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• Authorized access to a CMA directory
• Ability to watch the CMA presence status of CMA contacts
Unsupported Phone Features
The following features are not supported on the Polycom VVX 1500 D:
• Transferring or forwarding H.323 calls
• Joining of remaining parties when H.323 conference host exits
• Multiple H.323 servers
• SRST (SIP server redundancy)
• Far-end camera control
• Conveying microphone mute status between endpoints