Link to when VoIP is not the right choice, and thus stay with analog (copper wire) phone. Link to models of VoIP phones.
Link to page listing when a VoIP may not be a good choice. Note that AUDIX (CU's Voice Mail service) might meet many needs previously provided by an answering machine. :-)
VoIP phone model is the Avaya 4610SW, <http://www.it.cornell.edu/services/ip_voice/about/index.cfm>.