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Reply To: Improve Call Setup Succes Rate


Hi Tufail,
TCH Congestion means, that all channels are busy.
TCH Blocking means, that all channels are busy and the next call can’t to be satisfy.
In some statistical cases TCH Congestion doesn’t mean TCH Blocking. In reality, if you have high TCH Congestion, than you have TCH Blocking (72 second means 2% blocking probability)

Best Regards