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I2 3GPP Integration

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I2 3GPP Integration

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    1. 1 i2 3GPP Integration

    2. 2 3GPP emergency architecture and signaling*

    3. 3 i2 Network architecture*

    4. 4 Scenarios under consideration*

    5. 5 Scenario 1 – UE on 3GPP access using Internet VoIP service working to i2 architecture

    6. 6 Scenario 1 – Adding LIS front end to LRF

    7. 7 Scenario 2 – IMS CSCF used from non-3GPP access

    8. 8 Scenario 2 – LRF uses LIS

    9. 9 Items for consideration Location by reference provides the most flexibility in terms of ensuring mid-call updates can be supported For scenario 2, can LIS provided location reference pass transparently through IMS CSCF and on to LRF For scenario 2, there is no local P-CSCF. Need mechanism to have UE use S/E-CSCF by default For scenario 2, the area of coverage of the 3rd party, non-3GPP, access may be outside CSCF PSAP catchment Contingency to have CSCF route into i2 service domain – e.g. via V6 interface

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