Skip to content

Denmark voice guidelines

Voice calling guidelines for Denmark (DK), covering reachability, caller ID formats, DTMF support, and emergency services.

Locale overview

FieldValue
CountryDenmark
ISO codeDK
RegionEurope
Dialing code+45

Reachability

All major call types are supported for Denmark.

Call typeInboundOutbound
DomesticSupportedSupported
InternationalSupportedSupported
Toll-freeSupportedSupported

Caller ID

Caller ID format varies by call type and direction.

Call typeDirectionFormat
DomesticInboundE.164
DomesticOutboundLocal (non-guaranteed)
InternationalInboundE.164 (non-guaranteed)
InternationalOutboundE.164
Toll-freeInboundE.164
Toll-freeOutboundLocal (non-guaranteed)

DTMF support

DTMF tones use RFC 2833 format and are supported for both inbound and outbound calls.

Emergency services

Placing calls to emergency services is not supported. Do not use voice calling to contact emergency services in Denmark.

Compliance note

These guidelines summarize carrier requirements at the time of publication and do not constitute legal counsel. Verify that your implementation complies with all applicable telecommunications regulations in Denmark.