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Most voted questions under tag mme

+2 votes
0 answers
Is there any scenario where the Tracking area update request sent be the ue will not be integrity protected?
posted Aug 26, 2016 by Lavanya L
  • lte
  • mme
  • nas
+2 votes
0 answers
LTE: What MME does when it receives indication from UE saying it supports LPP (LTE Positioning Protocol) ?
posted Aug 6, 2016 by Vikram Singh
  • lte
  • mme
  • ue
  • nas
+2 votes
1 answer
How APN values will be updated in modify bearer command message when updating both APN values at HSS?
posted Aug 4, 2016 by anonymous
  • lte
  • hss
  • mme
+2 votes
0 answers
LTE: Is there any constraint on number of S1-AP connections that one eNodeB may have with different MMEs ?
posted Jul 6, 2016 by Neeraj Mishra
  • lte
  • enodeb
  • mme
+2 votes
0 answers
TAU procedure within S1 Based Handover
posted Jun 22, 2016 by Mohanraj R
  • lte
  • handover
  • mme
+2 votes
2 answers
Default Bearer of a UE (i.e UE1) can be Pre-emptable by another UE (i.e UE2) in Congestion?
posted Apr 12, 2016 by Mallikharjuna Reddy
  • lte
  • mme
  • enodeb
  • epc
  • ue
+2 votes
0 answers
Bearer resource allocation reject with cause request rejected by Serving GW or PDN GW
posted Feb 24, 2016 by Pankaj Kumar
  • nas
  • lte
  • mme
+2 votes
2 answers
LTE : When does eNodeB trigger handover cancel message to MME ?
posted Feb 11, 2016 by Harshita
  • lte
  • mme
  • enodeb
  • handover
+2 votes
0 answers
LTE : What is th use of "Tunnel Information for BBF" IE carrying within the handover notify message ?
posted Feb 11, 2016 by Harshita
  • lte
  • enodeb
  • handover
  • mme
+2 votes
1 answer
LTE: When does an UE trigger Tracking Area complete message towards the network ?
posted Feb 7, 2016 by Vikram Singh
  • lte
  • mme
  • nas
  • ue
+2 votes
1 answer
LTE: Why does UE include "Last visited registered TAI" information while sending Attach Request message to MME ?
posted Feb 1, 2016 by Harshita
  • lte
  • mme
+2 votes
0 answers
LTE: Why the default value of mobile reachable timer is kept 4 minutes more than the Timer T3412 timer value ?
posted Jan 31, 2016 by Harshita
  • lte
  • mme
+2 votes
3 answers
LTE: When does an eNodeB send "UE Context Release Request" message for an UE to MME ?
posted Jan 30, 2016 by Harshita
  • lte
  • mme
  • enodeb
  • s1ap
+2 votes
0 answers
LTE: How long MME maintain UE context when UE does not send TAU Request message even after the expiry of TAU timer ?
posted Jan 26, 2016 by Vikram Singh
  • lte
  • mme
  • mobility management
+2 votes
1 answer
LTE: How an UE come to know whether it has to perform periodic TAU or not ?
posted Jan 26, 2016 by Harshita
  • lte
  • mme
  • nas
  • ue
+2 votes
1 answer
How MME selects HSS?
posted Jan 20, 2016 by Vakati Abilasn
  • lte
  • mme
  • hss
+2 votes
1 answer
LTE: In what scenarios a MME starts using new Kasme ?
posted Dec 26, 2015 by Vikram Singh
  • lte
  • mme
  • hss
  • authentication
+2 votes
2 answers
LTE: Why does the MME execute Update Location Procedure towards HSS ?
posted Dec 21, 2015 by Vikram Singh
  • lte
  • mme
  • hss
  • diameter
+2 votes
1 answer
LTE: When does a LTE UE trigger service request towards MME ?
posted Dec 14, 2015 by Ganesh Kumar
  • lte
  • mme
  • ue
+2 votes
1 answer
What is the Significance of Repetition Period and Number of Broadcasts Requested IE's in WRITE-REPLACE WARNING REQUEST
posted Nov 18, 2015 by M.chandra Sheker
  • lte
  • rrc
  • s1ap
  • enodeb
  • mme
+2 votes
1 answer
Why MME has to send Paging Drx in S1AP paging messge?
posted Oct 7, 2015 by Badikela Mahesh
  • lte
  • mme
  • s1ap
  • paging
+2 votes
1 answer
Can One S1-AP Paging message contain multiple UE ID's for Paging.
posted Oct 6, 2015 by Mallikharjuna Reddy
  • lte
  • mme
  • enodeb
+2 votes
1 answer
LTE: What is the maximum no. of PLMNs served by a MME in MME pool ?
posted Sep 6, 2015 by Harshita
  • lte
  • enodeb
  • mme
+2 votes
1 answer
LTE: Please explain the procedure of Detach Request (Network Initiated) in detail?
posted Aug 10, 2015 by Naveen Yanamaddi
  • lte
  • ue
  • mme
  • enodeb
  • epc
+2 votes
1 answer
What MME does when it receives "S1-setup request" from eNodeB with an unknown TAC ?
