Presence Service

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EnGenius Cloud Technology

EnGenius Cloud Services DataCenters

Security Access Points

AirGuard

Authentication with Google Secure LDAP Server

Authentication with Microsoft Active Directory (AD) Server for Wireless Users

Presence Service

For applications like CRM tools, presence analytics, or location-aware services which need to continuously gather presence data of wireless clients, EnGenius Cloud Acess Points are capable of delivering realtime presence data to fulfill the requirement.
EnGenius Presence Service can have cloud managed APs continuously gathering 802.11 probe request frames sent by wireless clients and then sending the data to 3rd party servers configured in EnGenius Cloud.
Configuration
In EnGeniusCloud, the configuration of presence service is at 
General Settings > AP > Advanced Settings
Following parameters can be configured in the page:
Parameters
Description
Server Location
3rd party server address
Key
Secret used to generate a SHA256 HMAC signature, over the payload (the JSON message). The signature is then added to a custom HTTP header (“Signature”) in the POST message.
Interval
Interval between two consecutive message been sent. 
 Data Format
The data sent by EnGenius Presence Services is basically in JSON format with following objects:
Object
Description
mac
MAC address of the end client device for which presence data is being reported.
node_mac
MAC address of the Access Point reporting the presence data.
min_signal
Lowest RSSI reading on the access point for the specific client within the time period specified by the First seen and Last seen timestamps.
max_signal
Highest RSSI reading on the AP for the specific client within the time period specified by the First seen and Last seen timestamps.
count
Number of times the specific end client device connected to the access point within the time period specified by the First seen and Last seen timestamps.
avg_signal
Average RSSI reading on the AP for the specific client within the time period specified by the First seen and Last seen timestamps.
first_seen
Timestamp of when the client was first seen, during the reporting period; timezone is UTC.
last_seen
Timestamp of when the client was last seen, during the reporting period; timezone is UTC.
last_seen_signal
Reported RSSI reading on the access point for when this client was last seen.
associated
Displays the association status between the client and the access point.
The server receives the data via an HTTP POST message. Access points and EnGenius Cloud services DO NOT keep any of presence data. Accordingly, if the server specified in the configuration is down or otherwise unreachable, the HTTP POST will fail, making the data inaccessible. EnGenius Cloud will not provide any notification of such failure.
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Outline

Configuration

Data Format