Design and implementation of QoS module for VoIP gateway
VoIP网关QoS模块的设计与实现

How to improve the voice quality of VolP gateway was presented, and the feasible solution for QoS was analyzed. Then an implementation of QoS module that supports DiffServ was proposed. The module had a dear framework and good expansibility, gave a solution to the problem that VoIP gateway without any QoS abilities, and could be used as a reference in the QoS module design and implementation of VoIP gateway. This solution has been adopted in the VoIP gateway with embedded Linux platform and it meets the quality of the voice well.