1. Hello, this is IT Generation Software. I'm afraid we're not available right now, but if you leave a message we'll get back to you as soon as we can. Please leave a message after the tone.
2. Hi, this is Piotr calling from the University of Bradford's translation team.
3. I'm phoning about the instruction book you wanted translating from Russian into English.
Ответ: leave a message after the, this is Piotr calling from, I'm phoning about