Receive video call from VTO1220 or VTO6210

Jun 23, 2021
2
0
Egypt
Hello,

Could you please help me ? How to communicate with "VTO1220A and VTO6210"?

I will use them with raspberry pi and flutter (android) application.
for VTO6210 I need to receive a door bill ring, answer it, talk a video call
for VTO1220 I need to receive a call by room number, answer it, talk a video call

Thanks