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A cable modem is a type of network bridge that provides bi-directional data communication via radio frequency ... or a voice telephone system, or, other digital channels.
The NETGEAR Nighthawk CAX80, a high performing modem/router combo that works with internet plans up to 1200 Mbps, has similar specs as the Comcast/Xfinity-only Motorola MT8733—DOCSIS 3.1, 2.5 ...
Cable modem termination system. A cable modem termination system (CMTS, also called a CMTS Edge Router) [1] is a piece of equipment, typically located in a cable company's headend or hubsite, which is used to provide data services, such as cable Internet or Voice over IP, to cable subscribers.
DSL modem Cable modem. The term broadband was previously [55] [56] used to describe communications faster than what was available on voice grade channels. The term broadband gained widespread adoption in the late 1990s to describe internet access technology exceeding the 56 kilobit/s maximum of dialup.
Xfinity Voice (formerly Comcast Digital Voice) is a Voice Over IP cable telephony service that was launched in 2005 in some markets, [75] and to all of Comcast's markets in 2006. Comcast's older service, Comcast Digital Phone, continued to offer service for a brief period, until Comcast shut it down around in late 2007. [ 76 ]
As offerings have evolved to include multiple services [voice and data] operators have increasingly given consumers the opportunity to rent or buy additional devices like access modems, internet gateways and video extenders that enable them to access multiple services, and distribute them to a range of consumer electronics devices in the home.
Optimum offers landline VOIP telephone service branded as Optimum Voice; the service utilizes a telephony-capable cable modem to provide the service, either alone or combined into a household's main cable modem box. Optimum provides small and mid-sized businesses with Internet, telephone, television, mobile, WiFi, and advertising services. [6]
DSL modems use frequencies from 25 kHz to above 1 MHz (see Asymmetric Digital Subscriber Line), in order not to interfere with voice service which is primarily 0–4 kHz. Voice-band modems use the same frequency spectrum as ordinary telephones, and will interfere with voice service - it is usually impossible to make a telephone call on a line ...
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