GSM, VoLTE & VoIP GATEWAY

• GSM EVA 4V - Compliant with EN 81-28:2022
• Universal multi-protocol gateway
• GSM (DTMF protocol)
• IP / VoLTE (EVA protocol)
• VoIP (SIP protocol)
• 1 cyclic test call number
• 1 technical call number (battery fault or mains power failure)
• Secure transmission of the equipment data protocol for voice and technical calls
• GSM EVA 4V - Transparent operation with any remote alarm available on the market
• Remote software updates
• 3FF micro SIM format