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titleValid for N610 / N670 / N870 / N870E. Software 2.52 or higher is needed.

Here we describe how to configure the Gigaset N610/N670/N870/N870E to integrate with Microsoft Teams.

We assume that it is installed by an qualified technician who have the knowledge about the Gigaset DECT system and Microsoft Teams.

  1. Supported features
  2. Gigaset prerequisites
  3. Microsoft prerequisites
  4. Documentation
  5. Gigaset DECT system, how to configure
  6. Softkey for Sign-in/out
  7. Handset Sign In
  8. Handset Sign Out
  9. Increase audio quality (G.722)
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1. Supported features

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Make and receive basic calls

Users can make/receive calls:

  • PSTN (if available on the Teams platform)
  • Teams or Skype for Business users who have SIP devices
  • Teams and Skype for Business client applications (answer calls only)

The DECT systems acts as a Teams endpoint. Inbound calls will also be forked to the user’s SIP device

Multiple simultaneous calls

A user in a call can put the call on hold to make or receive other calls. A user can also conference two calls

Do Not Disturb (DND)

A user can set do not disturb on the device so that the device will not ring for incoming calls. This has no impact on the user’s status on all other Teams endpoints

Hold/Resume and Mute/Unmute

A user can hold and resume or mute and unmute a call by using the features for those actions on the device


Users can listen to electronically stored voice messages that callers leave for them

Message waiting indicator

Users can receive notifications that alert them when they have new voicemail messages

and sign-out

Users can sign in and sign out of Teams

  • Local sign-in /out on the DECT handset via an configured softkey
  • Remote sign-in /out by the Teams administrator


Users can press number keys to provide input during interactive voice response calls

Teams meetings

A user can join a Teams meeting by dialing the meeting access number

Call transfers

Users can transfer calls. SIP Gateway supports both blind and consultative transfers

Call forwarding


Simultaneous ring

A user can set forwarding rules (always, on timeout, and busy) for the device, this can be done on the:

  • DECT system
  • Teams platform
    • Dial *32* to disable all Call forwarding's
    • Dial *33*<phone-number> to forward all calls to this phone-number
    • Dial *34*<phone-number> to forward all calls after 10 seconds no answer to this phone-number
    • Dial *35*<phone-number> to simultaneous ring a second device after 20 seconds

Call Waiting

During an active call and another call comes in:

  • Accept the call
  • Decline the call


Display the phone number for incoming can outgoing calls

Multiple devices

The user can sign-in on more then one SIP device and Teams client applications
On the same DECT system, login on 1 DECT handset is supported. (Incoming call is only signaled to one DECT handset)

Multiple platforms:

Our DECT system can be connected to Microsoft Teams and parallelly also to other platforms


The DECT system can use an LDAP phonebook to show the names/numbers

You can also generate your own central phonebook and upload to the DECT system if there is no LDAP phonebook

Music on Hold (MOH)

A caller on hold, music is played


Locally presence status information like:

  • DND icon
  • Teams username on display after successful Microsoft Teams registration
  • Sign-in as username on display signaling the on-boarding state


SIP and SRTP is encrypted, makes eavesdropping impossible

Shared line

Forking with other Microsoft Teams supported devices and/or soft clients

Easy dialing internal numbers

Via the DECT area code solution, internal numbers can be used as the system will convert it to the full external Teams phone number


Easy installation via auto-provisioning, can be started via:

  • Microsoft Teams sending a check-sync
  • Web-interface button per Teams handset

Language support

Each handset can have it's own language. 

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2. Gigaset prerequisites

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  • An N610 with software 2.52 or higher, that supports up to 8 DECT handsets
  • An N670 with software 2.52 or higher, that supports up to 20 DECT handsets
  • An N870(E) with software 2.52 or higher, that supports up to 20.000 DECT handsets
  • An Gigaset PRO DECT handset
  • No Gigaset licenses are needed

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3. Microsoft prerequisites

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  • Microsoft SIP gateway is enabled in your tenant
  • Microsoft Teams certified phone → Gigaset N610 / N670 / N870 / N870E
  • Microsoft Teams shared device license enabled for the user (Common Area Phone license)
  • Microsoft Teams user must have a phone number (Microsoft Teams Calling Plan, Direct Routing, or Operator Connect)
  • A license for Phone System (via E5 or a standalone license)

