E18 Door Phone Administrator Guide
transmission type of the third party device to be matched with as the
party for receiving signal data.
How to Notify DTMF:select among four types: “Disable” “ DTMF”
“DTMF-Relay” “Telephone-Event” according to the specific type adopted
by the third party device. You are required to set it up only when the third
party device to be matched with adopts “Info” mode.
Payload: set the payload according the the specific data transmission
payload agreed on between the sender and receiver during the data
transmission.