Debian is using it with libcapi instead of capi4utils :/
[master 2b9e16d] net-misc/capi4hylafax: Use net-libs/libcapi (#595674) 1 file changed, 156 insertions(+) create mode 100644 net-misc/capi4hylafax/capi4hylafax-01.03.00.99.300.20-r2.ebuild