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Cisco 6851 Series User Manual

Cisco 6851 Series
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Cisco IP Phone 6851 Series User Guide
15 | P a g e
Before you begin
Your phone must be set up to obtain your physical location. Emergency services personnel need your location to
find you when you make an emergency call.
Procedure
Enter the emergency number and lift the handset.
Caller ID
Outbound Caller ID
The caller ID number sent with outbound calls is set on each user. Users can send out the main company
number, a specific user-assigned number, or not send out any caller ID.
Note: Calls to 911 ignore the caller ID settings of the user and send the 911 callback number set on the device.
Internal Caller ID
When calling another user on your PBX, the user’s extension with their name is the caller ID.
Caller ID Block per Call
Prevents your caller ID (name and number), from being displayed to the next person you call.
Procedure
Step 1 Lift the receiver.
Step 2 Dial *67.
Step 3 Wait for a second dial tone.
Step 4 Dial the number of the party you’re trying to reach.
Your caller ID will not be displayed to the party you called.
Your caller ID will be displayed on future calls.
Unblock Caller ID per Call
To allow your caller ID to be sent to the person you dial:
Procedure
Step 1 Lift the receiver.
Step 2 Dial *65.
Step 3 Wait for a second dial tone.
Step 4 Dial the number of the party you’re trying to reach.
Your caller ID will be displayed to the party you called.
Your caller ID will not be displayed on future calls.
Speed Dial
Speed Dial allows you to press a button, enter a preset code, or select a phone screen item to place a call. You
can configure the speed dial from the phone screen and also from the phone web page. You can edit, delete, and
validate a speed-dial code.

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Cisco 6851 Series Specifications

General IconGeneral
Full-duplex speakerphoneYes
Wall-mountableYes
BluetoothNo
Wi-FiNo
Ethernet PortsDual Gigabit Ethernet ports 10/100/1000
PoEYes (802.3af)
Programmable Line Keys4
Network ProtocolsSIP, VLAN, DHCP
Security802.1X authentication, secure boot
Operating Temperature32°F to 104°F (0°C to 40°C)
Lines4
Audio CodecsG.711, G.722, G.729, iLBC

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