asterisk users - Jan 2006 - Call Waiting CallerID

Hi,

According to the wiki, we need to have both callwaiting=yes and
callwaitingcallerid=yes , and that's what I have in zapata.conf.

I can hear the call waiting alert tone when a 2nd call comes in during
an established call, and I can switch between the calls without
problems.  However, CallerID on the 2nd call does not show up with the
call waithing alert tones.

Am I missing something?  Can anyone help?
Thank you in advance.
Andy