The work introduced in this thesis has researched codec negotiation in 3g core network and researched agility and uniform codec in order to solve the problem which mentioned above.
本课题的主要工作就是研究3g核心网中的编解码协商技术，研究出灵活统一的编解码，以解决上面出现的问题。
The work introduced in this thesis has researched codec negotiation in 3g core network and researched agility and uniform codec in order to solve the problem which mentioned above.
本课题的主要工作就是研究3g核心网中的编解码协商技术，研究出灵活统一的编解码，以解决上面出现的问题。
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