Topics tagged sip

Topic	Replies	Views	Activity
How will UE shift its codec from EVS to AMR and AMR to EVS? RAN volte , codec , vonr , sip	17	4834	November 21, 2025
SIP Timer Tuning in VoLTE Networks - Why It Matters CORE 4g-lte , core , sip , optimization	1	127	September 4, 2025
SIP and RTP in VoLTE 4G LTE votle , sip , ims	3	162	September 3, 2025
IMS, VoLTE and Vo5G (VoNR) 4G LTE volte , vonr , 4g-lte , sip	0	1320	June 29, 2022
Does UE need to indicate FGI bit 3,7 as supported for SMS over IMS? CORE call-flow , sip , core	20	2100	March 23, 2025
VoLTE SIP BYE message with cause RTP/RTCP timeout 4G LTE volte , 4g-lte , sip	7	12674	February 13, 2025
Some queries on VoNR 5G NR vonr , solved , 5g-nr , sip	12	2945	October 12, 2022
SIP Response Codes CORE core , sip	0	598	July 28, 2024
SIP Integration with AI Voice Bot Digital Transformation sip	0	65	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	3476	December 12, 2024
Which message should be checked in the SIP INVITE for an Emergency Call (EM)? 4G LTE 4g-lte , sip , core	0	31	December 1, 2024
Possible reasons for "SIP Cancel" during call setup failure cases CORE sip , core	5	3096	October 22, 2024
VoLTE drops with SIB Bye in DL cause "insufficient bearer resources" 4G LTE 4g-lte , volte , sip	2	340	September 9, 2024
VoWiFi: Why the ePDG is designed to be behind the PGW? CORE sip , core , ipsec	69	6622	December 4, 2021
How SIP drop call rate is calculated? CORE call-flow , sip , core	21	5643	May 27, 2021
What is CSFB and SRVCC in LTE? 4G LTE csfb , srvcc , 4g-lte , mobility , selection , reselection , sip	11	48516	December 18, 2023
What are the reason Blocked Call Caused "SIP invite failure" in VoLTE? 4G LTE volte , 4g-lte , sip	18	3727	April 15, 2024
VoLTE Mute 4G LTE volte , 4g-lte , mos , sip , pucch-pusch , optimization	27	6988	April 4, 2024
How to switch your career from a Core telecom professional to a Cloud professional Digital Transformation sip	7	5711	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	5634	March 24, 2022
Why does invite not received at MT during drive test if handover are happening? CORE sip , core , optimization	1	160	March 14, 2024
Favorites Site Feedback call-flow , sip	1	6313	July 3, 2021
When default bearer of IMS signaling is released in VoLTE call? 4G LTE volte , 4g-lte , sip	35	7389	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	3480	February 15, 2024
VoLTE drops with Cause Value of Regular Deactivation 4G LTE 4g-lte , optimization , volte , sip	2	326	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	396	September 28, 2023
How I-CSCF can get S-CSCF address? CORE core , sip	4	366	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	714	August 31, 2023
What does drop type 'SIP Bye Request' in tems mean? 4G LTE 4g-lte , sip , pucch-pusch , optimization	56	7416	June 13, 2023
VoLTE block call due to SIP 500 Internal server error 4G LTE 4g-lte , core , volte , sip	3	2482	June 2, 2023