European SMS Alerts: Reliability, Delivery Reports, Retries, and Template Ownership
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Choose the provider with the strongest delivery evidence in the countries you serve, then keep template ownership, retry policy, and delivery-state interpretation in your application. For a generated report, the useful design is an email attachment for the durable artifact and a short SMS alert for the action, with delivery reports treated as evidence rather than proof that an API request was accepted. Short answer: Sinch and Nexmo (Vonage) are the stronger starting points when European deliver