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 Support of different message types (normal SMS/multipart SMS/flash SMS/binary SMS/USSD-code/WAP Push link) Message templates Phonebook (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 Periodic SMS to send SMS messages at a desired time interval Shift management to assign Phonebook contacts to working shifts Forward incoming SMS to remote script (callback URL) Digital input and output controlled via SMS Temperature & humidity SMS alerts Multiuser support (each user has access to a private Inbox, Outbox, Sent Items) Unicode support (support of national characters) Multipart SMS message support 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 3G modem (automatic modem health control) Modem failover mechanism