4using your phone – Plantronics Calisto 540 User Manual

Page 10

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Plantronics P540-M User Guide

10

Dialing from phone

There are two ways that you can dial a number from your phone –
On-hook and Off-hook.

on-hook dialing

You are dialing on-hook when the phone handset is on the cradle
and the speaker is not turned ON. You will not hear audible
feedback for each button press.

• For the display to show “Enter a number to dial,” press any of

the buttons “0” through “9”, “*”, or “#.”

• To start dialing, enter the phone number, press the Speaker or

Headset button, or lift the handset off the cradle.

• To cancel on-hook dialing before the dialing starts, press the

Flash button.

off-hook dialing

You are off-hook dialing when you do any of the following actions:

• Pick up the phone handset.

• Press the Speaker button (the button was not illuminated

before the press).

• Press the Headset button (the button was not illuminated

before the press).

You hear audible feedback for each button press.

The dial tone that is played when you are off-hook dialing is either
a long or a short tone. The dial tone is long when the speaker is
not streaming any sound. The dial tone is short when the speaker
is being used for another application or for audio streaming. The
dial tone is short to minimize disturbance of the current activity.

If your phone is off-hook and you don’t dial anything, after one
minute, you will hear a 10-second howler tone alerting you that
Microsoft Office Communicator will be putting the phone on-
hook.

Dialing rules

In many organizations, IT administrators set up dialing rules that
define shortcuts and prefixes, and more, to be used when calling.
If dialing rules are set up for Microsoft Office Communicator, these
rules also apply to the phone.

For example, a dialing rule has been set up so that you call other
staff members in the same office by dialing only the last four
digits of the contact’s phone number by using Microsoft Office
Communicator. So, when you press the last four digits of a
contact’s phone number, and then don’t press any other number
for three seconds, Microsoft Office Communicator calls the

number if there is a match. If there is no rule for a particular dialing
pattern, Microsoft Office Communicator waits 10 seconds and
then dials the number. The phone follows the same rules.

Dialing rules also affect the behavior of the phone when the
computer it is connected to is locked. See “Using the phone
when the computer is locked,” in this document.

Switching between audio devices in your phone

The Plantronics P540-M selects the speakerphone as the default
audio device. However, if you manually selected another device—
for example, the headset—the phone remembers the choice.
Your next call is automatically streamed to the headset and you
do not have to press the Headset button to make a call or take an
incoming call through your headset.

When you pick up the handset (take it off the cradle), the
handset becomes the active audio device and the audio or call
is streamed to it. When you return the handset to the cradle, the
phone reverts to the audio device that you last selected.

Disconnecting and reconnecting the P540-M to the computer
erases the phone’s memory of the audio device that you selected.

After reconnecting to the computer, the phone selects the default,
speakerphone, as the audio device again.

While on a call using your phone, you can switch from one audio
device to another.

• If you’re using the handset, press the Speaker or Headset

button to move the call to the other audio device. However,
your call will end if you’re using the handset and you go on-
hook with it before you select the Speaker or Headset.

• If you’re using the speakerphone or headset, lift the handset

off the cradle to switch the call to the handset.

Performing tasks on phone

When it is connected to a computer that is running Microsoft
Office Communicator 2007 R2, the Plantronics P540-M can be
used as a calling device like any other. Lift the handset or press
the Speaker button and press the buttons on the keypad to make
a call. Return the handset to its cradle or press the Speaker
button again to end a call. For such basic information, see
Microsoft Office Communicator Help.

4

Using your phone

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