METHOD AND APPARATUS OF MEDIA CAPABILITY RE-NEGOTIATION

摘要

A method of media capability re-negotiation includes: a trigger request of media capability re-negotiation is sent to the terminal which needs re-negotiation, in order to indicate the terminal to start a media capability re-negotiation request; media capability re-negotiation request message is received, the said media capability re-negotiation request message is transferred to other terminal which needs re-negotiation, so as to realize media capability re-negotiation. Another method of media capability re-negotiation is disclose, the method includes: when the first terminal receives a trigger request of media capability re-negotiation sent by a mediator, it exchanges a media capability re-negotiation request with the second terminal through the said mediator, in order to realize the media capability re-negotiation.