How to broadcast from an IP camera over the Internet?

Question

Computer networks

Task: to make a broadcast from the ip camera to the Internet ...
Problems:
1. the provider has a gray IP.
2. between the provider and the camera 2 of the router.
3. The broadcast must be watched from a coma connected to another provider.
4. The camera is connected to a direct router.
here is an approximate connection diagram:

there can be no question of acquiring a white ip.

Answer 1

ru.ivideon.com - Tariff plan "Free"
Connection of inexpensive PTZ cameras
In short, their server program is installed and it initializes the connection with ivideon and gives it a stream. You go to ivideon from another computer and watch.