单项选择题
A.CS-1 B.CS-2 C.CS-3 D.CS-4
Which unit is the BSC perform the LAPD signalling and I...
单项选择题Which unit is the BSC perform the LAPD signalling and Inband signalling(64kpbs).（）
A.GS B.SRS C.TRH D.TRAU
How many paging requests can, at the most, fit into one...
单项选择题How many paging requests can, at the most, fit into one paging block?（）
A.10 B.20 C.4 D.60 E.80
The following events all require an SDCCH. Which event ...
单项选择题The following events all require an SDCCH. Which event has normally the longest holding time? （）
A. Normal updating B. IQMSI attach/detach C. Registration D. Call set-up E. SMS point-to-point
