Thanks for your reply Michele/Pix
In siemens Vendor we have the default Value for T200
T200=29-31-38-90-70-29-168,
Parameter format: sdcchSAPI0 – facchTCHF – facchTCHH –
sacchTCHSAPI0 – sacchSDCCH – sdcchSAPI3 –
sacchTCHSAPI3.
if we face TCH Drop due to T200 Expired,we change in default value,lead to improvement
please advice us about it
Thanks in advace for your reply