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In some areas we have problems with CSFB MTC only with IPHONE mobiles. Has anyone ever seen this problem on your network?


#1

In some areas we have problems with CSFB MTC only with IPHONE mobiles. Has anyone ever seen this problem on your network?


#2

What kind of problems?


#3

The IPhone does not do CSFB during MTC.


#4

The call is handled on 3g? I mean rnc to msc directly?


#5

We have only 2G and 4G in these areas


#6

U need to check weather the iPhone does combined attach or not,


#7

others mobile like samsung are Ok. MTC goes do 2G during CSFB


#8

U need to check weather the iPhone does combined attach or not,

How friend?


#9

And whether the MME sending the SGS application location update or not

Oh OK, what’s ur domain? Are u from Radio, wireless or core?


#10

Friend the settings are ok because others mobiles (samsung, motorola) are working

only IPHONE does not go to 2G


#11

First of all let me know what’s ur domain?


#12

and only during the MTC…MOC.are ok

First of all let me know what’s ur domain?

CS


#13

Okay

While testing the Mt call, does the msc send SGSAP paging? To the MME? Or not?


#14

Yes…The MSC sent a paging


#15

Is it sgs paging? Or cs paging?


#16

[…]

SGSAP. See above.


#17

Okay then does the MME forward this paging go the eNBs? With CN domain (cs)?


#18

Okay then does the MME forward this paging go the eNBs? With CN domain (cs)?

Yes


#19

Very good, then the eNBs replies back with extended service request after the ue paging is successful?


#20

Only one iPhone or whole iPhone doesn’t work?

Did you trace from core end?

Core guy will do the trace for that iPhone while doing csfb test