A: CCF certification includes two parts: RF and protocol. RF refers to 3GPP2 C.S0011, C.S0033 and C.S0036, protocol refer to 3GPP2 C.S0043, C.S0060, C.S0061, C.S0062, C.S0037, C.S0073, C.S0038 and C.S0059. You can choose applications testing (such as audio, multimedia message, etc.) referencing the different functions of the terminal. Meanwhile, SRTC can provide domestic CDMA voluntary validation testing (formerly CDG1 & 2 reports) and various pre-testing business.