首页>
外国专利>
A device for adaptation of the small strip - speech - traffic of a local access network for transmitting via a broadband - network with an asynchronous transfer mode
A device for adaptation of the small strip - speech - traffic of a local access network for transmitting via a broadband - network with an asynchronous transfer mode
展开▼
机译:一种适应小带状-语音-本地接入网络的业务以经由宽带传输-具有异步传输模式的网络的设备。
展开▼
页面导航
摘要
著录项
相似文献
摘要
A voice adaptation device (18) provides an interface between a narrowband local access network and a broadband asynchronous transfer mode (ATM) backbone network (16). The voice adaptation device (18) includes a T1/E1 network adaptor (50) that converts T1/E1 signals carrying narrowband voice traffic into an ATM cell format. The T1/E1 network adaptor (50) also performs echo cancelling, voice enhancement, digital voice protocol conversion, and compression/decompression on the narrowband voice traffic. The voice adaptation device (18) also includes a synchronous optical network formatter (52) that places ATM cells generated by the T1/E1 network adaptor (50) into synchronous optical network signals. The synchronous optical network signals are transmitted across the broadband ATM backbone network (16).
展开▼