Caller-id does not work for incoming calls
Not all adapters support Danish caller-id. Cisco, Sipura and Linksys do, whereas old Grandstream and Vigor and others don't.
If you have a Cisco, Sipura or Linksys adapater where caller-id is not working, your adapter is set up incorrectly in connection with. "Caller ID method". See the setup guide for help.
Help Topic HT040055. Published 26 August 2004. Updated 25 January 2021.