posted May 20, 2015 by Vimal Kumar Mishra
  • mme
  • enodeb
  • s1ap
+2 votes
1 answer
Can a Default no-GBR bearer be converted to GBR dedicated bearer in LTE?
posted May 2, 2015 by Sourav Mondal
  • lte
  • ue
  • enodeb
  • mme
  • hss
+2 votes
2 answers
How enodeb selects MME?
posted Apr 20, 2015 by Gnanendra Reddy
  • lte
  • enodeb
  • mme
+2 votes
1 answer
Difference between security mode procedure and AS Security setup?
posted Mar 25, 2015 by Srinivas Sambari
  • lte
  • mme
  • enodeb
+2 votes
0 answers
Does a MME serve more than one PLMN?
posted Mar 23, 2015 by Srinivas Sambari
  • lte
  • mme
+2 votes
2 answers
How MMEs communicate to each other, are there some interfaces likes S1/X2 for communication between MMEs?
posted Mar 15, 2015 by anonymous
  • lte
  • mme
+2 votes
0 answers
What could be the possible reasons for receiving paging reject message at VLR ?
posted Feb 17, 2015 by Harshita
  • lte
  • mme
  • vlr
  • sgs
+2 votes
1 answer
Diameter LTE Location Update
posted Jan 16, 2015 by Pdk
  • lte
  • diameter
  • hss
  • mme
+2 votes
1 answer
Does lte support a SGW pool area similar to MME pool area ?
posted Dec 7, 2014 by Vikram Singh
  • lte
  • mme
  • sgw
+2 votes
1 answer
What is combined MME/SGSN in LTE?
posted Nov 20, 2014 by Gnanendra Reddy
  • lte
  • mme
  • sgsn
+2 votes
2 answers
what is Relative MME Capacity ?
posted Nov 18, 2014 by Bheemappa G
  • lte
  • mme
+2 votes
1 answer
what is "freeze M-TMSI" flag in purge UE Answer Message?
posted Nov 18, 2014 by Gnanendra Reddy
  • diameter
  • lte
  • hss
  • mme
+2 votes
1 answer
what is cancellation type "initial attach procedure" in cancel location request?when HSS will send to MME?
posted Nov 18, 2014 by Gnanendra Reddy
  • diameter
  • hss
  • lte
  • mme
+2 votes
1 answer
What are the Negative Test cases for GTPV2 tunnelling messages
posted Nov 17, 2014 by Naveen Yanamaddi
  • lte
  • gtp
  • mme
  • sgw
  • pgw
+2 votes
1 answer
In which scenario, a MME can reject the service request message receives from an UE ?
posted Oct 21, 2014 by Harshita
  • lte
  • mme
  • nas
  • ue
+2 votes
0 answers
How MME gets the MAX APN Restriction value in LTE?
posted Sep 13, 2014 by Pardeep Kohli
  • lte
  • mme
+2 votes
0 answers
What are all actions taken by MME, when UE context Modification or E-RAB Modification procedure gets failed ?
posted Sep 4, 2014 by Vimal Kumar Mishra
  • lte
  • mme
  • s1ap
  • enodeb
+2 votes
0 answers
What's the behavior of eNodeB when MME is not responding to S1 setup request message?
posted Jun 20, 2014 by Simranjeet Singh
  • mme
  • enodeb
  • s1ap
+2 votes
0 answers
LTE MBMS: Does the MBMS GW really require for MBMS services in lte ?
posted Jun 12, 2014 by Ganesh
  • lte
  • enodeb
  • mbms
  • mme
+2 votes
1 answer
LTE: Does TAU procedure need authentication of UE each time ?
posted Jun 11, 2014 by Ganesh
  • lte
  • mme
  • nas
  • ue
  • epc
+2 votes
0 answers
LTE: What is the significance of presence of "EPS bearer context status" IE with the TAU ?
posted Jun 11, 2014 by Neelam
  • lte
  • mme
  • nas
  • ue
+2 votes
2 answers
LTE HO: Is it possible after successful resource allocation at target eNodeB, source eNodeB sends HO Cancel ?
posted May 30, 2014 by Harshita
  • lte
  • enodeb
  • handover
  • mme
  • s1ap
+2 votes
1 answer
LTE: Why does Modify Bearer Request message send by MME to SGW as part of attach procedure ?
posted May 24, 2014 by Neeraj Mishra
  • lte
  • mme
  • sgw
+2 votes
1 answer
In which condition we embedded Handover Selector Function (HOSF) and what it does?
posted May 13, 2014 by Pushpak Chauhan
  • volga
  • lte
  • mme
+2 votes
1 answer
How does MME get UE IDENTITY, when MME does not found its GUTI in it self & neighboring MME ?
posted May 8, 2014 by Rohit Ratna
  • lte
  • ue
  • mme
+2 votes
2 answers
LTE: What does impacts at eNodeB MAC scheduler , if an UE has GBR bearer as default bearer ?
posted May 8, 2014 by Vimal Kumar Mishra
  • lte
  • mme
  • enodeb
  • mac
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