Snom 870 User manual

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snom 870 manual
A. Initial operation
1. Requirements
You merely require a sound broadband connection to use this snom IP telephone with your nfon
telephone system.
The snom 870 is End of Sale since February 1, 2014.
2. Adding an extension
All telephones you receive are preconfigured and connected to the telephone system.
B. Notices
1. Encryption
You have the option of voice encrypting (SRTP) your telephone calls. You can activate this function
for your customer account via the administration portal at any time.
Activate the function on the administration portal.
Restart all telephones. Restarting may take a few minutes. During a conversation a lock icon
on the telephone display indicates encryption is activated.
⇒The active call is now encrypted.
2. ‘Hot desking”
The basic function of “Hot desking” allows cancelling the registration of existing users and
registering new users to your snom end device.This is useful when employees frequently change
their workstation but do not take along their end devices.After completing the registration process,
your configuration is automatically transferred to the new telephone.
1st step: Cancelling the registration of the current extension
Menu Telephone settings Cancel registration of an extension Confirm

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Now, the registration of the extension is cancelled and the telephone restarted. This can take some
time.
2nd step: Registering the new extension
Menu Enter extension number Confirm Enter voicemail PIN Confirm
The new extension is now registered. This can take some time.
C. Operation
1. Basic functions
1.1. Overview of keys
1.2. Keys in detail
Key Description Key Description

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Navigation Key Phone book
• Home
screen: Help /
Settings
• Lists / Key
menus: up /
down
Menu
• Home
screen: List of
incoming calls
• Text fields:
Move cursor
to the left
Call transfer
• Home
screen: List of
missed calls
• Text fields:
Move cursor
to the right
Place call on hold /
return to call
• Accepting incoming
calls
• Confirm action /
settings
Volume control:
Press to the left or
right to raise or
lower the volume.
• Home screen: Switch to
function keys
• Ending calls
• Cancel action / settings
Microphone:
• LED is
lit:Microphone is
muted
• LED is off:
Microphone on
New message LED key
• Lights up to indicate
new message
• Press key to retrieve
Hands-free mode:
• LED is lit: Hands-
free mode on
• LED is off: Hands-
free mode off
DnD key (do not disturb)
• "Do not disturb” mode
on / off.The telephone
does not ring, same as for
"call forwarding...
delayed” to the caller
Headset:
• LED lit: Headset
mode on
• LED is off:
Headset mode off
1.3. The touch screen
Idle screen (home screen)
The idle screen provides direct access to many important key functions of your snom telephone.

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Active display
The active display provides a great deal of important information during an active call. For example,
you can start a telephone conference or place the active call on hold.
1.4. Placing calls
There are various options for placing a call
With the receiver:
Pick up the receiver, enter the numbers and tap on the context area or confirm the telephone
number with .
or enter the desired telephone number and pick up the receiver.
With the headset:
Press to switch into the headset mode.

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Enter the telephone number and tap on the context area or confirm the telephone number with
.
With the speaker / microphone:
Enter the telephone number and press .
Calling a number from the call list
Tap on , or .
The telephone numbers of recent missed, incoming or outgoing calls are shown to you in the
respective list.Select the respective telephone number using .
Tap on the desired telephone number, to place the call.
Calling telephone numbers from the phone book:
Tap on to access the phone book.
Use the arrow keys to select the respective name. You can also enter the first letter (or
additional letters) to navigate through the list.
Tap on the name, to select the number.
Dialling numbers via virtual keys (function keys):
Tap on to show the “virtual keys”.
To phone John e.g., simply press the “virtual key”. You are now connected. These function keys
can be configured with nControl.
1.5. Incoming call
There are various options for answering an incoming call:
With the receiver: Pick up the receiver
With the headset: Press .
With the speaker / microphone: Press / .