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Communication Flow
The purpose of this section is to illustrate the steps the Desk Sign utilizes to boot up and display the availability of a workspace.
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Description
1
The Desk Sign is powered on for the first time.
2
The Desk Sign will automatically connect to the Embrava Cloud requesting its home Function App and IoT Hub using a REST API at https://deskmanagement.azurewebsites.net/ on port 443 (TCP).
3
The Desk Sign then pulls down its configuration from its home Function App using a REST API at https://eusfuncapp01.azurewebsites.net/ on port 443 (TCP).
4
The Desk Sign then determines its current time using public time server northamerica.pool.ntp.org on port 123 (UDP).
5
The Desk Sign then attempts registration with the IoT Hub endpoint received from the Embrava Cloud in Step 2. This is done using a REST API at https://eushub01.azure-devices.net on port 443 (TCP).
6
Once the Desk Sign receives its configuration, it begins to synchronize bookings with its configured desk by communicating with the IoT Hub at eushub01.azure-devices.net using the MQTT protocol on port 8883 (TCP).
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