Cable Telephony

This diagram shows a CATV system that offers cable telephony services. This diagram shows that a two-way digital CATV system can be enhanced to offer cable telephony services by adding voice gateways to the cable network's head-end CMTS system and media terminal adapters (MTAs) at the residence or business. The voice gateway connects and converts signals from the public telephone network into data signals that can be transported on the cable modem system. The CMTS system uses a portion of the cable modem signal (data channel) to communicate with the MTA. The MTA converts the telephony data signal to its analog audio component for connection to standard telephones. MTAs are sometimes called integrated access devices (IADs).

Cable Telephony Diagram

Contribution Network
Headend
Off Air Receivers
Rate Shaper
Channel Signal Combiners
Metadata Management
Playout Scheduling
Hybrid Fiber Coax - HFC
Cable Ready Televisions
Cable Modems
Cable Telephone Adapters
Cable Telephony
Wireless Cable
Video on Demand – VOD
National Television Standards Committee – NTSC
Phase Alternating Line – PAL
Data Over Cable Service Interface Specifications – DOCSIS
Pay per View – PPV

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Introduction to Cable Television (CATV) This book provides an overview of cable television system technology including cable modems, digital television, HDTV, along with how cable systems are converting from analog systems to digital networks so they can offer advanced services such as ultra broadband, video on demand (VOD) and addressable advertising. $19.99 Printed, $16.99 eBook

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