Originally Posted by JSanders
It's true though, as long as ONE of the individuals is privy to the information the call is being recorded...
Agreed, this is the legal requirement. While somewhat foolish, I suspect that it is in place to keep from blatant wiretapping by, e.g., an employer.
While it may be legal to tape, my rule of thumb in these matters has been to focus on ethics -- where informing all parties is the best policy.