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DE??? ??
?? 6??? ??? ??? ??? ??? ??.
?? ???? ??? ??? ??? ??? ??? ????: .
American Welding Society (AWS), ??? ??
European Telecommunications Standards Institute (ETSI), ??? ??
- ETSI TS 123 334-2010 UMTS(Global System for Mobile Telecommunications) Long Term Evolution Technology IMS(IP ????? ?????) IMS-ALG(?????? ?? ?????) IMS-AGW(IMS ??? ?????) ?????: ???? ??(?? 9.2.0) 3GPP TS 29.334(?? 9.2.0, 9?? ???)
- ETSI TS 123 334-2012 UMTS(Global System for Mobile Telecommunications) Long Term Evolution Technology IMS(IP ????? ?????) IMS-ALG(?????? ?? ?????) IMS-AGW(IMS ??? ?????) ?????: ???? ??(?? 10.3.0) 3GPP TS 29.334(?? 10.3.0, 10?? ???)
- ETSI TS 129 334-2010 ??? ??? ?? ???(Phase 2+) UMTS(Global Mobile Telecommunications System) ??? ?? ?? IMS-ALG(IMS Application Level Gateway) IMA-MGW(IMS Access Gateway) Iq ????? 3??( ?? 9.2.0).3GPP TS 29.334(?? 9.2.0, 9? ???)
- ETSI TS 129 334-2012 ??? ??? ?? ???(Phase 2+) UMTS(Global Mobile Telecommunications System) ??? ?? ?? IMS-ALG(IMS Application Level Gateway) IMA-MGW(IMS Access Gateway) Iq ????? 3??( ?? 10.3.0).3GPP TS 29.334(?? 10.3.0, 10?? ???)
- ETSI TS 129 334-2011 ??? ??? ?? ???(Phase 2+) UMTS(Global Mobile Telecommunications System) ??? ?? ?? IMS-ALG(IMS Application Level Gateway) IMA-MGW(IMS Access Gateway) Iq ????? 3??( ?? 10.1.0).3GPP TS 29.334(?? 10.1.0, 10?? ???)