The phone has to ring. Also, the CID info is transmitted after the second CO ring so if you have an AA pick up before that you won't get it.

I assume that you have confirmed that CID is being sent on the line from the telco.

-Hal


CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.