You are using the images at http://inf.imelda.be/downloads/m0n0wall/ right?
The stock m0n0 1.2 image will not support those attributes.
From: "Jason Brunk" <jbrunk at wthosting dot com>
>I noticed this last night myself. I am not getting called or calling
> station ids at all. I am trying to figure out how to get calling and
> station ids to both be mac addresses.
> From: Andrew Hull [mailto:list at racc2000 dot com]
> Using the esteemed Mr De Graeve's latest image, I have discovered a slight