Recordator has a free 10-minute recording trial; otherwise it costs $10 for 67 minutes to start. It works much like RecordiaPro, giving you a number to set up a 3-way conference that does all the recording. For that price, Recordator throws in full call transcription. It also supports the merge-call option.
It seems foolish to buy more hardware to record from the iPhone—the most advanced hardware in your pocket, if not your entire home. But the option exists.

I want to use a downloaded custom MP3 file as my custom greeting. Is there a way to transfer it into the file or do I have to just re-record it by hitting record while the MP3 file plays off of another device?
These voicemail ideas may not come so easily for some of you. And who says that finding inspiration is a bad thing. It’s natural; not everyone has a funny bone inside them. But that doesn’t mean you get stuck with a boring, cliché greeting. It has to be different and contain some kind of style. And to that, I would like to give you a list of messages. They are perfect alternatives when you want to add some uniqueness to your voicemail. These cool voicemail ideas given below will take the mundane effects off and leave you with fresh sounding voicemail messages. So take a look at some funny greetings that you can use as your funny cell phone voicemail ideas (or home phone).