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Reply To: SD Blcking-SD cong,TCH Blcking-TCH cong

Pramod S B

Congestion and blocking very much related but not the same.But main cause for blocking congestion only.That means all the slots available for sdcch is occupied and no resource available for call setup then we can tell call block happened due to congestion.But blocking is some thing broader , it can happen due to lots of other reasons too.for example due to equipment block (HW issues).improper Rf conditions, issue related with transport n/w etc.