This Recommendation provides the Stage 2 end-to-end inter-family information flows for IMT-2000 Capability Set 1 (CS-1) services and network capabilities. It is specified according to the Stage 2 methodology described in ITU-T Recommendation 4.65 [1]. Companion ITU-T Recommendations, Q. 1701 [2] and Q.1711 [3], form the basis for this Recommendation. Used together, these Recommendations form a Stage 2 description that identifies the functional capability and information flows needed to support the Stage 1 IMT-2000 services and network capabilities.