Disable unneeded libtgvoip, tgcalls provide everything we need; from alt linux
http://www.sisyphus.ru/cgi-bin/srpm.pl/Sisyphus/telegram-desktop/getpatch/1

Index: Telegram/cmake/lib_tgcalls.cmake
--- Telegram/cmake/lib_tgcalls.cmake.orig
+++ Telegram/cmake/lib_tgcalls.cmake
@@ -267,6 +267,7 @@ PRIVATE
     ${tgcalls_loc}
 )
 
+return()
 add_library(lib_tgcalls_legacy STATIC)
 init_target(lib_tgcalls_legacy)
 
