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Computer telephony ( 15 ) :

Speech-Enabled Interactive Voice Response Systems Tutorial
Telephony Overview and Applications
Telephony Overview and Applications - computer telephony introduction
The PBX Goes PC - voice-enabled modems and new software standards provide inroads to computer telephone integration

CTI converges on a single TDM bus - computer-telephony resource boards use the CT Bus in new designs and upgrades, transition to PCI bus made it to agree on one time-division-multiplex bus
Echo-canceller design ensures hands-free, high-fidelity telephony
Echo Cancellation for VoIP - echo cancellation is necessary technology in long distance telephony, especially in computer based telephony
Managing Telephony Services with the S.100 API - In the right hands, the S.100 API provides a versatile interface between hardware components and any computer-telephony application. This toolset provides a unified method for constructing scaleable, reliable telephony applications with mixed-vendor equipment.
Tackling the echo-control challenge - high call quality demands effective echo cancellation
Telephone moves to broadband - Voice-over-broadband (VoB) represents the next incremental step in the evolution of the global voice/data network from a circuit- to packet-switching architecture.
Voice over IP - large linkk section
Voice-Data Consolidation Tutorial - information on the transmission of both voice and data over a single packetized communications network

Circuit eliminates PC echoes - long-distance-telephone services available via the Internet often require the PC user to wear headphones of a headset to prevent echo caused by the microphone's picking up the loudspeaker outputs, this circuit eliminates the echo while using the existing PC microphone and speakers

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