Is two-way SMS supported in Denmark?

Yes, Sent supports two-way SMS in Denmark.

What happens if I send an SMS to a landline number in Denmark?

You cannot send SMS to a landline destination number. Sent@apos;s REST API will return a 400 error with code 21614, and the message will not be logged or charged.

What is two-way SMS support in Denmark?

Two-way SMS support in Denmark allows users to both send and receive messages, enabling interactive communication for businesses.

Can I keep my phone number if I switch mobile providers in Denmark?

Yes, Denmark supports number portability, allowing users to retain their phone numbers when switching between mobile service providers.

How are long SMS messages handled in Denmark?

Denmark supports concatenated messages, which split long SMS messages into smaller segments and reassemble them on the recipient’s device.

What happens to MMS messages sent in Denmark?

In Denmark, MMS messages are converted to SMS with an embedded URL, allowing users to access multimedia content via a clickable link.

Can I send SMS messages to landline numbers in Denmark?

No, sending SMS messages to landline numbers in Denmark is not supported, and attempts will result in a 400 error with code 21614.

What are the compliance considerations for sending SMS in Denmark?

Compliance considerations include avoiding URLs in SMS content, registering SMS content with Sent customer services, and using appropriate Sender IDs.

What is the best practice for obtaining user consent for SMS in Denmark?

The best practice is to obtain explicit opt-in consent from users before sending them any communication, especially for marketing messages.

When should I send SMS messages to users in Denmark?

Messages should be sent during the user's local daytime hours unless they are urgent.

How should SMS campaigns handle HELP/STOP messages in Denmark?

SMS campaigns should allow users to send HELP or STOP messages in their local language to manage their preferences.

Are there restrictions on sending SMS to do-not-call lists in Denmark?

Yes, you should avoid sending messages to users who are on do-not-call or do-not-disturb registries.

What is an International Long Code Sender ID?

An International Long Code Sender ID is a type of sender identification used to avoid SMS message filtering in Denmark.

Why might a Domestic Long Code Sender ID cause message filtering in Denmark?

Using a Domestic Long Code Sender ID may result in message filtering due to local regulations and operator restrictions.

What is the Danish Business Authority?

The Danish Business Authority is an organization where you can find detailed information on SMS regulations in Denmark.

What is the character limit for a single SMS message in Denmark?

The character limit for a single SMS message is typically 160 characters, after which messages are concatenated.

How can businesses engage customers using SMS in Denmark?

Businesses can engage customers using two-way SMS for interactive communication, such as customer support and marketing campaigns.

Is SMS delivery to M2M numbers guaranteed in Denmark?

No, SMS delivery to M2M numbers is provided on a best-effort basis, meaning delivery is not guaranteed.

What should businesses avoid including in SMS messages to Denmark?

Businesses should avoid including web addresses (URLs) and prohibited content like gambling in their SMS messages.

Can multimedia content be sent directly via SMS in Denmark?

No, multimedia content is sent as an SMS with an embedded URL, allowing users to access the content through a link.

Denmark SMS Guidelines: Best Practices, Compliance, and Messaging Rules

Q: Can I send SMS messages containing URLs in Denmark?

Yes, but you must register your SMS content with Sent customer services and use an International Long Code Sender ID or an Alphanumeric Sender ID to avoid filtering.

Q: Is gambling content allowed in SMS messages sent in Denmark?

No, gambling and lottery-related content is strictly prohibited by mobile operators in Denmark.

When sending SMS messages to Denmark, adhering to local guidelines is crucial for ensuring message delivery and compliance with regulations. This article outlines the key SMS guidelines, including two-way SMS support, message handling, and compliance considerations for Denmark.

Two-Way SMS Support

Denmark supports two-way SMS messaging, allowing users to both send and receive messages. This feature is vital for businesses aiming to engage in interactive communication with their customers, such as customer support or marketing campaigns.

Number Portability

Number portability is available in Denmark, enabling users to retain their phone numbers when switching between mobile service providers. This ensures consistent communication with customers, regardless of their mobile carrier.

Concatenated Message Support

Denmark supports concatenated messages. If your SMS exceeds the character limit for a single message, it will be split into smaller segments and reassembled on the recipient’s device, ensuring seamless delivery of longer messages.

MMS Support

In Denmark, MMS messages, which typically include multimedia content like images and videos, are converted to SMS with an embedded URL. This allows users to receive multimedia content via a clickable link, maintaining compatibility with the SMS format.

Sending SMS to Landline Numbers

Sending SMS messages to landline numbers in Denmark is not supported. If attempted, the Sent REST API will return a 400 error with code 21614, and the message will not be logged or charged.

Compliance Considerations

Compliance with local regulations is essential when sending SMS messages in Denmark. Mobile operators actively block and filter SMS content containing web addresses (URLs). To avoid filtering, register your SMS content with Sent customer services and use an International Long Code Sender ID or an Alphanumeric Sender ID. Using a Domestic Long Code Sender ID may result in message filtering.

Additionally, gambling and lottery-related content is strictly prohibited by mobile operators in Denmark. Message delivery to M2M (machine-to-machine) numbers is provided on a best-effort basis only, meaning delivery is not guaranteed.

Best Practices for SMS Messaging in Denmark

To ensure compliance and maximize the effectiveness of your SMS campaigns in Denmark, follow these best practices:

Obtain Opt-In Consent: Always get explicit opt-in consent from users before sending them any communication, especially for marketing or non-essential messages.
Respect Time Zones: Only send messages during the user’s local daytime hours unless the message is urgent.
Support HELP/STOP Messages: Your SMS campaigns should allow users to send HELP or STOP messages in their local language to manage their preferences.
Avoid Do-Not-Call Lists: Do not send messages to users who are on do-not-call or do-not-disturb registries.

By following these guidelines, you can ensure that your SMS campaigns in Denmark are compliant, effective, and respectful of users' preferences.

For more detailed information on SMS regulations, you can visit the Danish Business Authority website.