The 3CX phone system is a fully tested and certified by Snom, providing a simple and secure phone deployment and centralised endpoint management. Its supports all standard telephony features, such as call transfer, central directory, and CTI functionalities with the 3CX web phone client.
The objective of this article is to provide an easy step-by-step guide to get your Snom phone configured and ready to use on the 3CX phone system.
Please make sure your phone is set up correctly.
Please check in advance that your phone has the latest stable firmware version installed.
If the phone has been in use before, please reset the phone to factory settings so that changes already made may not impair correct functionality.
Check whether the phone to be configured is running the minimum firmware version required by the 3CX Phone System. If the device needs to be updated manually, you can find the download links to the latest firmware certified by 3CX for the different models here: https://www.3cx.com/support/phone-firmwares/
There are several ways to provision a Snom phone for automatic configuration with settings required for 3CX Phone System:
Plug-and-play - on LAN phones or behind a 3CX SBC (Session Border Controller)
Via Snom’s Secure Redirection Service (SRAPS) - for telephones in external networks that establish a direct connection to the 3CX PBX via STUN
Connect the IP phone to your network. An automatic PnP request is sent to the 3CX PBX.
From the 3CX Management Console, go to the "Phones" page. The new phone is highlighted in bold.
Click on the corresponding entry and select "Edit Ext." or "Add Ext." if you want to assign the station to an existing extension or create a new extension.
The phone will boot up with the assigned extension registered to the phone.
You can make sure that the extension is ready to be configured via RPS by checking the “Event Log” from the dashboard:
If the message appears as a “Warning” follow the instructions outlined in the message and use the Manual Link Provisioning method outlined. https://www.3cx.com/sip-phones/manually-provision-snom-300-320-360-370/
The phone is now ready to be provisioned - you can boot up the phone anywhere in the world with access to the internet. The phone will prompt for username and a password: Enter the extension number as username and the voicemail pin as the password.
Starting from v15.5 SP1 the provisioning of BLFs for IP phones has been extended to configure Line keys as well as BLFs. From the management console, going through an extension’s properties → BLF tab, one can set BLFs of various types which are then provisioned.
First select " Extensions " in the menu on the left:
Then select the desired extension from the list and double-click. Now simply select the tab "BLF" to start it.
Afterwards click " OK " to save.
The Line key button is self-explanatory and allows to create a new call/line from the phone. It also blinks on inbound calls. There used to be two line key buttons enforced by the provisioning template for all supported phones. Now it is no longer mandatory, you can have none or as many as you wish. Note that when the 3CX Client is used in CTI mode (legacy CTI), BLFs set as Line keys are mandatory on position 1 and 2! If you are using the Web client they may be placed anywhere or omitted. Snom Note: It is advised to have at least 2 BLF keys set as Line keys to make attendant transfers easy for the device user.
The Busy Lamp Field (BLF) has three functions: when pressed it dials someone’s extension and can also be used to ease transfers, color and flashing status changes according to the supervised extension (idle, ringing or busy) thus providing call information, and when the extension is ringing you can pickup the call. To be able to pick up someone’s call see Managing Call Pick-Up Permissions for more information.
Speed dials are used to dial extension numbers only, no presence information will be displayed on the light indicator.
Custom Speed dials are used to dial any external number or dial code. When adding a Custom Speed Dial, the user must specify the number, and a First Name and Last Name that will be used in the label is displayed on screens. No light indicator will be used.
Profile Status BLFs allows to change the extension’s status to the one specified: Available, Away, Do Not Disturb, Lunch, or Business Trip. No light indicator will be used.
The Queue Status BLF allows to change the extension’s global queue Logged In status to the one specified, either Logged In or Logged Out. No light indicator will be used
The Shared Parking BLF allows to park a call to the shared park slot specified, or to unpark a call from this slot. Light indicator is used to represent call parked.
Your Snom phone is now registered to the 3CX phone system and the function keys set up.