WCDMA常见缩略语X1_1ps Interface between ADMF and SGSN for all LI administrative messaging ADMF和SGSN间的接口 X2_1ps、X_2ps Interface between the SGSN and DF2P for delivery of IRI SGSN和DF2P间的接口 X3_1ps、X_2ps Interface between the SGSN and DF3P for delivery of IDP
