Most voted questions under tag epc

+2 votes

1 answer

LTE : Difference between EPC and Virtual EPC ?

posted Aug 1, 2015 by Vikram Singh

+2 votes

1 answer

How does PGW maintains QoS for various services ?

posted Jul 20, 2015 by Alok

+2 votes

1 answer

Unable to ping EnB, PGW, SGW from my LTE UE

posted Jul 17, 2015 by Naveen Yanamaddi

+2 votes

1 answer

Can we have same tft set for two dedicated bearers

posted Jun 22, 2015 by Naveen Yanamaddi

+2 votes

1 answer

Please provide Protocol Configuration Options GTP-C wireshark capture

posted Jun 8, 2015 by Naveen Yanamaddi

+2 votes

2 answers

LTE: How PGW will select the SGW for Incoming Packet?

posted Mar 8, 2015 by Srinivas Sambari

+2 votes

1 answer

Dedicated Bearer Creation Issue with the dongle.

posted Feb 13, 2015 by Naveen Yanamaddi

+2 votes

1 answer

How does PGW differentiate incoming data for different UE's in lte ?

posted Feb 11, 2015 by Kishore Kumar Ponukumati

+2 votes

1 answer

Can anybody distinguish the difference between NFV and VNF?

posted Dec 4, 2014 by Naveen Yanamaddi

+2 votes

1 answer

What is the difference between QCI and ARP priority?

posted Jun 19, 2014 by Kuldeep Apte

+2 votes

1 answer

How PCEF enforce the Charging Control?

posted Jun 13, 2014 by Rahul Vaidya

+2 votes

1 answer

LTE: Does TAU procedure need authentication of UE each time ?

posted Jun 11, 2014 by Ganesh

+2 votes

0 answers

LTE: Can TAU timer be modified at run time or it is always static ?

posted Jun 11, 2014 by Neelam

+2 votes

2 answers

How EPS bearers and an EPS sessions are different?

posted May 20, 2014 by Mridul

+2 votes

1 answer

What is the LIPA in the lte network ?

posted Dec 25, 2013 by Neeraj Mishra

+2 votes

1 answer

LTE: What does mean by Handling of Wild Card APN ?

posted Dec 25, 2013 by Harshita

+2 votes

2 answers

How SGSN must behave if UE/MS sends a "CREATE_PDP_REQ" with PDP_TYPE as IPv4v6, if it does not support this v4v6 PDP?

posted Oct 22, 2013 by Ramchandra Sawant

+2 votes

1 answer

LTE: What does means by non-current native EPS security context ?

posted Oct 17, 2013 by Vikram Singh

+2 votes

1 answer

LTE: what is mapped EPS security context and how it works ?

posted Oct 16, 2013 by Vikram Singh

+2 votes

2 answers

Can a MME belong to more than one plmn ?

posted Sep 30, 2013 by Vikram Singh

+2 votes

2 answers

What is the relation between SDF and TFT at PGW/PCEF ?

posted Sep 17, 2013 by Neeraj Mishra

+2 votes

1 answer

Connection Management States at EPC

posted Sep 10, 2013 by Luv Kumar

+2 votes

1 answer

How roaming works in LTE?

posted Aug 31, 2013 by Vimal Kumar Mishra

+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 UE selects attach type in attach request message ?

posted Jan 11, 2019 by Harshita

+1 vote

0 answers

Is it necessary to do authentication with network to use V2X unlicensed resources?

posted Sep 12, 2018 by Prachi Sharma

+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: What does mean by fully qualified tunnel id (FTEID) in GTP control messages ?

posted Jul 12, 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-CUPS: Why a new protocol "PFCP" is defined between control and user plane nodes ?

posted Jun 30, 2018 by Vikram Singh

+1 vote

0 answers

VoLTE in LBO: Number translation

posted May 22, 2018 by Michael Semama

+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

LTE: Which UDP port number is reserved for PFCP protocol in EPC CUPS architecture ? [MCQ]

posted Apr 9, 2018 by Vikram Singh

+1 vote

1 answer

LTE: which node of the network initiate bearer creation for voice call ?

posted Jan 21, 2018 by Rupam

+1 vote

Which of the following is/are the logical Nodes of EPC ? [MCQ]

posted Dec 6, 2017 by anonymous

+1 vote

1 answer

LTE: How vEPC would be different from the normal EPC ?

posted Nov 17, 2017 by Harshita

+1 vote

2 answers

LTE: How an UE comes to know its network supports configured APN ?

posted Jun 2, 2017 by Neeraj Mishra

+1 vote

1 answer

Why in 4G the EPC session is considered as "always on", what does it mean and how is it different with 2G & 3G?

posted May 26, 2017 by Hana Pamora

+1 vote

0 answers

IPERF problem in openstack between VMs?

posted Jul 18, 2016 by Ramachandran A

+1 vote

1 answer

Diameter Result code 4999, can anyone tell me the implementation made/seen for this result code.

posted Jul 3, 2016 by Hiteshwar Thakur

+1 vote

2 answers

Is it possible to modify the QCI of the Default bearer after UE attach complete?

posted Jun 1, 2016 by Jabid

+1 vote

1 answer

How Reporting-Reason AVP reporting is decided by GGSN/P-GW in Gy interface?

posted Mar 31, 2016 by Chinmoy Padhi

+1 vote

1 answer

When to set Error 'E' bit in Diameter message?

posted Mar 28, 2016 by Chinmoy Padhi

+1 vote

0 answers

Charging Rule for Default bearer without TFT info

posted Jan 6, 2016 by Pdk

+1 vote

1 answer

GBR and Non GBR bearer QoS parameters

posted Jul 6, 2015 by Naveen Yanamaddi

+1 vote

1 answer

Can PCEF initiate back to back CCR messages towards PCRF for IP-CAN session modification for same UE ?

posted Jan 31, 2015 by Vikram Singh

+1 vote

1 answer

Isn’t IPsec encryption a mechanism which each subscriber may decide to use (or not) between the UE and its peer?

posted Jun 20, 2014 by Yogeshwar Thakur

+1 vote

1 answer

How UE got to know about Service Types and when to switch between the services in LTE?

posted Jun 16, 2014 by Dilbagh

+1 vote

1 answer

What will happen if GUTI re-allocation procedure is ongoing and in between network receives detach request ?

posted May 20, 2014 by Mohammad