SMSEagle is a professional hardware SMS gateway for sending and receiving SMS messages in an automated manner. The device is designed with focus on reliability and stability. It has a Linux on-board, modern responsive web-interface, database backend, and built-in 4G modem with watchdog mechanism. The device can be configured for failover (HA cluster). Thanks to a built-in 4G modem, SMS messages are sent/received directly to/from UMTS/LTE network without using any external 3rd party solution. Sending & Receiving SMS (managing messages with Inbox, Outbox, Sent Items) | Sending to single users or groups of users| Sending SMS at specified date and time (SMS scheduling)| Smartphone-like conversation mode (messages are nicely grouped by phone number). You can easily track history of what you send and receive to each user| Message templates| Contactbook (single users, groups)| Import of contacts from CSV file| Monitoring services (eg Web server, Mail server) and SMS alerting| Auto-reply to incoming SMS| Email to SMS forwarding| SMS to Email forwarding| Forward incoming SMS to remote script (callback URL)| Multiuser support (each user has access to a private Inbox, Outbox, Sent Items)| Unicode support (support of national characters)| Multipart SMS message support| HTTP API for sending SMS from external applications & systems| Multilanguage (English, German, Polish) web-interface| NTP client installed| SNMP agent installed| Built-in Apache2 web server| Built-in PostgreSQL database server| Built-in Postfix email server| Modern responsive interface| HTTPS support| Support for delivery reports| Watchdog mechanisms for 4G modem (automatic modem health control)| Failover support (HA cluster of 2 devices possible)