单项选择题
What is the name of the protocol that is used between the MSC Server and the M-MGw?（）
A.ISUP B.MAP C.GCP
单项选择题 What would be the effect of reducing the parameter PILTIMER?（）
单项选择题 Which one of the following parameters will influence the GSL device utilization the most:（）
单项选择题 Which GPRS coding scheme gives the highest throughput at C/I=12?（）
