Esound is being purged from the tree, and hence a newer ekiga is needed in the stable tree. ekiga was stabilized for x86 in bug 348987, but was somehow missed for all other arches.
net-voip/ekiga-3.2.7 alpha amd64 ia64 ppc ppc64 sparc
net-libs/ptlib-2.6.7-r1 alpha amd64 ia64 ppc ppc64 sparc
net-libs/opal-3.6.8-r2 alpha amd64 ia64 ppc ppc64 sparc
*** Bug 290071 has been marked as a duplicate of this bug. ***