Most answered questions under tag mme

+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

+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

+1 vote

2 answers

why MME will query for PGW prior to SGW

posted Feb 9, 2015 by Srinivas Sambari

+2 votes

2 answers

what is Relative MME Capacity ?

posted Nov 18, 2014 by Bheemappa G

+4 votes

2 answers

Why MME UE S1AP ID is needed ?

posted Nov 17, 2014 by anonymous

+4 votes

2 answers

In what are all scenarios other than CS and PS incoming calls/sessions, MME can initiate paging for an UE?

posted Nov 9, 2014 by anonymous

+4 votes

2 answers

When Path Switch Request Message is sent from eNodeB to MME?

posted Oct 7, 2014 by Varun Kumar

0 votes

2 answers

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

posted Aug 21, 2014 by anonymous

0 votes

2 answers

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

posted Aug 14, 2014 by anonymous

+1 vote

2 answers

Can anyone say what happens when MME does not support the security algorithms sent by UE

posted Jun 25, 2014 by anonymous

0 votes

2 answers

LTE HANDOVER : Does PATH SWITCH REQ/ REQ ACK message exchange necessary to complete the handover procedure ?

posted Jun 4, 2014 by Vikram Singh

+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

+1 vote

2 answers

LTE : Can MME decides who are the neighbor ENBs of a particular ENB?

posted May 17, 2014 by Sachidananda Sahu

+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

+1 vote

2 answers

LTE: Why does MME need "UE Radio Capability information" for an UE ?

posted Apr 26, 2014 by Ganesh Kumar

+2 votes

2 answers

LTE: What can be reason of handover preparation failure ?

posted Apr 22, 2014 by Ganesh Kumar

+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

2 answers

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

posted Mar 20, 2014 by Vimal Kumar Mishra

+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

+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

+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

+7 votes

2 answers

LTE: What does the difference between CLR and DSR command over S6a interface ?

posted Jan 9, 2014 by Harshita

+2 votes

2 answers

Can MME use entire range of TEID?

posted Dec 7, 2013 by Kumar Mitrasen

+6 votes

2 answers

LTE: Why SGSN has interfaces with MME and SGW only not with PGW ?

posted Nov 25, 2013 by Vikram Singh

0 votes

1 answer

What is CGI report during HO?Is this mean cell group ID?

posted Feb 3, 2020 by Akhilesh

+2 votes

1 answer

How PGW reconfigures default bearer if it supports multiple APN?

posted Jan 3, 2019 by Akhilesh

0 votes

1 answer

Is it possible any scenario when sctp communication is up between mme and eNodeB but s1ap wil not be up ?

posted Nov 30, 2018 by anonymous

+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

+2 votes

1 answer

LTE: Why MME sends Update Location Request message after enabling the security ?

posted Jul 8, 2018 by Harshita

0 votes

1 answer

LTE: How a MME find out current serving plmn for an UE as selected plmn is communicated in RRC message ?

posted May 28, 2018 by Vikram Singh

0 votes

1 answer

LTE: Why Linked Bearer Identity (LBI) is associated with a dedicated bearer ?

posted May 18, 2018 by Harshita

+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

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

+3 votes

1 answer

"Homogeneous Support of IMS Voice Over PS Sessions" in S6a ULR

posted Apr 23, 2018 by Michael Semama

0 votes

1 answer

X2 HO preparation success rate suddenly decreased with root cause as invalid MME Group ID and MME Group ID is unique?

posted Apr 17, 2018 by anonymous

+4 votes

1 answer

Why MME is sending paging with TMSI why not it is sending with GUTI?

posted Feb 7, 2018 by Sakshi Rai

0 votes

1 answer

LTE: What happens when an UE move from old MME to new MME without doing handover ?

posted Dec 21, 2017 by Ganesh

0 votes

1 answer

LTE: How does MME select PGW for a PDN connectivity request receives from an UE ?

posted Dec 20, 2017 by Ganesh

0 votes

1 answer

Why government is not forcing operator to collect GPS information for tracking?

posted Oct 31, 2017 by Ankit Mishra

+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

0 votes

1 answer

How UE will be connected to Network after power saving mode

posted Oct 5, 2017 by Rakesh Kumar Suman

0 votes

1 answer

LTE: Is it possible without having IP from default bearer, UE can make IMS call ?

posted Sep 22, 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

+2 votes

1 answer

How SGW knows ENB tunneling ID because MME will select SGW in the initial attach but SGW not aware of ENB?

posted Aug 24, 2017 by Charan Shah

+2 votes

1 answer

LTE: If all of a sudden enodeb shut down then how mme will know about enodeb?

posted Aug 10, 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

0 votes

1 answer

Whether MME send paging message to all ENB or it sends to particular ENB which has corresponding UE?

posted Aug 2, 2017 by Sakshi Rai