Comcast offers its customers a variety of bundled services: connection to the Internet, cable television, telephony and video on demand.
康卡斯特公司向顾客提供多种捆绑式服务，例如网络链接、有线电视、电话通讯、录像等可选服务。
2
Modules at each end of the cable provide a phantom path for telephony signals between a telephone near the data set and a PBX, through both conductor pairs in a phantom circuit arrangement.