APP Operating Instruction(video demo)
What it can do:
Answer call from outdoor station by mobile phone, talk and unlock;
Monitor door station and IP camera
Operate electric locks
Applicable Premise:
The system has been connected to the external Internet and the SIP account has been registered successfully:
User monitor or guard unit in call divert mode
Virtual users registered in door statioin
APP download: Search '‘VDP Connect’' in Googleplay market or IOS store
Smartphone operating system: Android 9 or above, IOS 13 or above
Video introduction of APP operation(with IP monitor)
Get more useful link