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Reply To: GSM protocols


i have a confusion about the activities of MOBILE just after the switch on…
means what are the procedureit go through for
1. PLMN selection
2. Cell selection
GSM 3.22 rec says that MS will first select PLMN and then suitable cell though logically its right but howcome an MS will select PLMN before camping on a cell .
also their is a restriction of scanning 30 RF channel for GSM so which 30 channel it will select?
if u clarify this whole proccedure that will be great help for me.