| 摘要 |
The present invention discloses a method, an apparatus, and a communication system for protecting signaling transmission, relates to the communication field, and enables end-to-end signaling protection. In an embodiment of the present invention, a primary signaling path and at least one secondary signaling path are created between terminals; the transmission protocol of the primary signaling path is different from the transmission protocol of the secondary signaling path, and the secondary signaling path works instead when the primary signaling path is in an abnormal state. The embodiments of the present invention are primarily applied to communication systems, and in particular, to the communication systems that support multiple transmission modes, for example, WCDMA system that supports IP bearers.
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