asterisk users - Mar 2006 - WARNING[3675] samples/codec_g723.c: Received a G.723.1 frame that was 4 bytes from RTP

Hi all ,

I am gettign this warning in my asterisk log after installing  g723 codec

:WARNING[3675] samples/codec_g723.c: Received a G.723.1 frame that was
4 bytes from RTP

what that mean ?

thanks
Salaque