| 摘要 |
This invention provides method and device for blind transfer service. The method comprises the following steps: first, user A establishes a call with user B, then, user B originates a call transfer request to request to transfer the call with user A to user C; application server of user B heads off the request and returns an accept response to user B; the application server of user B firstly originates a call invitation to user C and acquires media parameter information of user C; the application server of user B originates a call re-invitation to user A, provides the media parameter information of user C, instructs user A to carry out media switch, and acquires media parameter information of user A; the application server of user B provides the media parameter information of user A to user C, and instructs user C to establish a media stream connection with user A.
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