Expressway role in Cisco collaboration is to provide what type of services for B2B calling?

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Multiple Choice

Expressway role in Cisco collaboration is to provide what type of services for B2B calling?

Explanation:
Expressway is designed to bridge two Cisco Collaboration domains, enabling B2B calling by providing the edge and core collaboration services needed for inter-domain calls. It sits at the network boundary and handles both signaling and media traversal across firewalls and NATs, so endpoints in different domains can establish calls securely. The two components work together: Expressway-C handles call signaling and policy between domains, while Expressway-E takes care of traversing the media path, keeping the media streams secure as they pass through network boundaries. This setup makes B2B calls feasible without requiring a VPN, and it isn’t about recording or directory services, which are handled by other components.

Expressway is designed to bridge two Cisco Collaboration domains, enabling B2B calling by providing the edge and core collaboration services needed for inter-domain calls. It sits at the network boundary and handles both signaling and media traversal across firewalls and NATs, so endpoints in different domains can establish calls securely. The two components work together: Expressway-C handles call signaling and policy between domains, while Expressway-E takes care of traversing the media path, keeping the media streams secure as they pass through network boundaries. This setup makes B2B calls feasible without requiring a VPN, and it isn’t about recording or directory services, which are handled by other components.

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