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ETSI TS 122135-V19.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; Multicall; Service description; Stage 1 (3GPP TS 22.135 version 19.0.0 Release 19)
Standard published on 22.10.2025
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ETSI TS 122135-V3.1.0
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Universal Mobile Telecommunications System (UMTS); Multicall; Service description; Stage 1 (3G TS 22.135 version 3.1.0 Release 1999)
Standard published on 28.1.2000
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ETSI TS 122135-V3.2.0
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Universal Mobile Telecommunications System (UMTS); Multicall; Service description; Stage 1 (3G TS 22.135 version 3.2.0 Release 1999)
Standard published on 31.3.2000
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ETSI TS 122135-V3.3.0
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Universal Mobile Telecommunications System (UMTS); Multicall; Service description; Stage 1 (3G TS 22.135 version 3.3.0 Release 1999)
Standard published on 22.6.2000
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ETSI TS 122135-V3.4.0
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Universal Mobile Telecommunications System (UMTS); Multicall; Service description; Stage 1 (3GPP TS 22.135 version 3.4.0 Release 1999)
Standard published on 31.10.2000
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ETSI TS 122135-V4.0.0
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Universal Mobile Telecommunications System (UMTS); Multicall; Service description; Stage 1 (3GPP TS 22.135 version 4.0.0 Release 4)
Standard published on 31.3.2001
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ETSI TS 122135-V4.1.0
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Universal Mobile Telecommunications System (UMTS); Multicall; Service description; Stage 1 (3GPP TS 22.135 version 4.1.0 Release 4)
Standard published on 31.3.2002
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ETSI TS 122135-V4.2.0
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Universal Mobile Telecommunications System (UMTS); Multicall; Service description; Stage 1 (3GPP TS 22.135 version 4.2.0 Release 4)
Standard published on 19.12.2002
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ETSI TS 122135-V5.0.0
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Universal Mobile Telecommunications System (UMTS); Multicall; Service description; Stage 1 (3GPP TS 22.135 version 5.0.0 Release 5)
Standard published on 30.6.2002
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ETSI TS 122135-V6.0.0
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Universal Mobile Telecommunications System (UMTS); Multicall; Service description; Stage 1 (3GPP TS 22.135 version 6.0.0 Release 6)
Standard published on 7.1.2005
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