These are the packages that would be merged, in order:

Calculating dependencies  ... done!
[ebuild   R   ] net-misc/asterisk-1.6.2.2-r1  USE="alsa caps iconv oss speex ssl vorbis -curl -dahdi -debug -freetds -jabber -keepsrc -ldap -misdn -newt -nosamples -postgres -radius -snmp -span -sqlite -static" 0 kB

Total: 1 package (1 reinstall), Size of downloads: 0 kB