In Germany, it is common for a Door Intercom for a villa to have a hardware bell pushbutton.
The E16C has a terminal for an external EXIT button.
Can this exit button be used as a bell button?
How do I configure the E16C so that when the exit button is pressed, a video sip call is initiated from the door intercom to the indoor stations without opening the door?
You can use the HTTP API to initiate a call from the E16. You'll want to enable HTTP API with authentication as none, note this puts your device in a vulnerable state if the device is connected to a public address and not behind a firewall.
In the E16 go to Action URL and Enable Action URL, now in the Input Triggered action put the following URL, replacing the IP Address with the E16 IP Address, along with adding your own number/extention.
http://192.168.100.123/api/call/dial?Phone=1000
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