How to make an internal connection between two IP phones?

Question

Asterisk

The task is to make the connection "Chief - Secretary" , there is money for two IP phones. Can this be implemented and if yes, how?

Answer 1

Everything is possible with Asterisk.
By phone - yealink, for example, have the functionality to call the ip of another phone. You can do without a server. Well, funny things, like the fact that the leader presses the button, says, and the secretary hears through the speakerphone :)

Answer 2

Yes, it's possible.
Google for your phone model, you did not indicate what you would buy, so it 's not clear how . Example: kazus.ru/forums/showthread.php?t=109856