Call-out method and device of call center, storage medium and electronic equipment

The invention discloses an outbound method of a call center, which comprises the following steps: recording and maintaining an outbound number and attribute information thereof, the attribute information comprising outbound SBC information and number strategy information; determining a main number strategy and a backup number strategy of the outbound service according to the service identifier of the outbound service and the outbound channel; selecting one outbound call number meeting the requirements of the main number strategy from the outbound call numbers corresponding to the main number strategy as a main outbound call number, and selecting one outbound call number meeting the requirements of the backup number strategy from the outbound call numbers corresponding to the backup number strategy as a backup outbound call number; and the outbound calling party performs outbound calling by using the main outbound calling number and the corresponding outgoing SBC information through the SIP server, and if the