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To anticipate this, a FritzBox can easily act as a SIP registrar and thus integrate VoIP telephones in the same way as ISDN or analog telephones, in the past. Unfortunately, the FritzBox's range of functions is not comparable to that of a professional telephone system (PBX).
This article is based on a test on a FritzBox 7590 with Fritz OS version 7.20. It was tested on a Telekom All-IP connection.
If you want to connect a new Fritzbox to a Snom phone and need help setting up the Internet access, you can find a small guide in this article.
The configuration of a Snom device on the FritzBox is relatively simple. First you have to create a new telephony device in the FritzBox - type is IP phone.
The user name and password are important here.
You should only allow registration from the Internet if you really need it. This is not necessary for an IP phone behind the Fritz Box and should therefore remain deactivated for security reasons.
You should only allow registration from the Internet if you really need it. This is not necessary for an IP phone behind the Fritz Box and should therefore remain deactivated for security reasons.
With the setup of the Fritzbox most of the setup is done. Now you only have to set up the DECT base.
Please check in advance that your phone has the latest stable firmware version installed.
Since automatic provisioning is not supported by the Fritzbox, the Snom DECT base must be set up via your web user interface (WUI). To access the base, enter the IP address of your phone in your Internet browser (e.g. http://192.168.1.100). How to find out the IP address of your base is described in the following article: Entering Web Interface - WUI of your Snom DECT-M-SC Series Base
First you should pair the handsets with the base as described in the M215 - SC description. How this works can be found here in the manual on page 25.
In order to better distinguish the handsets from each other, it is possible to change the name. This name will be shown on the display of the handset.
To do so, navigate in the web interface of the M215-SC to the menu item "System" and then to "Handset Name".
Unlike the DECT M series devices, the account information of the M-SC series devices is not divided into server and SIP extension. For the M-SC bases, a separate account is created for each phone number. Which handset responds to which number can be read in the next section. Of course the number assignment also depends on the number you have assigned to the account in the Fritzbox.
To configure the M215-SC to connect to the Fritzbox, please follow the steps below:
In the web interface of the M215_SC you can also set which handset should respond to which number. To do this, navigate to the menu item "System" and then to "Account Assignments".
The configuration of a M15-SC on the FritzBox is also very easy. In our example we assume that you have just unpacked the FritzBox and no DECT device has ever been connected. Since there are differences in the Fritz OS version, I will also briefly explain this. This guide was created with Fritz OS 7.20. If you don't find certain functions in an older version, please ignore it.
Navigate in Fritz OS version 7.1.2 to the menu item "DECT/ Base station".
In Fritz OS version 7.2 you will find the menu item "DECT" below "Telephony". Here you can activate the DECT function of your Fritzbox.
Before you do this, please scroll down a bit to the "Security" item and change the value there to "Allow non-encrypted DECT connections".
Now activate the DECT base by checking the box "DECT base station active" at the top of the page under "Activate DECT base station". And clicking on "Accept" at the bottom right.
The Fritzbox will tell you that no DECT handsets are connected and will ask you to add a device. So click on the message and the following window "Register cordless phone (DECT)".
If everything worked fine the following display appears on the Fritzbox page and the handset answers with a confirmation tone and the word "Registered" appears on the display.
If the prompt to enter a code appears instead, the registration has failed. Just press the green accept key and put the handset back into pairing mode with "NEXT" and the hash key for a new attempt.
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