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Post under tag volte
Most viewed questions under tag volte
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+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
volte
lte
sip
ims
ue
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
lte
volte
+1
vote
2
answers
Why QCI 9 and QCI 5 are always established and deactivated together?
posted
Nov 5, 2017
by
Faisal Adeem Siddiqui
lte
volte
ims
qci5
qci9
+2
votes
1
answer
What is the difference between ISIM and USIM in LTE/VoLTE?
posted
Feb 8, 2016
by
anonymous
lte
volte
+4
votes
1
answer
Differences between UMTS QoS and LTE QoS concepts and mechanisms?
posted
Jan 30, 2014
by
Mohamed Elwakiel
volte
lte
qos
+1
vote
0
answers
SIP response 380 "Alternative service"
posted
May 22, 2018
by
Michael Semama
lte
volte
ue
ims
+3
votes
1
answer
"Homogeneous Support of IMS Voice Over PS Sessions" in S6a ULR
posted
Apr 23, 2018
by
Michael Semama
lte
mme
volte
ims
ue
+2
votes
1
answer
IMS: Function difference between MRFC and MRFP components of Media Resource Function ?
posted
Dec 7, 2015
by
Harshita
lte
ims
volte
media server
sip
+6
votes
4
answers
VoLTE: Does a network need to establish a separate default bearer for IMS call ?
posted
Oct 24, 2015
by
Harshita
lte
ims
volte
+2
votes
1
answer
Policy counter subscription by the PCRF to OCS
posted
Dec 4, 2015
by
Pdk
lte
volte
diameter
pcrf
pcef
+1
vote
1
answer
VoLTE: Why UE is not sending PCO option in attach request?
posted
Apr 14, 2015
by
Alkesh Mehta
volte
lte
android
0
votes
0
answers
VOLTE: IFC (Initial Filter Criteria)
posted
Sep 12, 2017
by
Michael Semama
volte
ims
ue
lte
sip
+3
votes
2
answers
SPS IN LTE in UL & DL , along with DS
posted
Jan 14, 2014
by
Luv Singh
lte
volte
sps
+1
vote
1
answer
Differentiated paging for VoLTE
posted
Jun 26, 2015
by
anonymous
lte
volte
+1
vote
0
answers
What is RTP Gap? and how could we improve it?
posted
Jul 23, 2018
by
anonymous
lte
volte
core network
enodeb
0
votes
2
answers
Can a VoLTE Call Data flow on IMS Default Bearers?
posted
Apr 1, 2017
by
Anand Yadav
ims
lte
volte
ue
sip
+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
lte
volte
ims
media server
+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
lte
volte
sip
ue
ims
+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
lte
ims
volte
ue
sip
0
votes
0
answers
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
vowifi
volte
lbo
ims
pgw
+1
vote
1
answer
QCI 5 is mandatory for IMS SIP Signalling?
posted
Apr 3, 2017
by
Anand Yadav
lte
ims
volte
sip
qci
0
votes
0
answers
Way of use Homogeneous Support of IMS Voice Over PS Sessions
posted
Jun 3, 2020
by
anonymous
volte
lte
+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
lte
volte
+2
votes
3
answers
What is the advantage of using VoLTE and not useing CSFB?
posted
Aug 20, 2014
by
Yogeshwar Thakur
lte
csfb
volte
+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
lte
ims
volte
sip
+2
votes
0
answers
What is IP Multimedia core network subsystem flag in IMS signalling
posted
Jun 14, 2016
by
Yeshwanth
lte
volte
+6
votes
2
answers
IMS: Why is IP sec tunnel established between UE and P-CSCF ?
posted
Nov 25, 2015
by
Alok
lte
volte
ims
sip
+3
votes
1
answer
IMS: Does the PGW has static configuration of P-CSCF or dynamic ?
posted
Jun 11, 2014
by
Vimal Kumar Mishra
lte
cscf
sip
volte
pgw
+2
votes
1
answer
During Roaming in Volte/IMS Home Network P-CSCF will be used or visited network?
posted
May 15, 2014
by
Pardeep Kohli
cscf
volte
lte
+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
sip
lte
ims
volte
+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
lte
volte
sip
ims
+3
votes
1
answer
VOLTE: How the VoLTE call establishes for LTE network and legacy network ?
posted
Jan 19, 2016
by
Vikram Singh
volte
ims
lte
+3
votes
1
answer
WiFI calling over trusted(TWAG/S2a) network.
posted
Apr 27, 2016
by
Sarjit Singh
s2a interface
wifi
lte
handover
volte
+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
sip
ims
voip
volte
interview questions
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
interview questions
enodeb
ue
volte
+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
lte
volte
ims
ue
srvcc
+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
lte
volte
+1
vote
3
answers
LTE: Is it necessary VoLTE call packets should use QCI 1 bearer for transmission ?
posted
Mar 30, 2018
by
Harshita
lte
volte
interview questions
+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
sip
ims
volte
voip
+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
lte
deployment
volte
csfb
+1
vote
0
answers
Difference between VoLTE,VoeLTE and VoNR
posted
Nov 16, 2018
by
Kapil Gupta
lte
5g
volte
+2
votes
0
answers
How VoLTE charging works?
posted
Apr 8, 2016
by
Chinmoy Padhi
volte
ims
charging
lte
diameter
+1
vote
0
answers
how to check the P-CSCF that is configured in the UE
posted
Jun 20, 2017
by
anonymous
lte
volte
ue
sip
cscf
+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
lte
volte
sip
ims
+5
votes
1
answer
How to achieve the best QoS for VOLTE?
posted
Nov 22, 2013
by
anonymous
lte
volte
qos
+1
vote
1
answer
TAU after csfb call end
posted
Sep 23, 2018
by
Raj
lte
csfb
4g
volte
+1
vote
1
answer
Why IMS required separate PDN?Why cant default PDN controls voice data?
posted
Sep 18, 2017
by
Sakshi Rai
lte
ue
volte
ims
+2
votes
0
answers
VoLTE: At which stage of SIP registration, P-CSCF establishes secure IP connection with UE ?
posted
Aug 5, 2016
by
Ganesh
volte
lte
ims
sip
ue
+1
vote
0
answers
MT Call from 2G/3G to VoLTE User
posted
Apr 1, 2017
by
Anand Yadav
lte
ims
volte
ue
sip
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
lte
ims
volte
sip
mme
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