 2009. [doi]
- A Handset-Based Solution for Reducing International Roaming CostsYi-Bing Lin, Ren-Huang Liou, Yuan-Kai Chen, Chai-Hien Gan. TWC, 10(5):1627-1635, 2011. [doi]