Most answered questions under tag volte

+6 votes

4 answers

VoLTE: Does a network need to establish a separate default bearer for IMS call ?

posted Oct 24, 2015 by Harshita

+1 vote

3 answers

LTE: Is it necessary VoLTE call packets should use QCI 1 bearer for transmission ?

posted Mar 30, 2018 by Harshita

+2 votes

3 answers

What is the advantage of using VoLTE and not useing CSFB?

posted Aug 20, 2014 by Yogeshwar Thakur

+1 vote

2 answers

Why QCI 9 and QCI 5 are always established and deactivated together?

posted Nov 5, 2017 by Faisal Adeem Siddiqui

+1 vote

2 answers

In SRVCC PS-CS initiated.Why not PS-PS voice calls in SRVCC as 3G network is there to support handover for packet call ?

posted Aug 30, 2017 by Mohit Mohan

0 votes

2 answers

Can a VoLTE Call Data flow on IMS Default Bearers?

posted Apr 1, 2017 by Anand Yadav

+2 votes

2 answers

LTE: Why a separate default bearer is required to exchange SIP signalling messages between UE and IMS network ?

posted Dec 20, 2016 by Vikram Singh

0 votes

2 answers

VoLTE: How many maximum VoLTE calls can be supported at a cell that is deployed on 10 Mhz bandwidth and FDD mode ?

posted Sep 9, 2016 by Harshita

+1 vote

2 answers

SIP: Does all the SIP control messages passes through SIP proxy-server or only a subset of SIP messages?

posted Aug 14, 2016 by Vikram Singh

+1 vote

2 answers

SIP: Why does proxy server respond with 100 trying message ? What if it does not do this ?

posted Aug 14, 2016 by Vikram Singh

+4 votes

2 answers

VoLTE: Why I-CSCF and S-CSCF has interface with the HSS and for what purposes it is used ?

posted Aug 5, 2016 by Ganesh

+6 votes

2 answers

IMS: Why is IP sec tunnel established between UE and P-CSCF ?

posted Nov 25, 2015 by Alok

+3 votes

2 answers

Is it necessary HSS and S-CSCF both the nodes belongs to home network for an IMS call ?

posted Nov 6, 2015 by Vimal Kumar Mishra

+4 votes

2 answers

Which node takes care of VoLTE charging ?

posted Oct 27, 2015 by Harshita

+3 votes

2 answers

SPS IN LTE in UL & DL , along with DS

posted Jan 14, 2014 by Luv Singh

0 votes

1 answer

What should be latency for the VOLTE call to be good MOS?

posted Mar 27, 2020 by Jaganathan

+1 vote

1 answer

Can we establish VOLTE call in Scell?

posted Mar 5, 2020 by Himani

0 votes

1 answer

What is the difference between 4g LTE and VoLTE? Which phone should I buy one with VoLTE or only 4G?

posted Nov 12, 2019 by anonymous

0 votes

1 answer

Is it mandatory that for a UE in VOLTE call and data IP Address must be different (different bearer)

posted Nov 26, 2018 by Amit Papriwal

+1 vote

1 answer

TAU after csfb call end

posted Sep 23, 2018 by Raj

0 votes

1 answer

ULR with AVP 1493 = NOT_SUPPORTED(0)

posted May 8, 2018 by Kohava Bentov

0 votes

1 answer

Difference between VOIP and VOLTE and Does VOLTE supported in 5G (NR)?

posted Apr 23, 2018 by Rohit Verma

+3 votes

1 answer

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

posted Apr 23, 2018 by Michael Semama

+1 vote

1 answer

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

posted Jan 21, 2018 by Rupam

+1 vote

1 answer

Can i make call using LTE wifi?Does anyone supports this?

posted Nov 15, 2017 by Jaganathan

0 votes

1 answer

Why muting calls happens in VoLTE Network, what is the reason behind mute Calls and resolution for same?

posted Nov 2, 2017 by anonymous

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

Why IMS required separate PDN?Why cant default PDN controls voice data?

posted Sep 18, 2017 by Sakshi Rai

+1 vote

1 answer

VOLTE: Location information in S8HR

posted Sep 12, 2017 by Michael Semama

+1 vote

1 answer

Why Packet error loss rate is allowed more for conversational voice in QCI table?

posted Aug 18, 2017 by Rohit Verma

+1 vote

1 answer

Can I use voice call (VOLTE) in the secondary cell?

posted Jun 15, 2017 by Sakshi Rai

+4 votes

1 answer

LTE: Is there any option by which UE registers to LTE network for data and voice through 3G/legacy network?

posted Jun 10, 2017 by Harshita

+1 vote

1 answer

QCI 5 is mandatory for IMS SIP Signalling?

posted Apr 3, 2017 by Anand Yadav

0 votes

1 answer

How voice packets flows through IMS network and reach to end user?

posted Feb 28, 2017 by anonymous

+2 votes

1 answer

What is the transport layer usually used for the SIP protocol in Volte (UDP/TCP/SCTP)?

posted Feb 27, 2017 by Michael Semama

+4 votes

1 answer

LTE: For the CS fall back what messages are exchanged between IMS, LTE and GSM nodes to continue VoLTE call ?

posted Aug 23, 2016 by Harshita

+1 vote

1 answer

IMS: When a dedicated bearer is established for a VoLTE call and which node initiates it ?

posted Aug 5, 2016 by Ganesh

+1 vote

1 answer

IMS: When the following response codes are used during an established IMS call session ?

posted Aug 1, 2016 by Ganesh

+3 votes

1 answer

WiFI calling over trusted(TWAG/S2a) network.

posted Apr 27, 2016 by Sarjit Singh

+3 votes

1 answer

Do you know standard value of QoS of VoLTE?

posted Feb 10, 2016 by anonymous

+2 votes

1 answer

What is the difference between ISIM and USIM in LTE/VoLTE?

posted Feb 8, 2016 by anonymous

+3 votes

1 answer

VOLTE: How the VoLTE call establishes for LTE network and legacy network ?

posted Jan 19, 2016 by Vikram Singh

+2 votes

1 answer

IMS: Function difference between MRFC and MRFP components of Media Resource Function ?

posted Dec 7, 2015 by Harshita

+3 votes

1 answer

LTE: Why does need a bearer of QCI 5 to exchange SIP signalling messages ?

posted Dec 4, 2015 by Ganesh Kumar

+3 votes

1 answer

LTE: What is the role of Media Resource Function (MRF) and Application Server (AS) while establishing VoLTE call ?

posted Dec 4, 2015 by Ganesh Kumar

+2 votes

1 answer

Policy counter subscription by the PCRF to OCS

posted Dec 4, 2015 by Pdk

+2 votes

1 answer

What are all identifiers used for an UE in IMS network ?

posted Nov 7, 2015 by Harshita

+3 votes

1 answer

IMS : Why P-CSCF node can not send message directly to S-CSCF ?

posted Oct 29, 2015 by Alok

+2 votes

1 answer

VoLTE : What are the roles for P-CSCF, I-CSCF and S-CSCF nodes during establishing voice call ?

posted Oct 22, 2015 by Harshita

+3 votes

1 answer

VoLTE : Apart from the LTE standard nodes like SGW, PGW and PCRF , what are all nodes involve to provide VoLTE ?

posted Oct 22, 2015 by Harshita