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Multi-Level Precedence and Preemption
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Making a call with MLPP
If your IP Deskphone is configured for MLPP, the display screen is
enhanced for making and receiving precedence calls. There are several
ways to make outgoing calls from your IP Deskphone with MLPP, as
follows:
• Make a call by going off-hook.
• Make a call by using an entry in the inbox or outbox call logs.
• Make a call from the personal and global Address Book, or from your
Friends list.
• Make a call from a received Instant Message.
• Make a call from a programmed key.
The precedence level is not saved in any of the calling methods in the
preceding list. For example, if you make a precedence call by going off-
hook, and then call the party back using the Redial key, the precedence is
not applied unless you select a precedence from the Redial menu. If a
precedence level is not specified when dialing, the call is a Routine
precedence call.
Precedence ringback tone
When you make a precedence call, you hear a ringback tone, indicating
that you have made a precedence call.
Making an MLPP call by going off-hook
There are three ways to go off-hook in order to make a call.
1. Handsfree key. Press the Handsfree key to go off-hook on the
primary line (the green line button) and produce a dial tone.
2. Line keys. Press any provisioned line key to go off-hook and produce
a dial tone.
3. Handset. Pick up the handset to go off-hook on the primary line and
produce a dial tone.
Once off-hook, the display prompts you for the destination address
information.The icon on the display screen indicates the line is off-hook