voice over SLIP?

This might be somewhat off-topic, but could someone send me a list of ftp'able software for doing voice over SLIP? I'd prefer linux-based software, but DOS-based would work, too... Thanks very much! -- Ed Carp, N7EKG Ed.Carp@linux.org, ecarp@netcom.com Finger ecarp@netcom.com for PGP 2.5 public key an88744@anon.penet.fi ** PGP encrypted email preferred! ** "What's the use of distant travel if only to discover - you're homeless in your heart." --Basia, "Yearning"