| 摘要 |
<p>A method, system, network entity for obtaining Session Description Protocol capability information are disclosed. The method, system and network entity are used to solve the problem that a communication party is unable to acquire the Session Description Protocol capability information of the other party with the existing technology. The technical solutions according to the present invention allow a communication party to obtain the Session Description Protocol capability information of the other party from the other party by interacting messages between the two communication parties. Especially, in the case of H. 248 protocol, by extending the corresponding property parameters, a media gateway controller can obtain the Session Description Protocol capability information of the media gateway from the media gateway easily.</p> |
