A network call method, a server, a call terminal, a network call system, and a storage medium are provided. The network call method includes: receiving a reservation request transmitted by a call reservation terminal, the reservation request including a first communication identifier of a first call terminal; generating a chat room identifier of a chat room in a social network application; generating a call reservation notification, the call reservation notification including an access link generated according to the chat room identifier; and transmitting the call reservation notification to a communication client of the first call terminal according to the first communication identifier of the first call terminal.