Topics tagged sip

Topic	Replies	Views	Activity
In which particular cases UE sends SIP 500 Sever Internal Error in Uplink during VoLTE call setup? 4G LTE volte , sip , core	22	1630	October 31, 2023
Why sometime when UE is in 3G we see SIP messages exchanged between UE and network? 3G / 2G 3g-umts-wcdma , sip , core	1	126	September 28, 2023
High number of N.NsaDc.SgNB.Add.Fail.Radio.UeCapability in some cells 5G NR 5g-nr , 5g-nsa , endc , sip	29	1888	September 27, 2023
How I-CSCF can get S-CSCF address? CORE core , sip	4	121	September 12, 2023
Does UE need to indicate FGI bit 3,7 as supported for SMS over IMS? CORE call-flow , sip , core	19	1231	September 11, 2023
What can be the reason of UE sending bye message with cause code DRB lost? CORE 5g-nr , optimization , vonr , sip	3	194	August 31, 2023
What does drop type 'SIP Bye Request' in tems mean? 4G LTE 4g-lte , sip , pucch-pusch , optimization	56	6086	June 13, 2023
VoLTE block call due to SIP 500 Internal server error 4G LTE 4g-lte , core , volte , sip	3	1484	June 2, 2023
What is CSFB and SRVCC in LTE? 4G LTE csfb , srvcc , 4g-lte , mobility , selection , reselection , sip	10	39737	May 24, 2023
SIP message 401 unauthorized, call drop event Transport Networks codec , call-flow , sip	30	6832	June 17, 2020
How will UE shift its codec from EVS to AMR and AMR to EVS? RAN volte , codec , vonr , sip	16	2782	May 11, 2023
Possible reasons for "SIP Cancel" during call setup failure cases CORE sip , core	4	1643	April 27, 2023
VoLTE Features Discussion 4G LTE volte , drx , 4g-lte , pucch-pusch , codec , sip , link-budget	5	5422	April 16, 2023
Details of SIP response codes CORE sip , core	3	1024	April 4, 2023
What is an ideal CST of VoLTE call? 4G LTE volte , drx , 4g-lte , sip	14	5185	February 16, 2023
Is there a 3GPP mentioning that if there is no TAU update UE cannot initiate a service? Specs & Protocol Testing reselection , sip , optimization	31	1572	January 18, 2023
What are the reason Blocked Call Caused "SIP invite failure" in VoLTE? 4G LTE volte , 4g-lte , sip	16	2043	November 8, 2022
IMS, VoLTE and Vo5G (VoNR) 4G LTE volte , vonr , 4g-lte , sip	0	899	June 29, 2022
What could be the possible causes of SIP Precondition Failures? CORE sip , core	0	257	November 3, 2022
What happens to call on 5G SA if 404, 500 error code received? 5G NR vonr , 5g-nr , sip	2	577	October 15, 2022
Handsets reporting wrong MNCs issue Devices devices , sip	3	229	October 15, 2022
Some queries on VoNR 5G NR vonr , solved , 5g-nr , sip	12	1815	October 12, 2022
Traffic ond TDD carrier even with Service Based HO for VoLTE services (TDD to FDD) 4G LTE volte , 4g-lte , spid , mos , sip , fdd , tdd	39	2028	September 29, 2022
VoLTE Mute 4G LTE volte , 4g-lte , mos , sip , pucch-pusch , optimization	27	4686	September 2, 2022
What is use of PCO under PDN connectivity request? CORE core , sip	9	1379	September 1, 2022
"SIP Response 380 Alternative Service" only working for Apple devices Devices devices , sip	1	745	July 29, 2022
How eNodeB detects user inactivity for S1 release? 4G LTE drx , 4g-lte , sip	26	5270	July 18, 2022
5G, Voice over NR (VoNR) 5G NR vonr , 5g-nr , sip , voice	0	1567	July 5, 2022
VoLTE SIP BYE message with cause RTP/RTCP timeout 4G LTE volte , 4g-lte , sip	6	7716	June 28, 2022
Call disconnected if SRVCC happens before called number answer 4G LTE volte , srvcc , 4g-lte , sip	13	984	June 10, 2022