please specify that contact apps do not synchronize correctly
for example the app for Google Contacts
Swisscom cannot say how another application will be linked to ours. In this case, we recommend that you contact the manufacturer of the Google Contacts app.
see the post on the German Community
Telefonnummern aus Google Contacts mit Business Comm App möglich?
Meilleures salutations de la Communauté francophone
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