A method, an apparatus, and a computer-readable medium for wireless communication are provided. The apparatus may be a mobile device. The apparatus receives signals from one or more satellites. The apparatus determines an indoor/outdoor classification attribute of the apparatus among a plurality of indoor/outdoor classification attributes based on a number of satellites from which the apparatus receives the signals. The apparatus receives a message. The apparatus determines whether to forward the message based on the indoor/outdoor classification attribute and a type of the message.