Provide a kind of method and apparatus for former-loud business continuance (bSRVCC). The method includes:: a service continuity apps server (SCC is same) receives a bSRVCC switching requests of a call terminal (S410); As whether an a piece of news is received the SCC pronounced before receiving bSRVCC switching requests, wherein a piece of news includes the message sent by a call terminal and carries an answer session description protocol (answering SDP) (S412); As having determined that in front of receiving bSRVCC switching requests in the case where SCC, a piece of news is not received, with the SCC of caching bSRVCC switching requests, if one pre-determined message of preceding end receives a piece of news in SCC, wherein pre-determined message includes that the message sent does not carry answer SDP (S414) by call terminal. Through the invention, the bSRVCC programs in the relevant specification that third generates partnership project (3GPP) are that non-enforceable problem is solved, therefore provides an enforceable bSRVCC programs.
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