Phone Sex or Online Sex is erotic sexual activity done through a cell phone, computer, internet, or phone device. It consists of a couple having erotic talk over the phone, talking via text message or audio clip. It is the easiest and safest way to get into “the mood” for some serious fun. There are many places where you can find free phone sex. Some websites offer it for free, while others charge a small amount for their services. There are also sites that require a membership fee to access their services. The membership fee may be for a specific amount of phone calls or for an unlimited amount of calls. The membership fee will depend on what type of service they offer.