Abstract
In order to transit from the traditional telecommunication network to the NGN smoothly and low-costly, we apply the S12 series telephone switch as the soft-switch to design the flow of the media gateway control (MEGACO) protocol. We set the termination as well as context between media gateway and controller by MEGACO command, that making sustained data flow between MG and MGC .Finally, according to the call we make MEGACO transaction packaging MEGACO orders into data package. Data package achieve the MEGACO call flow by the transferring between MG and MGC.
If the hardware condition matured, the design MEGACO call flow supported more extensive network than MGCP, which not only support IP networks, also support the ATM network.
Key words : the next generation network; Media Gateway; Media Gateway Controller; Media Gateway Control Protocol