Terri, the Talks software is claimed to work with one of the 3600 series phones.
However, I know several people using it with a 3200. Apparently despite what
the press release says it works with at least two phones.
Tom
Tom Brennan KD5VIJ, CCC-A/SLP
web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html