Most viewed questions under tag mme

+1 vote

4 answers

In LTE network when MME triggers for tracking area update to UE?

posted Jun 8, 2014 by anonymous

0 votes

1 answer

When M-TMSI is generated and allocated to the UE by MME during TAU procedure?

posted Jun 2, 2014 by anonymous

+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

+1 vote

1 answer

What is KSIasme and Why MME is sending to UE instead of KASME during authentication procedure?

posted Mar 17, 2015 by Gnanendra Reddy

+3 votes

1 answer

Why EPC supports MME and S-GW pools?

posted Nov 30, 2013 by anonymous

+3 votes

1 answer

LTE : What is NAS recovery procedure ?

posted Feb 17, 2014 by Harshita

+1 vote

1 answer

Can a HSS initiate detach procedure for an UE from the LTE network ?

posted May 31, 2015 by Harshita

+2 votes

1 answer

LTE: How does the overload start and overload stop procedure work ?

posted Mar 9, 2014 by Ganesh Kumar

+4 votes

1 answer

LTE: When UE sends NAS message to MME before sending rrc connection reconfiguration complete to the eNodeB ?

posted Apr 9, 2014 by Vimal Kumar Mishra

+1 vote

2 answers

How MME notify to LTE UE for CS call to perform CSFB when UE is in connected mode or idle mode?

posted May 29, 2015 by Veer Pal Singh Yadav

+6 votes

2 answers

LTE: How a LTE UE come to know whether LTE network supports IMS call or not ?

posted Jul 28, 2016 by Vikram Singh

+3 votes

1 answer

LTE, GTP: What is the use of create bearer request procedure and how does it work ?

posted Jan 6, 2014 by Harshita

+5 votes

2 answers

When does a MME trigger UE context modification procedure towards an eNodeB for an UE ?

posted Jan 24, 2016 by Harshita

+1 vote

1 answer

LTE: What does the significance of presence of "user location information" within the Create session request message ?

posted May 29, 2014 by Ganesh Kumar

+2 votes

2 answers

LTE: Why UE does not "attach complete" message along with "RRC Connection Reconfiguration Complete" ?

posted Jun 9, 2017 by Ganesh Kumar

+8 votes

1 answer

LTE: Why MME ask for multiple authentication vectors from HSS ?

posted Jan 31, 2014 by Ganesh Kumar

+1 vote

2 answers

LTE: What is the purpose of sending Bearer Resource Allocation Request to MME from UE ?

posted Dec 3, 2017 by Ganesh

+1 vote

0 answers

LTE to 3G IRAT handover fails in preparation phase

posted Feb 21, 2016 by Bijit Deb

+4 votes

3 answers

Is it possible to know from UE logs that which handover has been occurred either S1-based or X2-based ?

posted May 13, 2014 by Rahul Vaidya

+4 votes

2 answers

LTE: Why does "UE Time Zone IE" send from MME to PGW via SGW ?

posted Feb 23, 2014 by Ganesh Kumar

+2 votes

1 answer

LTE: What is the actual use of re-set procedure over S6a interface ?

posted Jan 24, 2014 by Harshita

+6 votes

2 answers

LTE: Does MME trigger Update location procedure as part of Handover procedure or after Handover ?

posted Jan 9, 2014 by Vimal Kumar Mishra

+2 votes

1 answer

How PGW reconfigures default bearer if it supports multiple APN?

posted Jan 3, 2019 by Akhilesh

+2 votes

1 answer

LTE: How does Partial Purge UE procedure works ?

posted Apr 16, 2014 by Harshita

+3 votes

1 answer

LTE: What's relation between RRC-Connected and ECM-Connected ?

posted Jun 7, 2014 by Rupam

+1 vote

1 answer

LTE: What is the use of ISR ?

posted Jul 11, 2014 by Harshita

0 votes

1 answer

LTE: What does mean by implicit detach procedure at MME ?

posted Jul 11, 2014 by Ganesh

0 votes

1 answer

LTE: What does source MME execute "Relocation Cancel Procedure" ?

posted May 8, 2014 by Vimal Kumar Mishra

+1 vote

1 answer

What is EMM substate in LTE?

posted Oct 27, 2017 by Jaganathan

0 votes

2 answers

How does the eNodeB discover the S1-U IP address of SGW?

posted Aug 14, 2014 by anonymous

+11 votes

2 answers

LTE: In RRC connected mode, when an UE moves from one cell to another cell what messaging happen ?

posted Feb 7, 2014 by Vimal Kumar Mishra

+1 vote

0 answers

Getting " requested service option not subscribed" in attach reject While requesting with pdn request type as "handover

posted Aug 2, 2018 by Jaganathan

+2 votes

1 answer

What are the Negative Test cases for GTPV2 tunnelling messages

posted Nov 17, 2014 by Naveen Yanamaddi

+1 vote

1 answer

LTE: Why does "Create Indirect Forwarding Tunnel procedure" optional ?

posted May 21, 2014 by Ganesh Kumar

+2 votes

2 answers

LTE: Why MME does replay of UE Security Capabilities in the Security mode command message ?

posted Apr 29, 2018 by Harshita

+2 votes

1 answer

Why MME has to send Paging Drx in S1AP paging messge?

posted Oct 7, 2015 by Badikela Mahesh

+2 votes

1 answer

LTE handover: Why does "TAC" required as part of "Target Id" IE within the forward relocation request message ?

posted Apr 21, 2014 by Vimal Kumar Mishra

+3 votes

0 answers

SRVCC Sv interface, SRVCC PS to CS Request message contentsSRVCC

posted Jan 28, 2015 by Pdk

0 votes

1 answer

LTE: Why does SGW include S5/S8 interface PGW-C F-TEID in Create Session Response message to MME ?

posted Apr 29, 2018 by Ganesh

+2 votes

1 answer

What is combined MME/SGSN in LTE?

posted Nov 20, 2014 by Gnanendra Reddy

+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

0 votes

2 answers

How NAS messages are transported between the UE and the MME.

posted Aug 21, 2014 by anonymous

+2 votes

1 answer

S6a/S6d : Why does HSS send "PUA-flags" within the Purge UE answer message ?

posted Apr 16, 2014 by Harshita

+4 votes

1 answer

LTE, GTP: How does create session procedure work ?

posted Jan 6, 2014 by Harshita

+2 votes

2 answers

LTE: How an source eNodeB come to know about "TAI" of target eNodeB ?

posted Mar 20, 2014 by Vimal Kumar Mishra

+1 vote

2 answers

What is the use of SGsAP-UE-UNREACHABLE message and what action can be taken once it is received ?

posted Feb 14, 2015 by Vikram Singh

+4 votes

0 answers

SGW behaviour after a Downlink data notification failure?

posted Jan 26, 2015 by anonymous

0 votes

2 answers

During S1AP path switch request message, MME releases bearer for QCI 1 with radio network cause 30 and unknown erab id?

posted Aug 9, 2017 by anonymous

0 votes

0 answers

LTE RRC : What is the significance of Cell Traffic Trace procedure ?

posted Jun 4, 2014 by Vikram Singh

+1 vote

2 answers

when UE send GUTI, IMSI, S-TMSI?

posted Apr 5, 2017 by anonymous