kitteh@uwu: ~ $ gentoo install linphone
These are the packages that would be merged, in order:
Calculating dependencies... done!
emerge: there are no ebuilds to satisfy ">=net-libs/belle-sip-1.5.0".
(dependency required by "net-voip/linphone-3.10.2::booboo" [ebuild])
(dependency required by "linphone" [argument])
you seem to be missing belle-sip