Mobile in 4G not doing CSFB to 3G

Yes, going in to no service mode.

Then CGI issue.
3G Core definition.
Check required.
Check KPI of RRC in that cell.
I think 0 success will be there.

But HO Traffic amount will be small.

In that 3G cell, yes.

RRC SR is fine.

Check RRC user 3G in that cell.
Success users.
Same cell.
As per DT cell id.
And what about vs.csfb kpis in 3G?

CSFB showing fine…

In 3G KPIs, not LTE.
In 3G vs.csfb
That cell of 3G only.

U2L Fast Redirection attempts at 3G End?

No, not that.

How many carriers in 3G do you have in that colocated 3G site?

3 carriers.

Any alarms in 3G, VSWR?
Make in ncell blind priority high of other two carriers and zero of that carrier (Utranncell).
What is utranfreq connected freq priority?
High of other utranncell carriers.
Are all three working?

InterRatHighestPri is UMTS or GSM?

This issue with one cell or other cells also?
Check L2U UtranNcell are defined with BlindHo priority with co-located cell.

It’s UMTS.

If 3G is your cell then UMTS should be high.

Yes, that’s why asking.

Same thing.
Make other carrier which is disturbing you as zero and other colocated carrier high.

Only this cell.

E-UTRA Absolute Radio Frequency Channel Number added at 3G end?