aminvakil [1] filed a request to merge zoiper [2] into zoiper-bin [3]: As suggested by dreieck in https://aur.archlinux.org/packages/zoiper#comment-948988 , this is a pre-built package and should have -bin suffix.
[1] https://aur.archlinux.org/account/aminvakil/ [2] https://aur.archlinux.org/pkgbase/zoiper/ [3] https://aur.archlinux.org/pkgbase/zoiper-bin/
