... becomplete and consistent. GSM and UMTS: The Creation of Global Mobile Communication47014See TDoc GSM 222/88.15See TDoc GSM 482/89 rev2.16Cf. for example TDoc GSM 222/88 and TDoc GSM 227/88 at GSM# 20.17See ... validations. GSM# 14 decided that each administration should conduct its own verifications and that acoordinating committee should be established. Cf. also TDoc GSM 51/87, TDoc GSM 107/87, TDoc GSM 96/88,TDoc ... testing, AT commands, SIM ME interface, charging, GSM and UMTS: The Creation of Global Mobile Communication47219See for example TDoc GSM 23/86 rev.2, the GSM action plan, a living document updated...