or Explain the standard designed by ITU to allow telephones on public telephone network to talk to computers connected to the internet.

H.323:

H.323 is a standard designed by ITU to allow telephones on the public telephone network to talk to computers (called terminals in H.323) connected to the Internet.

Figure.6 shows the general architecture of H.323.

![enter image description here][4]

Fig6: H.323 architecture

A gateway connects the Internet to the telephone …