Most voted questions under tag mme

+2 votes

0 answers

LTE: How MMEs are organized in different different pools ?

posted Apr 26, 2014 by Harshita

+2 votes

2 answers

LTE: What can be reason of handover preparation failure ?

posted Apr 22, 2014 by Ganesh Kumar

+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

+2 votes

1 answer

LTE: How does Partial Purge UE procedure works ?

posted Apr 16, 2014 by Harshita

+2 votes

1 answer

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

posted Apr 16, 2014 by Harshita

+2 votes

2 answers

LTE: Does UE send APN information within the Attach Request message ?

posted Mar 24, 2014 by Vimal Kumar Mishra

+2 votes

1 answer

LTE: What does the purpose to execute "Identification procedure" over the S10 interface ?

posted Mar 24, 2014 by Ganesh Kumar

+2 votes

1 answer

LTE: Use of Protocol Configuration Options (PCO) ?

posted Mar 24, 2014 by Ganesh Kumar

+2 votes

3 answers

LTE: When the ESM Information Request message is sent by the MME to the UE ?

posted Mar 24, 2014 by Vimal Kumar Mishra

+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

+2 votes

1 answer

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

posted Mar 9, 2014 by Ganesh Kumar

+2 votes

0 answers

LTE: What is the use of CSFallback indicator in ICS procedure ?

posted Jan 26, 2014 by Harshita

+2 votes

1 answer

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

posted Jan 24, 2014 by Harshita

+2 votes

1 answer

LTE: What is extended service request in lte NAS and when it is required ?

posted Jan 20, 2014 by Neeraj Mishra

+2 votes

1 answer

LTE: What does mean of "Limited Service" in lte ?

posted Jan 19, 2014 by Harshita

+2 votes

1 answer

LTE: Why does "forward access context notification" send by source mme to target mme ?

posted Jan 14, 2014 by Harshita

+2 votes

2 answers

Can MME use entire range of TEID?

posted Dec 7, 2013 by Kumar Mitrasen

+2 votes

1 answer

MME sharing among multiple MME Pools

posted Aug 24, 2013 by anonymous

+2 votes

1 answer

MME is not responding to S1 setup request message

posted Aug 12, 2013 by Deepak Dasgupta

+1 vote

2 answers

HO: If target ENB is not serviced by source MME then How source MME sends HO request?

posted May 24, 2019 by Bharat Kumar

+1 vote

0 answers

PDN GW address provided by the HSS in S6a-IDR

posted May 21, 2019 by Michael Semama

+1 vote

0 answers

volte call failed with Unknown NAS message

posted Mar 19, 2019 by Sivakumar.d

+1 vote

0 answers

LTE: How does international roaming work ?

posted Jan 13, 2019 by Harshita

+1 vote

0 answers

LTE: How does UE selects attach type in attach request message ?

posted Jan 11, 2019 by Harshita

+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

+1 vote

1 answer

LTE: Why MME UE S1AP ID is of length 32 bits and eNodeB UE S1AP ID of length 24 bits only ?

posted Jul 17, 2018 by Harshita

+1 vote

0 answers

In Which scenario ENB sends DETACH request with EPS service not allowed?

posted Jul 11, 2018 by Jaganathan

+1 vote

0 answers

LTE: When an operator starts to broadcast multiple PLMNs in a LTE cell ?

posted Jun 9, 2018 by Harshita

+1 vote

0 answers

LTE: Which cause MME sends in s1-setup failure when TAI received in S1-setup request not found at MME ?

posted May 18, 2018 by Vimal Kumar Mishra

+1 vote

1 answer

LTE: What is the use of different types of tracking area list for an UE provided by MME ?

posted May 15, 2018 by Harshita

+1 vote

1 answer

LTE: How does MME find PGW IP address serving an APN so that it can send CS Request to right PGW ?

posted May 11, 2018 by Ganesh

+1 vote

0 answers

LTE: What MME does when it receives Regional-Subscription-Zone-Code AVP in the Update-Location-Answer message ?

posted Apr 28, 2018 by Harshita

+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

1 answer

What is EMM substate in LTE?

posted Oct 27, 2017 by Jaganathan

+1 vote

1 answer

In an operator sharing environment how new operator will get the IMSI and other Identity from other network HSS?

posted Oct 24, 2017 by Akhilesh

+1 vote

1 answer

LTE: Is it possible SGW and PGW support multiple IPs for GTP tunneling ?

posted Oct 10, 2017 by Harshita

+1 vote

1 answer

call flow/concept of eDRX and power saving mode from mme /epc perspective? thanks in advance.

posted Sep 14, 2017 by anonymous

+1 vote

1 answer

What will be the behaviour of EnodeB with MME after receiving RRC Connection Reestablishment Complete message???

posted Aug 7, 2017 by Hamesh Raja M A

+1 vote

2 answers

LTE: Is it necessary to trigger tracking area update soon after handover procedure ?

posted Jun 27, 2017 by Harshita

+1 vote

0 answers

After which controlling message s1-C and s1-U bearer will be created in LTE?

posted Jun 12, 2017 by Sakshi Rai

+1 vote

1 answer

LTE: Difference between default and dedicated bearer and on what basis it is decided which one to establish ?

posted Jun 12, 2017 by Vikram Singh

+1 vote

2 answers

What is the difference between HSS and SPR? Why SPR is needed when HSS does the same job?

posted May 22, 2017 by Dheerendra

+1 vote

1 answer

What is TFT?Is it an Id or is it derived from the IP header of the packet(i.e. type of service field)?

posted May 16, 2017 by Bharat Kumar

+1 vote

0 answers

Why paging priority is needed? when it will be usefull in LTE?

posted May 15, 2017 by Akhilesh

+1 vote

1 answer

What is format/datatype of apn in egtpc, mme in case of more level ?

posted Apr 28, 2017 by Rakesh Kumar Suman

+1 vote

0 answers

Can anyone help me out what are the bugs you have faced while doing MME functional testing(S1AP/ NAS/ GTP-C)

posted Apr 12, 2017 by anonymous

+1 vote

2 answers

when UE send GUTI, IMSI, S-TMSI?

posted Apr 5, 2017 by anonymous

+1 vote

1 answer

when mme initiates Authentication Information request(AIR)/ULR/PUR ?

posted Apr 4, 2017 by Rakesh Kumar Suman

+1 vote

1 answer

LTE: When and why MME decides to assign new GUTI?

posted Dec 12, 2016 by anonymous

+1 vote

1 answer

LTE: What target eNodeB does in case it receives "Path switch request failure" from MME ?

posted Nov 20, 2016 by Neelam