Sistema Citófono IP + GSM Integrado

Budget: $30 - $250 USD, Jobs: Documentation, Electronic Design, Microcontroller Programm
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Documentation, Electronic Design, Microcontroller Programming (STM32 / ESP32), Network Security, PCB Layout, Project Management, SIP, Technical Support, Telecommunications Engineering, VoIP

Quiero implementar en mi edificio un citófono de conserjería que combine, en un único sistema, las llamadas IP internas con la opción de salir por GSM hacia teléfonos móviles. La solución debe cubrir las... (Budget: $30 - $250 USD, Jobs: Documentation, Electronic Design, Microcontroller Programming (STM32 / ESP32), Network Security, PCB Layout, Project Management, SIP, Technical Support, Telecommunications Engineering, VoIP)

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