What is the reason for Missed FP Frames degradation?

Hi any one please let me know-Missed FP Frames degradation reason?

Could u specify if its degraded due to transmission issue?

Which vendor? KPI degrad or issue?

Voice dcr degraded.

Vendor is Nokia

… I will try to find something about I never work with Nokia

Ok &thanks dear

Missed E-DCH FP FRAMES