Knowledge of VoIP protocols is important to ensure that your IP telephony and unified communications applications work together seamlessly. Find resources on SIP (Session Initiation Protocol) and H.323 and learn how the protocols affect a system's function and potential.
HD voice value proposition: Just try using an HD phone
SearchUnifiedCommunications.com | 29 Oct 2009 ARTICLE - HD voice is still relatively new on the enterprise communications market, but users quickly become believers.
SIP trunks a no-brainer for VoIP rollouts
SearchUnifiedCommunications.com | 10.03.2008 OPINION - Learn what a Session Initiation Protocol (SIP) trunk is and how it can strengthen the value of your VoIP and unified communications deployments.
Digium's Asterisk PBX does God's work at Midwest church
SearchUnifiedCommunications.com | 26 Aug 2008 ARTICLE - When its leased TDM PBX hit the wall, the Calvary Church turned to Digium for an open source, Asterisk-based IP PBX system.
SIP tutorial
SearchUnifiedCommunications.com | 20 Apr 2008 LEARNING GUIDE - This comprehensive tutorial details the ins and outs of the Session Initiation Protocol (SIP), the VoIP and UC industries' signalling protocol of choice.
Springer Handbook of Speech Processing
Jacob Benesty, M. Mohan Sondhi, Yiteng Huang | 14 Feb 2008 CHAPTER DOWNLOAD - The Springer Handbook of Speech Processing is widely regarded as a must-read for all telecom professionals.
SIP fundamentals
SearchVoIP.com | 02 Jul 2007 CRASH COURSE - SIP will allow true interoperability, but there are still many aspects to SIP that have people puzzled. This guide discusses some of the basics of SIP.
What is a VoIP media gateway? Published by: Whatis.com | 26 Jun 2006 PODCAST - In this Whatis.com podcast, learn about the four protocols that keep VoIP working -- H.323, SIP, MGCP and MEGACO.
G.729
24 Apr 2007 WORD - 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 ...
G.711
18 Apr 2007 WORD - G.711 is the default pulse code modulation (PCM) standard for Internet Protocol (IP) private branch exchange (PBX) vendors, as well as for the public switched telephone network (PSTN). G.711 digitizes analog voice signals ...
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