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

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild  N     ] net-misc/asterisk-core-sounds-1.6.1-r1::gentoo  USE="gsm -alaw -g722 -g729 -siren7 -siren14 -sln16 -ulaw -wav" L10N="-en-AU -en-GB -es -fr -it -ja -ru -sv" 2409 KiB

Total: 1 package (1 new), Size of downloads: 2409 KiB