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About This Item
Full Description
NOTE: The TFO principles are built so that they could be used as well by other systems other than GSM and UMTS.In analogy with ITU-T Recommendations I.130 [2] and with reference to ITU-T Recommendations Q.65 VI.1 (Stage 2 of the method for the characterisation of services supported by an ISDN), the second stage of the following three-level structure is derived from a stage 1 service description.
- Stage 1 is an overall service description, from the service subscriber's and user's standpoints, that views the network as a single entity which provides services to the user.
- Stage 2 identifies the functional capabilities and information flows needed to support the service described in stage 1. Furthermore, it identifies various possible physical locations for the functional capabilities. The output of Stage 2, which is signalling system independent, is used as an input to Stage 3, the design of signalling system and switching Recommendations.
- Stage 3 defines the signalling system protocols and switching functions needed to implement the service described in stage 2.
Document History
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ETSI TS 123 053
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 16.0.0 Release 16)- Most Recent
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ETSI TS 123 053
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 15.0.0 Release 15)- Historical Version
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ETSI TS 123 053
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 14.0.0 Release 14)- Historical Version
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ETSI TS 123 053
viewing
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 13.0.0 Release 13)- Historical Version
-
ETSI TS 123 053
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 12.0.0 Release 12)- Historical Version
-
ETSI TS 123 053
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 11.0.0 Release 11)- Historical Version
-
ETSI TS 123 053
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 10.0.0 Release 10)- Historical Version
-
ETSI TS 123 053
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 9.0.0 Release 9)- Historical Version
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ETSI TS 123 053
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 8.0.0 Release 8)- Historical Version
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ETSI TS 123 053
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 7.0.0 Release 7)- Historical Version
-
ETSI TS 123 053
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 6.0.0 Release 6)- Historical Version
-
ETSI TS 123 053
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 5.0.0 Release 5)- Historical Version
-
ETSI TS 123 053
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 4.0.1 Release 4)- Historical Version
-
ETSI TS 123 053
Universal Mobile Telecommunications System (UMTS); Digital cellular telecommunications system (Phase 2+); Tandem Free Operation (TFO); Service description; Stage 2 (3GPP TS 23.053 version 4.0.0 Release 4)- Historical Version