For our application we want to read the callers number back to them (calling in on a 800# that would somehow point to multiple lines -- figuring that all out still). I was under the impression that calls to 800#'s are unblockable by the caller (irregardless if they have caller id blocked or not). I'm not sure if this is because of ANI or CLID (or if ANI _is_ CLID) or how any of this works... Could someone break this down for me? What would I need to to do to ensure that the callers number can not be blocked & available to us (to read back to them) in real-time? Thanks in advance for any info _________________________________________________________________ Add photos to your e-mail with MSN 8. Get 2 months FREE*. http://join.msn.com/?page=features/featuredemail