Dropped Call-Parameter Error-REQUESTED REQUEST TYPE NOT SUPPORTED

[lihanbok]

Dear Friends,
Could you please tell me how to solve these drop call? I don't know the reason of dropcalls. What is the "Parameter Error" & "REQUESTED REQUEST TYPE NOT SUPPORTED" mean? . Please tell me how to do! Thank you so much!


Call Type
End Type
End Cause
End System Cause
End RAB
End UERC
RRC Establishment Cause


PS
Dropped Call
Parameter Error
REQUESTED REQUEST TYPE NOT SUPPORTED
FACH
Interact. PS (RACH/FACH)
Terminating Interactive Call


PS
Dropped Call
Parameter Error
REQUESTED REQUEST TYPE NOT SUPPORTED
FACH
Interact. PS (RACH/FACH)



PS
Dropped Call
Parameter Error
REQUESTED REQUEST TYPE NOT SUPPORTED
FACH
Interact. PS (RACH/FACH)
Registration


PS
Dropped Call
Parameter Error
REQUESTED REQUEST TYPE NOT SUPPORTED
FACH
Interact. PS (RACH/FACH)
Originating Interactive Call


PS
Dropped Call
Parameter Error
REQUESTED REQUEST TYPE NOT SUPPORTED
FACH
Interact. PS (RACH/FACH)
Originating Interactive Call


PS
Dropped Call
Parameter Error
REQUESTED REQUEST TYPE NOT SUPPORTED
FACH
Interact. PS (RACH/FACH)
Terminating Interactive Call


PS
Dropped Call
Parameter Error
REQUESTED REQUEST TYPE NOT SUPPORTED
FACH
Interact. PS (RACH/FACH)
Originating Interactive Call


Best regards,
Lihanbok.

[lihanbok]

Do you have any idea to solve this problem. We use Xeus Pro.
Thank you so much!
Best Regards,
Lihanbok.