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
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January 18, 2023
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Details of SIP response codes
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2
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72
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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
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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
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November 29, 2022
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What is CSFB and SRVCC in LTE?
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6
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31692
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November 12, 2022
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What are the reason Blocked Call Caused "SIP invite failure" in VoLTE?
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16
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643
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November 8, 2022
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IMS, VoLTE and Vo5G (VoNR)
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0
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466
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June 29, 2022
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What could be the possible causes of SIP Precondition Failures?
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0
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65
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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
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144
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October 15, 2022
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Handsets reporting wrong MNCs issue
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3
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79
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October 15, 2022
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Some queries on VoNR
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12
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860
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October 12, 2022
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Traffic ond TDD carrier even with Service Based HO for VoLTE services (TDD to FDD)
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39
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1126
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September 29, 2022
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VoLTE Mute
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27
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2954
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September 2, 2022
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What is use of PCO under PDN connectivity request?
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9
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669
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September 1, 2022
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"SIP Response 380 Alternative Service" only working for Apple devices
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1
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239
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July 29, 2022
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How eNodeB detects user inactivity for S1 release?
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26
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2355
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July 18, 2022
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5G, Voice over NR (VoNR)
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0
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483
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July 5, 2022
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VoLTE SIP BYE message with cause RTP/RTCP timeout
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6
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4508
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June 28, 2022
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Does UE need to indicate FGI bit 3,7 as supported for SMS over IMS?
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16
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497
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June 24, 2022
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Call disconnected if SRVCC happens before called number answer
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13
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299
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June 10, 2022
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S20FE 5G calls not being disconnected until other part disconnect
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1
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178
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April 13, 2022
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How to check which type of VoLTE Codecs are running?
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6
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647
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April 12, 2022
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VoLTE Features Discussion
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3
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4459
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April 6, 2022
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Rate control for VoLTE
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14
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1078
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April 4, 2022
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What is the difference between ACK and PRACK In SIP?
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3
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1648
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April 1, 2022
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When VoLTE Call (QCI1-2-5) and Data Session (QCI6-9) established in LTE, at which point allocation of QCI done?
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8
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1591
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March 24, 2022
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What is an ideal CST of VoLTE call?
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13
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2129
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March 12, 2022
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VoLTE Issues
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4
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2579
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February 23, 2022
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In Layer 3 which message can I see UE Manufacturer Name?
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4
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218
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February 18, 2022
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VoWiFi: Why the ePDG is designed to be behind the PGW?
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69
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2654
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December 4, 2021
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