Dial into your Audix system, if you have messages press 2 and then 0. After you have listened to the message you will be prompted with the options available to you.
i.e. press 1 to forward, press 2 to forward with comment.
If you press 2, you will be prompted with # to approve, 1 to edit; then enter extension you want to forward voicemail to, enter #, to send push # again.