This World Is Taboo: Unabridged

This World Is Taboo (1961) by Murray Leinster is a science fiction novel.
Excerpt from the book:
He called Murgatroyd, placed him before the communicator, and set it at voice-only transmission. This was familiar enough, to Murgatroyd.
He'd often seen Calhoun use a communicator.
'Chee!' shrilled Murgatroyd. 'Chee-chee!'
A startled voice came out of the speaker: 'What's that?'
'Chee,' said Murgatroyd zestfully.
The communicator was talking to him. Murgatroyd adored three things, in order. One was Calhoun. The second was coffee. The third was pretending to converse like a human being. The speaker said explosively, 'You there, identify yourself!'
'Chee-chee-chee-chee!' observed Murgatroyd. He wriggled with pleasure and added, reasonably enough, 'Chee!'
The communicator bawled, 'Calling ground! Calling ground! Listen to this! Something that ain't human's talking at me on a communicator!
Listen in an' tell me what to do!'
Murgatroyd interposed with another shrill, 'Chee!'