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Reply To: Synchronization clock problems


I am wondering why every Interwave BTSs was using a standalone symettricom GPS. Is it to synchronize the BTSs to help make better handover succes ratio? Some vendors say that external clock is very important to keep synchronize the GSM elements specially for the handovers is this true? From my experience, our GSM network is not using any clock at all and the MSC uses its internal clock, but I have seen a lot of trunk slips at the MSC alarm db, which means there is frequency difference between the local clock and the opposite clock connected with the trunk board which results inconsistent code rates of the two sides.