Counter Meaning on RRC Failure Reason

Dear Expert, any one know that Counter Meaning on RRC Failure Reason?

Number of RRC connection access failures due to Uu interface message expiration (not receiving the Uu interface L1 synchronization failure message reported from the NBAP)
Number of RRC connection access failures due to Uu interface message expiration (receiving the Uu interface L1 synchronization failure message reported from the NBAP)

What is name of RRC failure counter?
Which is the vendor?

It’s excalty name of counter.

ZTE.

Sorry, I don’t have experience with ZTE.