Thanxs Peyo for replying….
Yes this kind of issue is in some sites but in differnt BSC’s…
This issue is like a ongoing call gets silent for some time and again get restored ..again silent ..again restored…
although i had chked the hardware ..it is ok .
yes AMR and HR is also implemented in the network..
Can u suggest me the reports from which i can chk the transcoding site..
Also i want to add that i m working with NOKIA platform.