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Caller ID in Microsoft Teams

automatically and in real time

There is a name behind every number. Contacts by XPhone shows you this GDPR-compliant name directly in the Microsoft Teams call.


With Contacts by XPhone, you can see all the important caller data for incoming calls. And directly in the Microsoft Teams call window. The app checks every phone number live against your connected data sources. So you are optimally prepared for every call. Without media disruption, without additional tools.

How caller identification works with Contacts by XPhone

  • The call arrives in Microsoft Teams, internally or externally
  • Contacts by XPhone compares the phone number with all connected systems
  • If a contact is found, the name appears in the Teams pop-up
  • The display also works in the Teams caller list and in the conversation view
  • The comparison takes place in real time via the powerful phone number index

Supported data sources for call number resolution

  • Microsoft Outlook (private, public, shared)
  • Microsoft 365 contacts
  • Active Directory / LDAP
  • CRM systems such as Salesforce, Microsoft Dynamics, CAS
  • ERP systems such as SAP, Business Central
  • Public directories (e.g. Telefonbuch Deutschland, ETV Inside)
  • Other sources and industry solutions on request

Advantages of automatic caller ID

  • Immediate identification of all known callers
  • Better prepared for customer, partner or supplier calls
  • No more "unknown number"
  • High benefit for central hotlines, sales and support
  • Reduces misunderstandings and saves time when starting a call

Technical requirements

  • Microsoft Teams with Contacts by XPhone app installed
  • Session Border Controller with LDAP access (e.g. anynode, AudioCodes)
  • Access to the XPhone Virtual Directory
  • No data import necessary: Direct access to your data sources
  • GDPR-compliant: no contact storage on end devices

Frequently asked questions about caller ID in Microsoft Teams

Yes, as soon as the number is found in one of your data sources, the name will automatically appear in the Teams pop-up and in the caller list.

Yes. Internal extensions can be resolved via Active Directory or other connected sources.

No. Contacts by XPhone works with live access to your systems. No data is stored in Teams.

It is necessary in order to be able to technically transmit the phone number to Contacts by XPhone when calling. For example, anynode or AudioCodes are supported.

Yes. All data remains on the company side. The app works with role-based access and does not store any contact data locally.

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Test for 30 days

What are you waiting for? Start the turbo for Microsoft Teams!

Simply request your personal test account and try out Contacts to your heart's content for 30 days.

Completely free of charge and guaranteed without obligation.