I've always found it kind of entertaining when I'm in the office and two people's desk phones ring at the same time.It ends up sounding a bit like two birds calling out to each other back and forth across the studio.
It would actually be kind of fun if everyone's ring actually was a recording of a bird so that you could associate a certain bird call to your phone. It might even be a little less distracting in an open plan studio than the electronic rings that comes with the phones.
I was thinking about doing this with my cell phone, but due to Danger and T-Mobile crippling their own product, I can't use my own audio as a ring-tone.
10/04/03
There was a CD of potential ringtones released last year by Touch, including several birds and nature noises.
http://www.touchmusic.org.uk/releases/Tone14.html
The new mobile phones come configured to sound incredibly like desk phones. Most disconcerting.
10/22/03 Chris