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Most voted questions under tag mme

+4 votes
1 answer
LTE: Does the bearer(s)/session(s) get deleted when CS fallback happen for an UE?
posted Jan 10, 2014 by Harshita
  • lte
  • csfb
  • mme
  • pgw
  • sgw
+4 votes
1 answer
LTE: When "stop paging indication" gets triggered by SGW towards SGSN/MME ?
posted Jan 8, 2014 by Harshita
  • mme
  • sgw
  • lte
  • sgsn
+4 votes
1 answer
LTE, GTP: How does create session procedure work ?
posted Jan 6, 2014 by Harshita
  • lte
  • ue
  • gtp
  • enodeb
  • mme
+4 votes
1 answer
LTE: What is the significance of eNodeB configuration procedure ?
posted Nov 15, 2013 by Neeraj Mishra
  • lte
  • enodeb
  • mme
  • s1ap
+4 votes
1 answer
why implementation of EIA0 in MME is optional ?
posted Sep 26, 2013 by Neeraj Mishra
  • mme
  • security
  • lte
+3 votes
2 answers
Modification of the Default APN
posted Aug 12, 2018 by Michael Semama
  • lte
  • ue
  • mme
  • enodeb
+3 votes
1 answer
"Homogeneous Support of IMS Voice Over PS Sessions" in S6a ULR
posted Apr 23, 2018 by Michael Semama
  • lte
  • mme
  • volte
  • ims
  • ue
+3 votes
0 answers
LTE: On what basis MME prepare list of TAI for an UE when it attach to the network ?
posted Jul 20, 2017 by Harshita
  • lte
  • mme
  • nas
  • ue
+3 votes
1 answer
Is TAC (tracking area code) required for Mme configuration?
posted Jul 19, 2017 by anonymous
  • lte
  • mme
  • enodeb
  • ue
+3 votes
0 answers
LTE: What will happen with already connecting UE with an eNodeB if tracking area code reconfigure on the fly ?
posted Jan 31, 2017 by Rupam
  • lte
  • interview questions
  • enodeb
  • ue
  • mme
+3 votes
1 answer
UE Context at Source(old) MME
posted Oct 17, 2016 by Mohanraj R
  • lte
  • handover
  • mme
+3 votes
1 answer
TAU procedure in Connected mode and Idle
posted Aug 9, 2016 by Arijit Chakraborty
  • lte
  • mme
  • enodeb
  • nas
+3 votes
1 answer
How network decides when to do handover in LTE?
posted Aug 5, 2016 by Arijit Chakraborty
  • lte
  • handover
  • enodeb
  • mme
+3 votes
2 answers
LTE: Is the inter operator handover possible between two LTE networks ?
posted Jul 21, 2016 by Harshita
  • lte
  • handover
  • enodeb
  • mme
+3 votes
1 answer
LTE: Why does network send primary and secondary DNS servers IP addresses in attach accept message ?
posted Jul 10, 2016 by Neeraj Mishra
  • lte
  • mme
  • pgw
+3 votes
1 answer
LTE: When does a MME in roaming network select its own PGW and when it selects PGW of home network ?
posted Jul 9, 2016 by Neeraj Mishra
  • lte
  • mme
  • core
+3 votes
1 answer
When MME assigns New GUTI to UE
posted May 6, 2016 by Mohanraj R
  • lte
  • mme
+3 votes
1 answer
LTE: How does MME of one network resolve address of HSS belong to other network in roaming scenarios ?
posted May 1, 2016 by Neeraj Mishra
  • lte
  • mme
  • core
  • hss
+3 votes
1 answer
LTE: What could be the consequences of having default bearer with GBR QoS rather than as a non-GBR ?
posted Mar 5, 2016 by Harshita
  • lte
  • enodeb
  • mme
  • epc
+3 votes
1 answer
LTE: How does an eNodeB construct ECGI and TAI for an UE while sending messages like "Initial UE message " ?
posted Feb 29, 2016 by Vimal Kumar Mishra
  • lte
  • mme
  • enodeb
  • s1ap
  • ue
+3 votes
3 answers
LTE: What the eNodeB does when there is no target eNodeB is available to handover an UE ?
posted Jan 30, 2016 by Vikram Singh
  • lte
  • enodeb
  • mme
  • s1ap
  • ue
+3 votes
2 answers
LTE: When does an eNodeB send Error Indication message to MME for an UE ?
posted Jan 28, 2016 by Harshita
  • lte
  • mme
  • enodeb
  • s1ap
+3 votes
1 answer
What is the use of cancel location procedure and when does it get trigger ?
posted Dec 16, 2015 by Ganesh
  • lte
  • mme
  • hss
  • diameter
+3 votes
1 answer
LTE: How TAU procedure can differ for different eNodeBs/cells of a tracking area ?
posted Dec 14, 2015 by Ganesh Kumar
  • lte
  • mme
  • core
  • nas
  • ue
+3 votes
3 answers
How mme will react when it didn't receive WRITE-REPLACE WARNING RESPONSE after sending WRITE-REPLACE WARNING REQUEST.
