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Post under tag volte
Most voted questions under tag volte
Recent
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+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
+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
+5
votes
1
answer
How to achieve the best QoS for VOLTE?
posted
Nov 22, 2013
by
anonymous
lte
volte
qos
+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
+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
+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
+4
votes
0
answers
VoLTE Emergency EPC wireshark logs required
posted
Dec 19, 2015
by
Alkesh Mehta
lte
volte
ims
+4
votes
2
answers
Which node takes care of VoLTE charging ?
posted
Oct 27, 2015
by
Harshita
volte
ims
lte
+4
votes
1
answer
Why VoLTE power consumption is high as compare to CSFB?
posted
Nov 10, 2014
by
anonymous
lte
volte
csfb
+4
votes
1
answer
Differences between UMTS QoS and LTE QoS concepts and mechanisms?
posted
Jan 30, 2014
by
Mohamed Elwakiel
volte
lte
qos
+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
+3
votes
0
answers
Multiple IMS registration requests with nounce value
posted
Feb 11, 2017
by
Tejas Shinde
lte
ims
volte
ue
+3
votes
0
answers
Doubts on VoWiFi functionality .
posted
Apr 29, 2016
by
Sarjit Singh
wifi
lte
telecom
volte
+3
votes
1
answer
WiFI calling over trusted(TWAG/S2a) network.
posted
Apr 27, 2016
by
Sarjit Singh
s2a interface
wifi
lte
handover
volte
+3
votes
0
answers
Ericsson / Huawei / NSN for HLR and HSS
posted
Feb 13, 2016
by
Dan Betler
lte
volte
hss
hlr
+3
votes
1
answer
Do you know standard value of QoS of VoLTE?
posted
Feb 10, 2016
by
anonymous
lte
volte
+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
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
+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
+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
IMS : Why P-CSCF node can not send message directly to S-CSCF ?
posted
Oct 29, 2015
by
Alok
lte
volte
sip
+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
lte
volte
+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
+3
votes
2
answers
SPS IN LTE in UL & DL , along with DS
posted
Jan 14, 2014
by
Luv Singh
lte
volte
sps
+2
votes
0
answers
How to trace voice call in LTE?
posted
Nov 14, 2017
by
Bharat Kumar
lte
volte
enodeb
ue
+2
votes
0
answers
How to decrease IMS/Volte call set up time?
posted
Sep 5, 2017
by
Shyam Singh Pal
lte
volte
ims
srvcc
interview questions
+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
+2
votes
0
answers
what are the Online Charging parameters for IMS calls (VoLTE)?
posted
Feb 23, 2017
by
Gurusamy Narayanaswamy
lte
volte
charging
ims
+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
+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
+2
votes
0
answers
SIP: What is the functionality of ENUM node that residents in the SIP network ?
posted
Aug 3, 2016
by
Ganesh
sip
volte
ims
+2
votes
0
answers
What is IP Multimedia core network subsystem flag in IMS signalling
posted
Jun 14, 2016
by
Yeshwanth
lte
volte
+2
votes
0
answers
How VoLTE charging works?
posted
Apr 8, 2016
by
Chinmoy Padhi
volte
ims
charging
lte
diameter
+2
votes
0
answers
Do we have any VoLTE standardization by ITU-T?
posted
Feb 10, 2016
by
anonymous
lte
volte
+2
votes
1
answer
What is the difference between ISIM and USIM in LTE/VoLTE?
posted
Feb 8, 2016
by
anonymous
lte
volte
+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
+2
votes
1
answer
Policy counter subscription by the PCRF to OCS
posted
Dec 4, 2015
by
Pdk
lte
volte
diameter
pcrf
pcef
+2
votes
1
answer
What are all identifiers used for an UE in IMS network ?
posted
Nov 7, 2015
by
Harshita
lte
volte
ims
sip
+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
1
answer
LTE : Is there any specific requirement at eNodeB to support the IP Multimedia System (IMS) ?
posted
Oct 19, 2015
by
Vikram Singh
lte
java
enodeb
volte
+2
votes
1
answer
LTE: Does IMS takes part in voice transmitting or is it omitted?
posted
Jul 23, 2015
by
anonymous
lte
ims
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
+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
+1
vote
1
answer
Can we establish VOLTE call in Scell?
posted
Mar 5, 2020
by
Himani
lte
ims
sip
volte
+1
vote
0
answers
volte call failed with Unknown NAS message
posted
Mar 19, 2019
by
Sivakumar.d
volte
lte
ims
epc
mme
+1
vote
0
answers
Difference between VoLTE,VoeLTE and VoNR
posted
Nov 16, 2018
by
Kapil Gupta
lte
5g
volte
+1
vote
1
answer
TAU after csfb call end
posted
Sep 23, 2018
by
Raj
lte
csfb
4g
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
+1
vote
0
answers
VoLTE in LBO: Number translation
posted
May 22, 2018
by
Michael Semama
lte
volte
ue
ims
epc
+1
vote
0
answers
SIP response 380 "Alternative service"
posted
May 22, 2018
by
Michael Semama
lte
volte
ue
ims
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