Ajax has deployed a firewall between their internal network and the Internet. All traffic to the Internet will pass through the firewall. For a single-site, centralized or distributed call processing model, what needs to be done to the Unified Communications infrastructure to ensure that the Cisco Unified Communications solution is in compliance with the Ajax security policy?
Deploystateful inspection of all RTP packets in the firewall.
Design a VPN tunnel solution through the firewall to the ISP.
Design a dynamic VPN solution between the firewall and the ISP.
Deploy the firewallfixup so that RTP streams will pass through the firewall properly.
Nothing needs to be done; no voice traffic will go out to the Internet.
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