Megaco/H.248 is an emerging standard that will enable voice,fax and multimedia calls to be witched between the public switched telephone network and emerging IP networks.

• Megaco/H.；248是一个新出现的标准，能使语音、传真和多媒体呼叫在公共电话交换网（PSTN）和新出现的IP网之间进行交换。