Speech drop multirab

[DriBoo]

Could someone tell me how to optimize speech drop multirab. After actaveting some e******* features listed below in the network the speech drop multirab increased.

• RNC level :
  CXC4030129 FAJ1212267 Licensed Differentiated UE Handling
  CXC4030131 FAJ1212267 Licensed Differentiated UE Handling for CS Domain
  CXC4030089 FAJ1212712 Licensed Service Differentiated RRC Admission
  CXC4030097 FAJ1211552 Licensed Fast Dormancy Handling
  CXC4030104 FAJ1211581 Licensed RNC RRC Load Control
  CXC4030509 FAJ121754 Licensed Speech and 0 kbps Packet Data
• NodeB level :
  CXC4030055 FAJ1211376 Enhanced EUL Cell Edge Coverage
  CXC4030067 FAJ1211401 Soft Congestion of 2 ms EUL users
  CXC4030075 FAJ1211467 HSDPA Inter-frequency loadsharing
  CXC4030147 Overhead Reduction for non-CPC smartphones
  CXC4030509 FAJ121754 Speech and 0 kbps Packet Data
  CXC4021014 FAJ1211883 Licensed Channel Element capacity for EUL Smartphones
  CXC4020065 FAJ1212370 Licensed Interference Suppression All Bearers
  CXC4020066 FAJ1212444 Licensed Uplink Fast Congestion Control
  CXC4020069 FAJ1212598 Licensed CE Extension for EUL
  CXC4020070 FAJ1212671 Licensed Interface Suppression for EUL 10 ms
  CXC4020061 FAJ1211714 Licensed Interference Suppression
  CXC4020059 FAJ1211673 Licensed Channel Element Capacity for HSDPA Smartphones
  CXC4020054 FAJ1211584 Licensed UL efficiency-DCH/EUL load balancing
  CXC4020030 FAJ1211443 Licensed EUL single HARQ process scheduling

Thanks for your support