posted Nov 21, 2015 by M.chandra Sheker
  • lte
  • enodeb
  • mme
  • s1ap
  • rrc
+3 votes
0 answers
CLR to MME during CSFB
posted Nov 9, 2015 by Michael Semama
  • lte
  • csfb
  • mme
+3 votes
2 answers
LTE: How does TAU procedure work ?
posted Nov 4, 2015 by Harshita
  • lte
  • mme
  • nas
  • ue
+3 votes
1 answer
What is the purpose of Paging DRX IE in S1AP Paging message?
posted Oct 30, 2015 by Gnanendra Reddy
  • lte
  • mme
  • enodeb
  • paging
+3 votes
0 answers
What should be the realm name with a direct connection between HSS and MME, should it be same or different?
posted Oct 8, 2015 by anonymous
  • lte
  • mme
  • hss
  • diameter
+3 votes
2 answers
LTE: When does a network prefer periodic tracking area update from an UE ?
posted Sep 29, 2015 by Vimal Kumar Mishra
  • lte
  • mme
  • ue
  • nas
+3 votes
0 answers
Why 1.4Mhz is the Minimum Bandwidth in LTE
posted Sep 25, 2015 by Mallikharjuna Reddy
  • lte
  • eps
  • mme
+3 votes
1 answer
MME Paging UE in PS Mode
posted Sep 8, 2015 by Asad Mehmood
  • lte
  • mme
  • enodeb
  • ue
+3 votes
1 answer
How does a SGW come to know whether CS Request message is received as part of Attach procedure or Handover Procedure ?
posted Sep 7, 2015 by Harshita
  • lte
  • mme
  • sgw
  • handover
+3 votes
2 answers
How eNodeB knows to which MME it should send the request when eNodeB is connected to pool of MME?
posted Jul 27, 2015 by Karan Joglekar
  • lte
  • enodeb
  • mme
+3 votes
1 answer
What MME shall perform when receiving S1 path switch request (changing tac and lac for the UE) after a NAS tau request?
posted Jul 18, 2015 by anonymous
  • lte
  • mme
  • s1ap
  • handover
+3 votes
2 answers
What are the messages present between Enb and MME and How you see those messages in wireshark?
posted Apr 4, 2015 by Gnanendra Reddy
  • lte
  • mme
  • enodeb
+3 votes
0 answers
Is it necessary for SGW to support all features which are being supported by MME and PGW ?
posted Apr 1, 2015 by Harshita
  • lte
  • mme
  • sgw
  • pgw
+3 votes
3 answers
How to determine is Charging of user is Offline or Online ?
posted Mar 30, 2015 by anonymous
  • lte
  • ue
  • mme
+3 votes
0 answers
LTE: During SIPTO, What is the procedure of geographically closer GW selection by DNS query?
posted Mar 26, 2015 by Deepanjan Biswas
  • lte
  • mme
  • sipto
  • dns
+3 votes
2 answers
What are the IEs will be included in Notify request message when PGW id is changed at MME?
posted Mar 23, 2015 by Gnanendra Reddy
  • lte
  • hss
  • diameter
  • mme
+3 votes
0 answers
Does UE capability info indication mandatory or optional over S1-AP link ?
posted Mar 11, 2015 by Harshita
  • lte
  • s1ap
  • enodeb
  • mme
+3 votes
2 answers
Why does authentication procedure need to complete before security activation ?
posted Mar 10, 2015 by Harshita
  • lte
  • nas
  • mme
  • ue
+3 votes
1 answer
How TAU in source eNB interrupts S1 handover (intra MME S1 HO)?
posted Feb 18, 2015 by Alkesh Mehta
  • lte
  • mme
  • handover
  • s1ap
+3 votes
2 answers
How does paging procedure work for an UE for SMS service in a lte network ?
posted Feb 11, 2015 by Vikram Singh
  • lte
  • ue
  • sms
  • mme
  • nas
+3 votes
0 answers
How to determine an appropriate APN and s8 protocol type
posted Feb 6, 2015 by Srinivas Sambari
  • lte
  • mme
+3 votes
0 answers
What is the role of SGs interface at MME and what are all procedures cover over this interface ?
posted Feb 3, 2015 by Vikram Singh
  • lte
  • mme
+3 votes
1 answer
How does network behave when UE sends TAU to a new/different MME ?
posted Feb 1, 2015 by Harshita
  • lte
  • mme
  • nas
  • ue
+3 votes
0 answers
MME sends radio bearer setup request with the same QCI twice?
posted Jan 29, 2015 by anonymous
  • lte
  • hss
  • enodeb
  • mme
+3 votes
0 answers
SRVCC Sv interface, SRVCC PS to CS Request message contentsSRVCC
posted Jan 28, 2015 by Pdk
  • lte
  • mme
  • s1ap
+3 votes
1 answer
what is Homogeneous Support of IMS Voice Over PS Sessions IE in update location request message?
posted Nov 17, 2014 by Gnanendra Reddy
  • lte
  • hss
  • mme
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