Topics tagged sip

Topic	Replies	Views	Activity
Does UE need to indicate FGI bit 3,7 as supported for SMS over IMS? CORE call-flow , sip , core	20	1960	March 23, 2025
VoLTE SIP BYE message with cause RTP/RTCP timeout 4G LTE volte , 4g-lte , sip	7	12156	February 13, 2025
Some queries on VoNR 5G NR vonr , solved , 5g-nr , sip	12	2779	October 12, 2022
SIP Response Codes CORE core , sip	0	534	July 28, 2024
SIP Integration with AI Voice Bot Telco Cloud sip	0	36	December 19, 2024
High number of N.NsaDc.SgNB.Add.Fail.Radio.UeCapability in some cells 5G NR 5g-nr , 5g-nsa , endc , sip	30	3278	December 12, 2024
Which message should be checked in the SIP INVITE for an Emergency Call (EM)? 4G LTE 4g-lte , sip , core	0	21	December 1, 2024
Possible reasons for "SIP Cancel" during call setup failure cases CORE sip , core	5	2988	October 22, 2024
VoLTE drops with SIB Bye in DL cause "insufficient bearer resources" 4G LTE 4g-lte , volte , sip	2	207	September 9, 2024
VoWiFi: Why the ePDG is designed to be behind the PGW? CORE sip , core , ipsec	69	6146	December 4, 2021
How SIP drop call rate is calculated? CORE call-flow , sip , core	21	5485	May 27, 2021
What is CSFB and SRVCC in LTE? 4G LTE csfb , srvcc , 4g-lte , mobility , selection , reselection , sip	11	47520	December 18, 2023
What are the reason Blocked Call Caused "SIP invite failure" in VoLTE? 4G LTE volte , 4g-lte , sip	18	3604	April 15, 2024
VoLTE Mute 4G LTE volte , 4g-lte , mos , sip , pucch-pusch , optimization	27	6814	April 4, 2024
How to switch your career from a Core telecom professional to a Cloud professional Telco Cloud sip	7	5651	October 19, 2021
When VoLTE Call (QCI1-2-5) and Data Session (QCI6-9) established in LTE, at which point allocation of QCI done? 4G LTE qos , 4g-lte , call-flow , sip	8	5470	March 24, 2022
Why does invite not received at MT during drive test if handover are happening? CORE sip , core , optimization	1	129	March 14, 2024
Favorites Site Feedback call-flow , sip	1	6229	July 3, 2021
When default bearer of IMS signaling is released in VoLTE call? 4G LTE volte , 4g-lte , sip	35	7058	February 18, 2024
In which particular cases UE sends SIP 500 Sever Internal Error in Uplink during VoLTE call setup? 4G LTE volte , sip , core	23	3255	February 15, 2024
VoLTE drops with Cause Value of Regular Deactivation 4G LTE 4g-lte , optimization , volte , sip	2	305	January 27, 2024
Why sometime when UE is in 3G we see SIP messages exchanged between UE and network? 3G / 2G 3g-umts-wcdma , sip , core	1	351	September 28, 2023
How I-CSCF can get S-CSCF address? CORE core , sip	4	326	September 12, 2023
What can be the reason of UE sending bye message with cause code DRB lost? CORE 5g-nr , optimization , vonr , sip	3	674	August 31, 2023
What does drop type 'SIP Bye Request' in tems mean? 4G LTE 4g-lte , sip , pucch-pusch , optimization	56	7200	June 13, 2023
VoLTE block call due to SIP 500 Internal server error 4G LTE 4g-lte , core , volte , sip	3	2378	June 2, 2023
SIP message 401 unauthorized, call drop event Transport Networks codec , call-flow , sip	30	8881	June 17, 2020
How will UE shift its codec from EVS to AMR and AMR to EVS? RAN volte , codec , vonr , sip	16	4583	May 11, 2023
VoLTE Features Discussion 4G LTE volte , drx , 4g-lte , pucch-pusch , codec , sip , link-budget	5	6324	April 16, 2023
Details of SIP response codes CORE sip , core	3	1698	April 4, 2023