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• Integration with Avaya Hybrid Cloud Gateway (HCG) through the A1 interface and remote worker through the B1 interface.

• Avaya SBCE uses seven A1 side IP addresses and three B1 side IP addresses.

• HCG communicates with Avaya SBCE A1 sig-int-IP1, which forwards the traffic to A1 sig-int-IP2, and the traffic is sent to SM-1.

• HCG communicates with Avaya SBCE A1 sig-int-IP3, which forwards the traffic to A1 sig-int-IP4, and the traffic is sent to SM-2.

• Avaya SBCE sends media from the on-premise AMS over med-int-IP7 to med-ext-IP3 (B1), which is then sent to MPC.