Among the majority of their implementation, media access gateway(AMG) plays a very important role. It transforms the PSTN data frame format into IP packet format, and it also translate the switch signaling and protocols.
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- 在VoIP實(shí)現方案中，接入媒體網(wǎng)關(guān)（AMG）扮演了非常重要的角色，它實(shí)現PSTN到IP的數據格式的轉換，交換信令和協(xié)議的轉換，實(shí)現系統控制等。
