Jack, even with the ring delay set a 0 caller id should still display, you have to let it ring more than twice, before answered by a person or auto attendant. One other thing: I only trust what my eyes can see and that includes using a buttset with cid display as well.

www.myrandomviews
"Old phone guys never die, they just get locked in some closet with an old phone system and forgotten about"

Retired, taking photographs and hoping to fly one of my many kites.