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520 TTAT.3G-26.114V18.12.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;IP Multimedia Subsystem (IMS); Multimedia Telephony; Media handling and interaction(Release 18) 2026-05-04
519 TTAT.3G-26.114V19.2.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;IP Multimedia Subsystem (IMS); Multimedia Telephony; Media handling and interaction(Release 19) 2026-05-04
518 TTAT.3G-26.117V19.1.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;5G Media Streaming (5GMS); Speech and audio profiles(Release 19) 2026-05-04
517 TTAT.3G-26.143V19.1.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Messaging Media profiles(Release 19) 2026-05-04
516 TTAT.3G-26.244V19.1.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Transparent end-to-end packet switched streaming service (PSS); 3GPP file format (3GP)(Release 19) 2026-05-04
515 TTAT.3G-26.250V19.1.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Codec for Immersive Voice and Audio Services (IVAS); General overview(Release 19) 2026-05-04
514 TTAT.3G-26.251V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Codec for Immersive Voice and Audio Services (IVAS); C code (fixed-point)(Release 19) 2026-05-04
513 TTAT.3G-26.252V18.3.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Codec for Immersive Voice and Audio Services (IVAS); Test sequences(Release 18) 2026-05-04
512 TTAT.3G-26.252V19.1.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Codec for Immersive Voice and Audio Services (IVAS); Test sequences(Release 19) 2026-05-04
511 TTAT.3G-26.253V18.7.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Codec for Immersive Voice and Audio Services (IVAS); Detailed Algorithmic Description including RTP payload format and SDP parameter definitions(Release 18) 2026-05-04