Related:

• Computer generated voices:) 1: Hello, there are no real people here to answer the phone right now.
  2: Yeah, nobody but us machines! 1: Right, just us machines, but don't hang up!...
• Thank you for calling Robert's House of Love. All of our customer service representatives are, er.
  .. busy servicing customers, so at the sound of the erotic tone, leave your name, number, and a short description of whatever turns you on....
• Italian Mafia-style voice:) I can't come to the phone right now.
  Me and Guido are trying to stuff a body in the trunk....
• What happened to all the people? War? Disease? A dissatisfied customer?
  -- Troi, Worf, Data, and Geordi, "Arsenal of Freedom", stardate 41798.2...
• Operatic music like Rossini's "Stabbat Matter":) Hi, you've reached Hell.
  (Screams in the background.) We're busy being cleaned by the light of eternal truth right now, so if you leave your name, number, and a brief message, we'll get back to you at the end of time....
• I 'll speak in a monstrous little voice. -- William Shakespeare (1564-1616), A Midsummer Night's Dream -- Act i, Sc.
  2...
• Beverly: "Captain, the first thing you need to get is some rest.
  Now this has been a shock to your system and I want you to not push yourself....
• I'm unable to take your call in person because I'm having an out-of-the-body experience.
  In fact I'm standing right behind you and I can hear everything you say....
• Automatic gunfire, explosions, rockets, jets; agitated voice
  ) I'm pinned down and can't come to the phone right now, and Bob's handling supporting fire!...