| • | A1 Wind Ups - Practical joke phone lines and prank calls with artificial intelligence. |
| • | Funny Prank Phone Calls by MrPranky - Interactive prank phone calls. Choose a prank call from the prank web site to catch out friends or enemies. Listen into the prank phone call and hear them squirm. |
| • | Interactive Prank Joke Phone Calls - Interactive windup phone call service using dialFX technology. |
| • | Prank Calls - Interactive prank call service, where the dialogue is controlled by the caller. |
| • | Prank Phone Calls - Joke crank phone calls and funny voicemail greetings. |
| • | smarttones - Secretly listen in to prank calls made to you friends and hear them squirm. Several pranks to choose from. |
| • | Wind Up Call - Wind up phone call service offering fully interactive jokes. |
| • | Wind Up Calls - Place a wind up call to one of your friends and then listen in on the line as they get wound up. |
