Zoom, security improvements, xml, ...

Improvements

Maintenance release for Poly Voice Software. Includes the following features:

• File Transfer Optimization During Software Upgrade
• Zoom Cloud Paging
• Zoom Network Conferencing with Participant Controls
• CCX 350 Supports APD-80 Electronic Hook Switch (EHS) Adapter
• Mobile Phone Contacts Sort Order
• Security Improvements on the System Web Interface
• Primary Configuration File XML Attributes for Managing 1GB CCX 400 or
  CCX 500 Phones