Telycam TLC-700-IP-35-4K, User Manual

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Controlled reply
The following data is saved in return command payload of control command.
Delivery confirmation
VISCA over IP uses UDP as transmission communication protocol, UDP communication message transmission is not stable, it is
necessary to confirm delivery and resent in application.
Generally, when controller sends a command to peripheral equipment, controller will wait for the return message then send
the next command, we can detect and confirm if the peripheral equipment receive the commands from return message’s lag time.
If controller shows it is overtime, it is regarded as error transmission.
If controller shows it is overtime, resend the commands to check peripheral’s status, resent command sequence number is
same as last command, the following chart list the received message and status after resending the commands.