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PDF + P-CSCF S-CSCF I-CSCF SF PCS tower PCS tower PCS tower MF + RF OF functions distributed across entities Conceptual Architecture: Centralized (IMS) UNI PE A-BGF |
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PDF + P-CSCF S-CSCF I-CSCF SF PCS tower PCS tower PCS tower MF + RF OF functions distributed across entities Conceptual Architecture: Centralized (IMS) UNI PE A-BGF |