This is a topic a lot of you are very passionate about. According to a survey most people find they are courteous with their cell phone usage. Not sure where the heck they have been hanging out.
I follow several rules of thumb if I am in another companies office the phone gets switched off, If I am in a restaurant either by myself or with someone that phone gets switched off. Nothing is that important if I am expecting what I deem a important call I switch to buzz and excuse myself if the call comes in. The survey results are interesting check them out. [Designtechnica]