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• If you are using the internal speakerphone, press the SPEAKER key.
2.3.4 Changing the Volume
Use the VOLUME
• When there is no line active on the V310, the volume keys control the ringing volume.
• When the handset is off hook, the keys control the handset's speaker volume.
• When the speakerphone is active, the keys control the speaker volume.
2.3.5 Muting a Call
When you mute a call on the V310 you can hear the incoming signal (the sound from the other end
of the line) but you do not transmit a signal (the person on the other end of the line cannot hear
you). It does not matter whether you are using the handset, the internal speakerphone.
Press the MUTE key once to mute a call. Press it a second time to return to the call.
2.3.6 Placing a Call on Hold
When you place a call on hold, you neither receive nor transmit a signal. If your phone system is
configured to use the Music on Hold feature, the person on the other end of the line hears the
preconfigured music (or other audio). Otherwise, they hear nothing.
Press the HOLD key once to place a call on hold. Press it a second time to return to the call.
2.3.7 Using Voicemail
Once you have configured your SIP account's voicemail number on the V310, you can press the
VOICE MSG key to check your messages.
Use the MENU > SIP Accounts LCD screen or the Configuration > SIP Accounts screen to set
the voicemail account number. See
information.
2.3.8 Making Conference Calls
Take the following steps to make a three-way conference call.
Either start a call, or receive a call. Make sure you know which line the call is using.
1
Ensure the call is active (you can talk with the other person). Press the HOLD key to put the call on
2
hold.
Select another line. You can either receive an incoming call or make another outgoing call.
3
Ensure the call is active and press the CONF key. The three-way conference call begins. All three
4
parties can talk with one another.
V310 User's Guide
key to increase the volume, and use the VOLUME
Section 16.2 on page 109
Chapter 2 Hardware
key to decrease it.
or
Section 16.2 on page 109
for more
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