Recent questions under tag volte

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Local breakout is configured and VPLMN flag is enabled in HSS, still some subscribers using Home PGW for IMS APN.

posted Aug 17, 2022 by Sunil Khandelwal

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What is Ecall over IMS support?Anyway there is Emergency call over IMS support then why Ecall?

posted Aug 21, 2020 by Charan Shah

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Way of use Homogeneous Support of IMS Voice Over PS Sessions

posted Jun 3, 2020 by anonymous

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

posted Mar 27, 2020 by Jaganathan

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Can we establish VOLTE call in Scell?

posted Mar 5, 2020 by Himani

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Does RTP traffic flows If we keep VOLTE call in Mute State?

posted Feb 20, 2020 by Jaganathan

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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

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How the preemption works in volte network?

posted Jul 26, 2019 by anonymous

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Does NR supports CSFB or will it fall back only to LTE which is VOLTE?

posted Apr 10, 2019 by Jaganathan

+1 vote

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volte call failed with Unknown NAS message

posted Mar 19, 2019 by Sivakumar.d

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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

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In IMS VoLTE call, how to identify IPs assigned to phone numbers from control traffic (SIP, SDP …)?

posted Dec 6, 2018 by anonymous

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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

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Difference between VoLTE,VoeLTE and VoNR

posted Nov 16, 2018 by Kapil Gupta

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TAU after csfb call end

posted Sep 23, 2018 by Raj

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What is RTP Gap? and how could we improve it?

posted Jul 23, 2018 by anonymous

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VoLTE in LBO: Number translation

posted May 22, 2018 by Michael Semama

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SIP response 380 "Alternative service"

posted May 22, 2018 by Michael Semama

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ULR with AVP 1493 = NOT_SUPPORTED(0)

posted May 8, 2018 by Kohava Bentov

+1 vote

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VoLTE Diameter registration response (ULA)

posted May 8, 2018 by Kohava Bentov

+1 vote

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IMS Mobile termanated call to CS network

posted May 2, 2018 by Michael Semama

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

posted Apr 23, 2018 by Rohit Verma

+3 votes

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

posted Apr 23, 2018 by Michael Semama

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How to Imrprove RTP and Jitter in VoLTE

posted Apr 17, 2018 by anonymous

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

posted Mar 30, 2018 by Harshita

+1 vote

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

posted Jan 21, 2018 by Rupam

+1 vote

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

posted Nov 15, 2017 by Jaganathan

+2 votes

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How to trace voice call in LTE?

posted Nov 14, 2017 by Bharat Kumar

+1 vote

2 answers

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

posted Nov 5, 2017 by Faisal Adeem Siddiqui

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

posted Nov 2, 2017 by anonymous

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

posted Sep 22, 2017 by Harshita

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

posted Sep 18, 2017 by Sakshi Rai

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Can we use VOLTE in LTE supported mobile?

posted Sep 14, 2017 by Akhilesh

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VOLTE: IFC (Initial Filter Criteria)

posted Sep 12, 2017 by Michael Semama

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VOLTE: Location information in S8HR

posted Sep 12, 2017 by Michael Semama

+2 votes

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How to decrease IMS/Volte call set up time?

posted Sep 5, 2017 by Shyam Singh Pal

+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

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

posted Aug 18, 2017 by Rohit Verma

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how to check the P-CSCF that is configured in the UE

posted Jun 20, 2017 by anonymous

+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

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Is it possible to create VOLTE user services directly in UDC without going through mmtel?

posted Apr 7, 2017 by anonymous

+1 vote

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QCI 5 is mandatory for IMS SIP Signalling?

posted Apr 3, 2017 by Anand Yadav

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MT Call from 2G/3G to VoLTE User

posted Apr 1, 2017 by Anand Yadav

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Can a VoLTE Call Data flow on IMS Default Bearers?

posted Apr 1, 2017 by Anand Yadav

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

posted Feb 28, 2017 by anonymous

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

posted Feb 27, 2017 by Michael Semama

+2 votes

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what are the Online Charging parameters for IMS calls (VoLTE)?

posted Feb 23, 2017 by Gurusamy Narayanaswamy

+3 votes

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Multiple IMS registration requests with nounce value

posted Feb 11, 2017 by Tejas Shinde

+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