A communication apparatus (101) includes: receiving means for receiving a communication parameter, which is necessary for communication, from another communication apparatus; storage means (103, 212) for storing the communication parameter; first detecting means for detecting a connection instruction for connection to a network; and connecting means which, if the connection instruction (S401) has been detected by the first detecting means, is for executing processing for connecting to the network using a communication parameter already stored in the storage means (212), or processing for connecting to the network after a communication parameter is received from another communication apparatus by the receiving means, in accordance with the type of communication parameter already stored in the storage means (212).