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Is there a 3GPP mentioning that if there is no TAU update UE cannot initiate a service?
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31
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814
|
January 18, 2023
|
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Details of SIP response codes
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2
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72
|
December 12, 2022
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VoLTE block call due to SIP 500 Internal server error
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1
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196
|
November 29, 2022
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How will UE shift its codec from EVS to AMR and AMR to EVS?
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14
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1126
|
November 29, 2022
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|
What is CSFB and SRVCC in LTE?
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6
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31692
|
November 12, 2022
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What are the reason Blocked Call Caused "SIP invite failure" in VoLTE?
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16
|
643
|
November 8, 2022
|
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IMS, VoLTE and Vo5G (VoNR)
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0
|
466
|
June 29, 2022
|
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What could be the possible causes of SIP Precondition Failures?
|
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0
|
65
|
November 3, 2022
|
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What happens to call on 5G SA if 404, 500 error code received?
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2
|
144
|
October 15, 2022
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Handsets reporting wrong MNCs issue
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3
|
79
|
October 15, 2022
|
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Some queries on VoNR
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12
|
860
|
October 12, 2022
|
|
Traffic ond TDD carrier even with Service Based HO for VoLTE services (TDD to FDD)
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39
|
1126
|
September 29, 2022
|
|
VoLTE Mute
|
|
27
|
2954
|
September 2, 2022
|
|
What is use of PCO under PDN connectivity request?
|
|
9
|
669
|
September 1, 2022
|
|
"SIP Response 380 Alternative Service" only working for Apple devices
|
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1
|
239
|
July 29, 2022
|
|
How eNodeB detects user inactivity for S1 release?
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|
26
|
2355
|
July 18, 2022
|
|
5G, Voice over NR (VoNR)
|
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0
|
483
|
July 5, 2022
|
|
VoLTE SIP BYE message with cause RTP/RTCP timeout
|
|
6
|
4508
|
June 28, 2022
|
|
Does UE need to indicate FGI bit 3,7 as supported for SMS over IMS?
|
|
16
|
497
|
June 24, 2022
|
|
Call disconnected if SRVCC happens before called number answer
|
|
13
|
299
|
June 10, 2022
|
|
S20FE 5G calls not being disconnected until other part disconnect
|
|
1
|
178
|
April 13, 2022
|
|
How to check which type of VoLTE Codecs are running?
|
|
6
|
647
|
April 12, 2022
|
|
VoLTE Features Discussion
|
|
3
|
4459
|
April 6, 2022
|
|
Rate control for VoLTE
|
|
14
|
1078
|
April 4, 2022
|
|
What is the difference between ACK and PRACK In SIP?
|
|
3
|
1648
|
April 1, 2022
|
|
When VoLTE Call (QCI1-2-5) and Data Session (QCI6-9) established in LTE, at which point allocation of QCI done?
|
|
8
|
1591
|
March 24, 2022
|
|
What is an ideal CST of VoLTE call?
|
|
13
|
2129
|
March 12, 2022
|
|
VoLTE Issues
|
|
4
|
2579
|
February 23, 2022
|
|
In Layer 3 which message can I see UE Manufacturer Name?
|
|
4
|
218
|
February 18, 2022
|
|
VoWiFi: Why the ePDG is designed to be behind the PGW?
|
|
69
|
2654
|
December 4, 2021
|