Ren, Thanks. I searched for PDC-P for two hours. But all I could find is a one page very high level description from NTT R&D. Do you know where I can find detailed specifications or white papers about PDC-P system architecture/design? Thanks. Zhimei > > PDC-P, packet-switched PDC cellular network. > > r e n [excessive quoting removed] -- Zhimei Jiang AT&T Labs -- Research 732-345-3156 (voice)Received on Fri Sep 8 17:07:39 2000