CallGate

The SMS Gateway provides a secure, open-source platform for sending and receiving SMS messages through Android devices, supporting applications such as two-factor authentication, transaction alerts, reminders, and IoT device communication. Its main features include privacy-focused operation without registration or data storage outside user infrastructure, multiple operation modes (local, cloud, or private deployment), integration via RESTful APIs and client libraries, support for multiple SIM cards and binary data SMS, real-time delivery status tracking, and MMS notification capabilities. It addresses challenges related to secure messaging, data sovereignty, ease of integration, and reliable delivery for developers, IoT specialists, financial services, healthcare providers, and organizations requiring secure and flexible SMS communication solutions.

CallGate 可以在以下位置找到： SMS & Text Messaging API 类别。