Detailed description of Multiple Level Precedence and Preemption

Last Updated : Oct 12, 2021 |
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The Multiple Level Precedence and Preemption feature is available with Communication Manager Release 2.0 (V12) or later.
The media servers and gateways that are referenced in this document support MLPP, the Joint Interoperability Test Command (JITC) has certified only the following servers:
  • S8300D
  • S8300E
  • HP DL360 G7
  • Dell R610
Multiple Level Precedence and Preemption supports the following capabilities:
  • Precedence Calling
  • Announcements for Precedence Calling
  • Precedence Call Waiting
  • Precedence Routing
  • Dual Homing
  • End Office Access Line Hunting
  • Preemption
  • Line Load Control
  • Worldwide Numbering and Dialing Plan