An errors in 3G E\\ System "TIMER inactivityDchTimerId has expired"

[Interface]

Hi all guests
In my network, when I trace the UEH_EXCEPTIONs in all RNCs, i see this problems:
(UEH_EXCEPTION) ../src/UehUeCtxtC.cpp:4518 TRACE1:ExceptionCode = 529; TIMER inactivityDchTimerId has expired; InterfaceTimout (Internal); Ue; RRCConRel; Dropped Call Release; UehUeCtxtC; UeRef = 599; IMSI = 452048800634770; cellId = 6432; cellFroId = 213; S-RNTI = 98903; connType = uehRrcConn; sGCP=00000000; targetConnType = uehRrcConn; tGCP=00000000;
This error disseminate at all RNCs at any time. But when i find this timer at Alex and 3GPP, i can't find it. So that please help me at this case:
- Have any problems in our network ?
- How can i solve this problem ?
Thanks all!

[plannerguy]

Hi

As the state is DCH it may be timer T313

Regards
Plannerguy

[Interface]

Thanks you,
Have any problem with my network ?
How can we change this timer ?

[Interface]

Who can help me !

[maasricht]

I don't E/// system, is there any license required?

[Interface]

This is internal parameter - i see it in the message. But i don't know have any problems with our network.
Please share some experience about this case. Many thank !

[agenov]

Hi all guests
In my network, when I trace the UEH_EXCEPTIONs in all RNCs, i see this problems:
(UEH_EXCEPTION) ../src/UehUeCtxtC.cpp:4518 TRACE1:ExceptionCode = 529; TIMER inactivityDchTimerId has expired; InterfaceTimout (Internal); Ue; RRCConRel; Dropped Call Release; UehUeCtxtC; UeRef = 599; IMSI = 452048800634770; cellId = 6432; cellFroId = 213; S-RNTI = 98903; connType = uehRrcConn; sGCP=00000000; targetConnType = uehRrcConn; tGCP=00000000;
This error disseminate at all RNCs at any time. But when i find this timer at Alex and 3GPP, i can't find it. So that please help me at this case:
- Have any problems in our network ?
- How can i solve this problem ?
Thanks all!


I don't have any experience with E// but from this error seems to me that you have active "UE state transition" function i.e after particular time during within UE has no information to transmit or receive (inactivity) the RNC will release the connection by itself in order to release allocated resources. Check whether you have opened this functionality in the RNC (or do a standalone trace). If this is the case for sure this is not something you have to worry about. There are parameters you can adjust in addition - timer and etc.

BR
Alex

[gprastomo]

Hi,

This timers is for inactivity release, if there is no activity on the DCH/HSDPA (0 bit both on UL/DL), the RNC will request to release the connection directly to idle.
This is normal procedure, and little bit tricky way for KPIs, if it is triggered so fast, of course your KPIs will be good, but you ll have bad user perception since it looks like a drop call when you left the modem for a moment.
And it is count as normal release.

And i think its better to activate the Cell FACH, since the inactivity user will move to cell fach then PCH, so the inactivity release will stays longer and the KPIs still good.



br



Hi all guests
In my network, when I trace the UEH_EXCEPTIONs in all RNCs, i see this problems:
(UEH_EXCEPTION) ../src/UehUeCtxtC.cpp:4518 TRACE1:ExceptionCode = 529; TIMER inactivityDchTimerId has expired; InterfaceTimout (Internal); Ue; RRCConRel; Dropped Call Release; UehUeCtxtC; UeRef = 599; IMSI = 452048800634770; cellId = 6432; cellFroId = 213; S-RNTI = 98903; connType = uehRrcConn; sGCP=00000000; targetConnType = uehRrcConn; tGCP=00000000;
This error disseminate at all RNCs at any time. But when i find this timer at Alex and 3GPP, i can't find it. So that please help me at this case:
- Have any problems in our network ?
- How can i solve this problem ?
Thanks all!

[electron]

Hi,


T313 in E******* is available since W12. just run command "get . t313 " u will see the value and its default is 3.


Cheers