DTMF Passthru patch

Hi Matt,
Im using asterisk 1.2.27, do I need to apply the meetme DTMF passthru patch and meetme volume control patch, also rewrite of waitforsilence? Pls advice.
Regards,
Im using asterisk 1.2.27, do I need to apply the meetme DTMF passthru patch and meetme volume control patch, also rewrite of waitforsilence? Pls advice.
Regards,