Prioritizing Critical Calls
In some specialized environments, such as military or government offices, you might need to make and receive urgent or critical calls. If you have the need for this specialized call handling, your system administrator can add Multilevel Precedence and Preemption (MLPP) to your phone.
Keep these terms in mind:
•Precedence indicates the priority associated with a call.
•Preemption is the process of ending an existing, lower priority call while accepting a higher priority call that is sent to your phone.
If you... | Then... |
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Want to choose a priority (precedence) | Contact your system administrator for a list of |
level for an outgoing call | corresponding precedence numbers for calls. |
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Want to make a priority (precedence) | Enter the MLPP access number (provided by your system |
call | administrator) followed by the phone number. |
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Hear a special ring (faster than usual) | You are receiving a priority (precedence) call. An MLPP icon |
or special call waiting tone | on your phone screen indicates the priority level of the call. |
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Want to view priority level of a call | Look for an MLPP icon on your phone screen: |
| Priority call |
| Medium priority (immediate) call |
| High priority (flash) call |
| Highest priority (flash override) or Executive |
| Override call |
| Higher priority calls are displayed at the top of your call list. |
| If you do not see an MLPP icon, the priority level of the call |
| is normal (routine). |
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Want to accept a | Answer the call as usual. If necessary, end an active call first. |
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Hear a continuous tone interrupting | You or the other party are receiving a call that must preempt |
your call | the current call. Hang up immediately to allow the higher |
| priority call to ring through. |
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Tips
•When you make or receive an
•If you enter an invalid MLPP access number, a verbal announcement will alert you of the error.
Cisco Unified IP Phone 7970 Series for Cisco Unified CallManager 4.2(3) | 41 |