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Voice Communications Software

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ALSO CALLED: Telephony Software, Voice Applications Software, Phone Software, Phone Applications Software, Telephony Applications Software, Phone Application Servers
DEFINITION: G.729 is a standard for Internet Protocol (IP) private branch exchange (PBX) vendors, as well as for the public switched telephone network (PSTN). G.729 digitizes analog voice signals producing output at 8 kilobits per second (Kbps) with 8:1 compression and employs an algorithm called conjugate-structure algebraic code-excited linear prediction (CS-ACELP).G.729 has several extensions or annexes. The  … 
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Voice Communications Software Multimedia (View All Report Types)
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Getting Real Time: Deliver Voice, Video and Thin Client Effectively
sponsored by Blue Coat
WEBCAST: This webcast discusses real-time applications and successful strategies in voice delivery, video conferencing, and thin client delivery.
Posted: 09 Jul 2009 | Premiered: 09 Jul 2009

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VOICE COMMUNICATIONS SOFTWARE DEFINITION (continued): …  two most common are G.729A and G.729AB. In G.729A, input frames are 10 milliseconds (10 ms) in duration and generated frames contain 80 bits. The input and output contain 16-bit pulse-code modulation (PCM) samples converted from or to 8-Kbps compressed data. The total algorithmic delay is 15 ms. In G.729AB, the parameters are the same as in G.729A with the addition of voice activation detection (VAD) in which the effective signal bandwidth is reduced when there is no audio input. A technology known as comfort noise generation (CNG) produces a small amount of background pink noise during pauses … 
Voice Communications Software definition sponsored by SearchUnifiedCommunications.com, powered by WhatIs.com an online computer dictionary
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