GSM语音呼叫建立用户原因呼损率GSM_Call_Alert_DropByUser_RatioGSM主叫语音呼叫建立用户原因呼损率GSM_MO_Call_Alert_DropByUser_RatioGSM被叫语音呼叫建立用户原因呼损率GSM_MT_Call_Alert_DropByUser_RatioGSM语音呼叫建立网络原因呼损率GSM_Call_Alert_DropByNet_RatioGSM主叫语音呼叫建立网络原因呼损率GSM_MO_Call_Alert_DropByNet_RatioGSM被叫语音呼叫建立网络原因呼损率GSM_MT_Call_Alert_DropByNet_RatioGSM语音应答用户原因呼损率GSM_Call_Connect_DropByUser_RatioGSM主叫语音应答用户原因呼损率GSM_MO_Call_Connect_DropByUser_RatioGSM被叫语音应答用户原因呼损率GSM_MT_Call_Connect_DropByUser_RatioGSM语音应答用户网络原因呼损率GSM_Call_Connect_DropByNet_RatioGSM主叫语音应答网络原因呼损率GSM_MO_Call_Connect_DropByNet_RatioGSM被叫语音应答网络原因呼损率GSM_MT_Call_Connect_DropByNet_RatioGSM主叫接续呼损率GSM_MO_Calling_Drop_RatioGSM被叫接续呼损率GSM_MT_Calling_Drop_Ratio