deinitPhone :: IO ()
deinitPhone = liftPJ $ do
    FFI.hangupAll
    void FFI.destroyPjSua
deinitPhone :: IO ()
deinitPhone = liftPJ $ do
    FFI.hangupAll
    void FFI.destroyPjSua
deinitPhone = liftPJ $ do
    FFI.hangupAll
    void FFI.destroyPjSua