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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  … 
Definition continues below.
Voice Communications SoftwareReports
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Record, Evaluate, Monitor and Archive All Your Customer Interactions For your Cisco Switch
sponsored by Teleformix
DATA SHEET: Call recording and review are the most effective and efficient ways to ensure your customers receive high quality treatment and accurate information. ECHO™ provides the vehicle for this.
Posted: 11 Jul 2008 | Published: 01 Jul 2008

Teleformix

The SIP High Availability and Reliability Paradigm
sponsored by F5 Networks
WHITE PAPER: Since its inception, Session Initiation Protocol has revolutionized the way people communicate using converged services. SIP provides the framework for delivering voice, video, data, and wireless services seamlessly.
Posted: 28 Apr 2008 | Published: 01 Aug 2007

F5 Networks

The Business Case for Enterprise VoIP
sponsored by Intel Corporation
WHITE PAPER: This white paper reviews a recent study which integrated voice over Internet protocol (VoIP) into the production enterprise environment, giving employees av opportunity to experience the benefits that VoIP and unified messaging bring to the workplace.
Posted: 05 Sep 2007 | Published: 01 Feb 2006

Intel Corporation

Independent Lab Test Report: Security of Cisco CallManager-based IP Telephony against Malicious Hacker Attacks
sponsored by Cisco Systems, Inc.
ANALYST REPORT: Cisco Systems becomes the first, and to date the only, IP-Telephony vendor to earn Miercom's highest rating of Secure for its proven ability to defend an IP phone system against malicious attack.
Posted: 10 Aug 2004 | Published: 24 May 2004

Cisco Systems, Inc.
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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 … 
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