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Voice, Video and Data Integration Hybrid Mechanism Disclosure Number: IPCOM000060910D
Original Publication Date: 1986-Jun-01
Included in the Prior Art Database: 2005-Mar-09

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Lien, YC Mills, DR Schick, T [+details]


This article describes a technique for permitting synchronous and asynchronous data traffic to cohabitate on a single communications channel. In essence, the presence of synchronous data causes the channel to change from a packet switching configuration (Fig. 1) to a subchannelized, TDM configuration with a frame of subchannels (Fig. 2) flowing in each time period. Synchronous data is transmitted in the subchannels. The line or communications channel is used for queued data until a real-time conversation needs service. For the duration of the transmission of the queued data the line is used in an optimum fashion directly comparable to conventional packet switching protocol (Fig. 1).