A method for call playback in a ringing state, comprising: after forwarding, by an Access Transfer Control Functionality, ATCF, a call request initiated by a user terminal, and when receiving, by the ATCF, a first temporary response message returned by a called party, applying for, by the ATCF, a pair of media resources for a first playback media and performing, by the ATCF, playback the first playback media through the pair of media resources applied for the first playback media, wherein the first temporary response message carries description information about the first playback media; when receiving, by the ATCF, an nth temporary response message of the call request, reapplying for, by the ATCF, a pair of media resources to anchor an nth playback media, wherein the nth temporary response message carries description information about the nth playback media, and n is a natural number which is greater than or equal to 2 and the nth temporary response message indicates that a forked call happens; and performing, by the ATCF, playback the nth playback media through the pair of media resource reapplied for the nth playback media; wherein performing, by the ATCF, playback on the nth playback media through the pair of media resource comprises: using, by the ATCF, the anchored nth playback media to perform updating and switching on an nth call remote media and updating, by the ATCF, a local anchored media after receiving an update response; and forwarding, by the ATCF, the received nth temporary response message to a Proxy Call Session Control Function, P-CSCF, wherein the forwarded nth temporary response message carries the anchored nth playback media; or, wherein performing, by the ATCF, playback on the nth playback media through the pair of media resource comprises: forwarding, by the ATCF, the received nth temporary response message to the P-CSCF, wherein the forwarded nth temporary response message carries the anchored nth playback media; and using, by the ATCF, the anchored nth playback media to perform updating and switching on an nth call remote media and updating, by the ATCF, a local anchored media after receiving an update response. after forwarding, by an Access Transfer Control Functionality, ATCF, a call request initiated by a user terminal, and when receiving, by the ATCF, a first temporary response message returned by a called party, applying for, by the ATCF, a pair of media resources for a first playback media and performing, by the ATCF, playback the first playback media through the pair of media resources applied for the first playback media, wherein the first temporary response message carries description information about the first playback media; when receiving, by the ATCF, an nth temporary response message of the call request, reapplying for, by the ATCF, a pair of media resources to anchor an nth playback media, wherein the nth temporary response message carries description information about the nth playback media, and n is a natural number which is greater than or equal to 2 and the nth temporary response message indicates that a forked call happens; and performing, by the ATCF, playback the nth playback media through the pair of media resource reapplied for the nth playback media; wherein performing, by the ATCF, playback on the nth playback media through the pair of media resource comprises: using, by the ATCF, the anchored nth playback media to perform updating and switching on an nth call remote media and updating, by the ATCF, a local anchored media after receiving an update response; and forwarding, by the ATCF, the received nth temporary response message to a Proxy Call Session Control Function, P-CSCF, wherein the forwarded nth temporary response message carries the anchored nth playback media; or, wherein performing, by the ATCF, playback on the nth playback media through the pair of media resource comprises: forwarding, by the ATCF, the received nth temporary response message to the P-CSCF, wherein the forwarded nth temporary response message carries the anchored nth playback media; and using, by the ATCF, the anchored nth playback media to perform updating and switching on an nth call remote media and updating, by the ATCF, a local anchored media after receiving an update response.