User guide
Table Of Contents
- Getting Started
- Phone Components
- Softkey Buttons
- Using Keypad Shortcuts
- Installing Your Phone
- Reversing the Handset Retention Tab
- Connecting the Phone to the Wireless Network
- Determining Your Current Firmware Version
- Download the Firmware
- Get Your Phone’s IP Address
- Install the Firmware
- Using Basic Phone Functions
- Using the Speakerphone
- Using the Headset with Your IP Phone
- Switching Between the Handset/Headset/Speakerphone During a Call
- Sending Audio to the Phone Speaker
- Choosing Your Preferred Audio Device
- Adjusting Call Volume
- Adjusting the Ringer Volume
- Using Mute
- Using Dial Assistance
- Performing an Attended Transfer
- Performing an Unattended (Blind) Transfer
- Performing an Transfer to Voicemail
- Transferring a Held Call to an Active Call
- Forwarding All Calls
- Forwarding Calls When Your Phone is Busy
- Forwarding Calls When You Don’t Answer the Phone
- Delaying Call Forwarding When You Don’t Answer the Phone
- Stopping Call Forwarding
- Activating Do Not Disturb
- Deactivating Do Not Disturb
- Conferencing a Held Call with an Active Call
- Conference Menu Options
- Using Your Personal Directory
- Using the Corporate Directory
- Viewing the Call History Lists
- Calling from the Call History Lists
- Deleting a Number from the Call History Lists
- Saving a Call History List Number to Your Directory
- Using Advanced Phone Features
- Creating Speed Dials on Unused Line Buttons
- Creating Numerical Speed Dials
- Changing the LCD Screen Contrast
- Changing the Screen Backlight Settings
- Configuring the Phone Screen Saver
- Turning on the Screen Saver
- Changing Your Ring Tone
- Setting Your Phone’s Date and Time
- Rebooting Your Phone
- Using the Web Interface
- Where to Go From Here

Using Basic Phone Functions
Turning Call Waiting On and Off
Cisco Small Business Pro IP Phone SPA 504G User Guide (SIP) 37
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Using the star code:
Enter *78 to activate Do Not Disturb.
Deactivating Do Not Disturb
Using the -dnd softkey:
To deactivate Do Not Disturb, press the -dnd softkey.
Using the Setup button:
You can also deactivate Do Not Disturb by pressing the Setup button and selecting
Preferences > Do Not Disturb.
Using the star code:
Enter *79 to deactivate Do Not Disturb.
Turning Call Waiting On and Off
Call waiting alerts you when you are on a call by ringing your phone and displaying a status
message that another call is ringing. If you turn call waiting off, incoming calls do not ring
your phone if you are on another call, and the caller hears a busy signal or message.
You can also turn call waiting on and off from your PC using the IP Phone Web Interface. See
the “Configuring Call Waiting” section on page 57.
Using the Setup button:
STEP 1 Press the Setup button.
STEP 2 Select Preferences.
STEP 3 Choose Call Waiting and press edit.
STEP 4 Press the y/n softkey to turn call waiting on or off.
STEP 5 Press ok.
STEP 6 Press save.










