What is the difference between GSM and CME 20/CMS 40?()
A.CME 20/CMS 40 are GSM-systems with Ericsson’s mobile stations.
B.CME 20/CMS 40 are GSM systems with, at least, half of theequipment coming from Ericsson
C.CME 20/CMS 40 are new revisions of GSM
D.GSM is the French version of CME 20/CMS 40
E.CME 20/CMS 40 are Ericsson implementations of GSM