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Regulatory requirements for Alphanumeric Sender IDs (ASIDs) vary by country. In the countries listed below, you must complete registration and submit supporting documentation before using an ASID for messaging. If you use an unregistered ASID in these countries, messages may be blocked or fail to deliver.
Review each country’s requirements to identify any mandatory ASID registrations. After you prepare the required materials, email genesyscloudsms@genesys.comto start the ASID registration process. If you have questions, contact the same email address.
For more information about provisioning ASID and enabling it use post completing registration, see Alphanumeric sender IDs overview.
From June 30, 2026, all ASIDs to Australian numbers must be registered and approved by the ACMA to combat fraud. Unregistered ASIDs are labeled as Unverified or Blocked starting July 1, 2026.
To begin the registration process, create an account in the ACMA portal. Your organization's account details should match the details as listed in the Australian Business Register (ABR). For more information about the steps to set up your account, see ACMA registration assist.
After creating the account, email the details the below table to genesyscloudsms@genesys.com. Genesys will forward this information to our aggregator for processing.
| Information Required | Required Documentation |
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*Ensure that your authorized representation details are accurate and up to date, as they will be used for all registration updates.
After Genesys submits the registration, the ACMA emails the authorized representative to verify the registration and confirm their identity. You must complete this step before the ASID can be fully registered and enabled for use. Follow the instructions you receive in the email to complete the verification process. For more information, see Use the ACMA register for the first time.
Once you complete verification, Genesys receives confirmation of the successful registration and notifies you by email when you can provision the ASID in SMS Inventory and begin using it.
To comply with Austrian regulations established by the RTR (The Austrian Regulatory Authority for Broadcasting and Telecommunications), all ASIDs used to send SMS messages to recipients in Austria must be registered by October 1, 2026. After this date, messages sent using an unregistered ASID may not be delivered.
| Information Required | Required Documentation |
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| N/A |
Finland has introduced mandatory registration requirements for alphanumeric sender IDs, effective April 10, 2026, where all sender IDs must be registered with the Finnish regulator (Traficom) before use. By May 4, 2026, any sender that that is not registered will be replaced with sender ID Tuntematon (which means unknown in Finnish). For more information, see SMS Sender ID regulations.
To access the ASID application, logon to the Traficom Portal. Update the required business, ASID, and contact information details.
Review the information you entered and submit the request. After Traficom processes your application, it notifies the designated contact of the outcome.
Once Traficom approves the ASID, it issues an SMS number that begins with 19 for traffic control and identification in the operator API. This number is not visible to end users and must not be disclosed publicly.
After Traficom successfully registers your ASID, email the information in the table below to genesyscloudsms@genesys.com.
Genesys forwards this information to our aggregator for processing. Once the registration is approved, we notify you by email so you can provision the ASID in SMS Inventory and begin using it.
| Information Required | Required Documentation |
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| N/A |
In France, certain ASIDs are classified as ISA, interdit sauf autorisation (meaning, prohibited until authorized) by mobile operators and regulatory bodies. ASIDs falling under this classification require prior authorization and must be registered before they can be used for SMS messaging. For more information, see France protected ASID list.
If an ASID appears as an ISA on the protected ASID list, it cannot be used until it has been registered and approved. ASIDs that are not classified as ISA do not require pre-registration and can be provisioned and enabled for use immediately.
| Information Required | Required Documentation |
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*In France, ASIDs are intended for transactional messaging only. Use cases that are not strictly transactional may result in message blocking.
**The Letter of Authorization (LOA) will be provided to the customer by the SMS team via email upon receipt of the initial ASID request. This LOA authorizes Genesys to carry the SMS traffic. This document must be completed and returned by the customer.
***Each protected ASID is subject to individual review. Upon receipt of the required information, Genesys will work with our SMS aggregator to review the request. Additional information/documentation may be requested from the customer depending on the specific ASID and use case, and Genesys will provide guidance as needed.
To comply with regulations from ComReg (Irish communications regulator), all businesses sending SMS messages to Ireland using alphanumeric sender IDs must be registered in the ComReg Sender ID Registry. As of July 3, 2025, unregistered sender IDs are being replaced with Likely Scam.
For more information on the registration process, see Sender ID Registry Public Guide.
| Information Required | Required Documentation |
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| N/A |
Italy requires all ASIDs to be registered with the national regulator (AGCOM) before they can be used for SMS messaging. This is a mandatory requirement, meaning unregistered ASIDs will be blocked or not delivered.
| Information Required | Required Documentation |
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*If the company is based in Italy, provide the company’s official PEC (certified) email address. If the company is based outside Italy, provide the company’s official contact email address.
**If the company is based outside Italy, provide the company’s VAT number.
***The SMS team sends the Letter of Authorization (LOA) to the customer by email after receiving the initial ASID request. The LOA authorizes Genesys to register the Italy ASID on the customer’s behalf. The customer must complete and return the signed LOA.
To send SMS messages using ASIDs in Singapore, all organizations must first register directly with the Singapore SMS Sender ID Registry (SSIR). Unregistered ASIDs are replaced with Likely Scam. For more information about the requirements, see SMS Registry.
For more information about the registration process, see SSIR portal user guide.
After SSIR successfully registers your ASID, email the information in the table below to genesyscloudsms@genesys.com. After we receive your email, Genesys will:
Once the aggregator approves the registration, we will notify you by email. You can then provision the ASID in SMS Inventory and begin using it.
| Information Required | Required Documentation |
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| Information Required | Required Documentation |
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| N/A |
| Information Required | Required Documentation |
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To comply with regulations from the Spanish regulator (CNMC), businesses that send messages to Spain using alphanumeric sender IDs (ASIDs) must register their ASIDs in the National Alias Registry. Effective June 6, 2026, operators block messages sent with unregistered ASIDs. To ensure message delivery, register your ASIDs before sending messages to Spain.
To access the CNMC Portal, use a valid digital certificate. Most European certificates are accepted by the Spanish government, while certificates issued outside the EU have lower chances of being accepted.
To check if your digital certificate is accepted, perform the following steps:
After your ASID is approved by the CNMC, send an email with the information in the table below to genesyscloudsms@genesys.com.
Genesys forwards this information to our aggregator for processing. After the aggregator approves the registration, we notify you by email. You can then provision the ASID in the SMS inventory and enable it for use.
| Information Required | Required Documentation |
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| N/A |
In the United Kingdom, certain ASIDs are designated as protected by mobile network operators (MEF, BT/EE). Messages sent using these protected ASIDs required additional registration and must be added to an allow list to ensure successful delivery. For more information, see United Kingdom protected alphanumeric sender IDs.
If an ASID appears on the protected ASID list, it cannot be used until it has been registered and approved. Non-protected ASIDs may also be added to the allow list, however, registration is not required for their use. These ASIDs can be provisioned and enabled without undergoing the registration process.
| Information Required | Required Documentation |
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*When a customer includes URLs or phone numbers in message content, these must be shared with Genesys Cloud so we can work with our aggregators to obtain approval.
** The Letter of Authorization (LOA) will be provided to the customer by the SMS team via email upon receipt of the initial ASID request. This LOA authorizes Genesys to carry the SMS traffic. This document must be completed and returned by the customer.
***Please note: Each protected ASID is subject to individual review. Upon receipt of the required information, Genesys will work with our SMS aggregator to review the request. Additional information/documentation may be requested from the customer depending on the specific ASID and use case, and Genesys will provide guidance as needed.
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