| 摘要 |
<p>A multimedia call establishing method, system and apparatus, the method comprises: receiving a multimedia request message; establishing a multimedia call path with a CS UE according to the multimedia request message; negotiating a media coding mode with the CS UE according to the multimedia call path, and negotiating the media coding mode with the opposite UE; establishing a multimedia call between the CS UE and the opposite UE after determining the coding mode of the CS UE and the opposite UE. By means of negotiating the coding mode with the CS UE and the opposite UE (e.g. IMS UE) by the MSC, the multimedia call can be established between the CS UE and the opposite UE, the technical limitation that the multimedia call between the CS UE and the opposite UE can not be realized in the prior art can be solved.</p> |
