Hi,
this is the easy way for every one.
To find a BCCH freq, to synchronize to the beginning of the TDMA and to extract all info needed from TS0.
Why TS0 is choosen instead ot TS7 or TS5 I don’t know…
When something happen to MS and it loose network, this mobile knows what to do – find BCCH freq from its network, tune to TS0 and all needed is there…
BR