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4. Documentation

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Gigaset N610 IP PRO

N610: Overview of the device with links to Datasheets, manuals and FAQ

Gigaset N670 IP PRO

N670: Overview of the device with links to Datasheets, manuals and FAQ

Gigaset N870 IP PRO

N870: Overview of the device with links to Datasheets, manuals and FAQ

Gigaset N870E IP PRO

N870E: Overview of the device with links to Datasheets, manuals and FAQ

Gigaset IP DECT release notes

Supported DECT handsets

Microsoft Teams compatible devices, see at the bottom of the page for the Gigaset DECT

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5. Gigaset DECT system, how to configure

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Here we describe the configuration/installation of the Gigaset DECT system to be used together with teams.

  1. Firmware upgrade: Upgrade the system to the firmware 2.52 or higher

  2. First configuration: You need a minimum configuration to start with Microsoft Teams, we have made it easy and created an provisioning file for you. 
    Download the following provisioning file that contains the settings you need:

    titleClick here to view the provisioning file
    Code Block
    <?xml version="1.0" encoding="UTF-8"?>
    <provisioning version="1.1" productID="e2">
    <!-- Gigaset DECT - Initial Configuration File -->
    <!-- Version: 30/03/2023 -->
    <!-- Provisioning URL -->
    <param name="SipProvider.1.InitHsProvURL" value=""/>
    <param name="SipProvider.2.InitHsProvURL" value=""/>
    <param name="SipProvider.3.InitHsProvURL" value=""/>
    <param name="SipProvider.4.InitHsProvURL" value=""/>
    <param name="SipProvider.2.Name" value="Microsoft Teams onboarding"/>

    Click here to download the provisioning file: MicrosoftTeams.xml

  3. Upload the provisioning file: The provisioning file can be uploaded via the web-interface.
    Open the Gigaset DECT system web-interface:

    Go to SETTINGS - System - Provisioning and configuration, click on Browse

    Select the provisioning file downloaded in step 2, click on Upload.

    Click on Start auto configuration

  4. Add an DECT handset: Go to: SETTINGS - Mobile devices - Administration

    Select as VoIP provider "Microsoft Teams onboarding"

  5. After successful registration, the handset is configured and will show on the display:

    This is an Microsoft Onboarding SIP account, that is used to sign-in the user account. It is not possible to make or receive calls with this account.

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6. Softkey for Sign-in/out

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Handsets that have completed the on-boarding, need to be able to Sign-in/out. For this, you need to assign an "Sign In" softkey.

  1. On the handset, long-press on the left or right softkey to open the Function List

  2. Go to More functions...

  3. Select Sign In
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7. Handset Sign-in

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  1. For Local Sign-in/out, the user needs to press the Soft Key "Sign In" to start the Sign In procedure.

  2. On your DECT handset you will see the Microsoft pairing URL and the Pairing code needed to login.

  3. The Sign In process is now done on a PC or device with an internet browser.

    Open the pairing URL:

    Enter the pairing code: (The code is not case sensitive)

  4. Click on Next and select your Microsoft account.

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  5. Microsoft will send an SIP Notify to you system (Onboarding account), that starts the handset provisioning. 

    It can take a few minutes before provisioning is started. If the procedure is successful, you will see your user-name in the display.

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8. Handset Sign-Out

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  1. You can Sign Out by pressing the Softkey "Sign Out"

  2. Microsoft will send an SIP Notify to you system, that starts the handset provisioning. 

    It can take a few minutes before provisioning is started. If the procedure is successful, you will see "Sign In" on the display.

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9. Increase audio quality (G.722 codec)

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By default the audio codec G.711 is used.

If required, an higher audio quality can be achieved by enabling the G.722 codec. (Enabling the G.722 codec will change the maximum of parallel calls to 5 per base)

  1. In the DECT system, go to: SETTINGS - telephony - Audio - Enable: Wideband with codec G.722

  2. Activate the G.722 codec for the Provider or PBX profiles with the name - Microsoft Teams signin (Do this for each Provider profile with this name if multiple available)