Or, which has worked great for me; just never answer the phone. If people need something they will email or chat. If not then it is not going to be important.
This. If people have a "real" reason to correspond with you they will have no problem making a record of it via a voicemail or text or email or whatever.
This. If people have a "real" reason to correspond with you they will have no problem making a record of it via a voicemail or text or email or whatever.