Recent posts under tag epc

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How the preemption works in volte network?

posted Jul 26, 2019 by anonymous

+1 vote

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PDN GW address provided by the HSS in S6a-IDR

posted May 21, 2019 by Michael Semama

+1 vote

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volte call failed with Unknown NAS message

posted Mar 19, 2019 by Sivakumar.d

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

posted Jan 11, 2019 by Harshita

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VoLTE: How does voice call establish when one party using VoLTE technology and the other one using 2G ?

posted Jan 1, 2019 by Vikram Singh

+2 votes

Job openings in LTE EPC domain at Radisys Bangalore

posted Oct 25, 2018 by Vimal Kumar Mishra

+2 votes

EPC Software Architect at Radisys India Pvt Ltd

posted Oct 9, 2018 by Ravi Bhushan Yadav

+2 votes

EPC Project Manager at Radisys India Pvt Ltd

posted Oct 9, 2018 by Ravi Bhushan Yadav

+2 votes

EPC, Software Engineer, Sr at Radisys

posted Oct 9, 2018 by Ravi Bhushan Yadav

+2 votes

LEAD for EPC Core at Radisys India Private Ltd

posted Oct 9, 2018 by Ravi Bhushan Yadav

+1 vote

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

posted Sep 12, 2018 by Prachi Sharma

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LTE: In CUPS architecture, how decision is taken for data buffering either at Control Plane (CP) or User Plane (UP) ?

posted Sep 1, 2018 by Harshita

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

posted Aug 2, 2018 by Jaganathan

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LTE: When SGW triggers "stop paging" message to MME ?

posted Jul 28, 2018 by Harshita

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1 answer

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

posted Jul 12, 2018 by Harshita

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

posted Jul 11, 2018 by Jaganathan

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LTE: Either "ECGI" or "TAI", which one is considered by a MME to make SGW selection for CS request ?

posted Jul 6, 2018 by Harshita

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LTE-CUPS: Why a new protocol "PFCP" is defined between control and user plane nodes ?

posted Jun 30, 2018 by Vikram Singh

+1 vote

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VoLTE in LBO: Number translation

posted May 22, 2018 by Michael Semama

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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

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LTE: When UE triggers integrity protected Attach request and when it sends as plain NAS message ?

posted Apr 29, 2018 by Ganesh

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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

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LTE: What all information UE may request from network in protocol configuration option (PCO) as part of attach request ?

posted Apr 28, 2018 by Vikram Singh

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LTE: Apart from VoLTE call setup, which are all other scenarios when network may initiate dedicated bearer setup ?

posted Apr 13, 2018 by Harshita

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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

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How to test S6a ,S5/S8 interface?

posted Sep 12, 2017 by Chinmoy Padhi

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Why SGW is buffering UE data, however ENB PDCP buffers the data then why buffering is needed in SGW?

posted Aug 23, 2017 by Charan Shah

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How PGW knows which SGW to forward the DL data arrival indication when UE in idle mode?

posted Aug 23, 2017 by Charan Shah

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

posted Jun 2, 2017 by Neeraj Mishra

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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

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How end to end QoS in managed in LTE?

posted May 11, 2017 by Hana Pamora

+3 votes

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LTE: Can a SGW initiate bearer release for an UE due to congestion or any other reason ?

posted Jan 10, 2017 by Harshita

+2 votes

1 answer

Diameter S6a interface: SUBSCRIPTION-DATA AVP in IDR message

posted Aug 29, 2016 by Michael Semama

+1 vote

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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

+3 votes

2 answers

What is Virtualization of EPC can you please expian?

posted May 19, 2016 by Mallikharjuna Reddy

+3 votes

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What reference materials should be studied before implementing virtual EPC ?

posted May 14, 2016 by Vikram Singh

+2 votes

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What is PDB, PLER, QCI Priority and how these parameters are useful in Bearer Creation?

posted Apr 26, 2016 by Mallikharjuna Reddy

+2 votes

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Default Bearer of a UE (i.e UE1) can be Pre-emptable by another UE (i.e UE2) in Congestion?

posted Apr 12, 2016 by Mallikharjuna Reddy

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How long SGW buffers the data packets coming from PGW for an ECM-IDLE UE but in EMM-REGISTERED state ?

posted Apr 6, 2016 by Harshita

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

posted Mar 31, 2016 by Chinmoy Padhi

+1 vote

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

posted Mar 28, 2016 by Chinmoy Padhi

+3 votes

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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

+2 votes

3 answers

Will it be possible to send multiple CCR-I with same session id and different rating groups?

posted Mar 3, 2016 by Chinmoy Padhi

+1 vote

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Charging Rule for Default bearer without TFT info

posted Jan 6, 2016 by Pdk

+3 votes

1 answer

LTE: How does network initiate bearer creation for an UE ?

posted Dec 14, 2015 by Ganesh Kumar