Cisco IP Phone Guide 7902G for Cisco CallManager 4.0.2
Prioritizing Critical Calls
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Prioritizing Critical Calls

Table Of Contents

Prioritizing Critical Calls

Prioritizing Critical Calls

Advanced call-handling tasks involve special (non-standard) features that your system administrator might configure for your phone depending on your call-handling needs and work environment. You typically will not have access to these features by default.

In some specialized environments, such as military or government offices, you might need to receive urgent or critical calls. These critical calls might require higher priority handling, such as being able to bypass other 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 want to...

Choose a priority (precedence) level for an outgoing call

Contact your system administrator for a list of corresponding precedence numbers for calls (ranging from low to highest).

Make a priority (precedence) call

Enter the MLPP access number (which is provided by your system administrator) followed by the phone number.

Receive a priority (precedence) call

While on an active call, you hear the special call waiting tone.

Accept an higher-priority call

When you hear the special call waiting tone, end an active call and answer the higher-priority call.

Receive a preemption call

While on an active call, you hear a continuous tone for about 10 seconds. The preemption call then overrides the active call.

Tip When you make or receive an MLPP-enabled call, you will hear special ring tones and call waiting tones that differ from the standard tones.