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- SolutionBase: Creating a secure and reliable VoIP solution
- Follow these steps to remove the chrome frame from your browser windows. If you're considering a switch to VoIP, you may be wondering about security and reliability issues. You know VoIP uses the Internet in most cases to transmit calls, and Internet security breaches are featured in...
- Tags: VoIP Solution, Security, Packet, Phone, Network, Call, RFC 3261, Guest Contributor, Gateway, Telephony, Telecommunications, Networking, VoIP, Latency, Endpoint Performance, Voice Transmission Quality, Transport Layer Security, SRTP, ZRPT, SRTCP
- Technical articles 2003-09-30
Additional Resources
- Enabling VoIP: Data Considerations and the Evolution of Transmission Network Design
- Voice services are again undergoing a major transition, this time from fixed digital circuits to Voice-over-IP VoIP networks. Customers, long appreciative of the economics and scalability of Ethernet technology in their LANs, are today expanding Ethernet services not only for their data traffic, but also for their voice traffic. This...
- Tags: Network, Cisco Systems Inc., Network Design, Telephony, VOIP, Ethernet, Telecommunications, Networking
- White papers 2006-01-01
- Voice Quality: Deploying Tools for a Stable Infrastructure
- This paper provides insight into voice quality and the different methods to measure voice quality. Voice over IP VoIP has passed its infancy stage and is a mature technology that has been widely adopted by customers hoping to take advantage of the cost savings offered by VoIP in addition to...
- Tags: Voice Quality, Tool, Voice Quality Measurement, Telephony, VOIP, Telecommunications, Network Technology, Networking
- White papers 2007-12-01
- Successfully Design, Deploy, Manage, and Troubleshoot Voice Over WLAN
- As Wireless LANs WLANs become more pervasive, businesses are adding Voice-over-IP VoIP to their WLANs to improve collaboration and responsiveness and increase savings and return on investment. However, voice places unique requirements on the WLAN that must be successfully addressed if user expectations for availability, quality, and convenience are to...
- Tags: Voice, WLAN, Wireless LANs, LANs, Wi-Fi, Wireless, Networking
- Webcasts 2007-12-01
- WiFiTalkie (zip)
- WiFiTalkie turns your Palm into a Walkie-Talkie. Using a broadband network connection such as WiFi it lets you communicate between two or more Palm devices. WiFiTalkie uses VoIP Voice over IP technology to broadcast audio data. It supports full duplex mode, which lets you broadcast and receive voice simultaneously. WiFiTalkie...
- Tags: Broadband Network, Palm Inc., Broadband, WiFiTalkie, Telecommunications, Broadband Internet, Telephony, VOIP, Network Technology, Networking
- Software downloads 2006-07-18
- Intelligent Service Level Management - ISLM White Paper: Measuring Voice Quality
- Voice over IP VoIP systems can suffer from significant call quality and performance management problems. Network managers and others need to understand basic call quality measurement techniques, so that they can successfully monitor, manage and diagnose these problems. This white paper describes commonly used call quality measurement methods, explains the...
- Tags: Service Level Management, Voice Quality, Teltronics, Performance Management, Telephony, Business Intelligence, VOIP, Telecommunications, Human Resources, Workforce Management, Networking, Enterprise Software, Software, Data Management
- White papers 2008-05-27
- WiMAX: Demystifying 802.16d and 801.16e
- As a principal member of the WiMAX Forum, SOMA Networks believes that the IEEE 802.16 Standard shows great promise for the future of broadband wireless access. It is the most progressive, full-featured wireless standard available today, incorporating the latest radio, antenna and transport technologies that help yield the best business...
- Tags: SOMA Networks, WiMAX, Broadband Internet, Wireless, Telecommunications, Wi-Fi
- White papers 2006-08-01
- Voice Over Packet - A Design Perspective
- To transmit voice over any network, in particular IP network, one has to have an idea of what exactly are the issues in the transmission of voice over such media. The first, and the most preliminary, thing would be to discuss the concept of how the voice is channeled into...
- Tags: Voice, Telecommunications
- White papers 2004-12-15
- GSM Vocoders Improve Speech Transmission
- With the current focus on high-speed packet data transmission, it is easy to forget that the primary purpose of GSM digital telecom systems was for speech transmission. The key principle behind the coders used in the GSM system is the mathematical modeling of the human vocal tract, leading to an...
- Tags: GSM, Cellular Phones, Telephony, Telecommunications, Consumer Electronics, Personal Technology, Networking
- White papers 2004-10-26
- A Priority Control Method for High Quality VoIP Systems Over Wireless LAN
- The authors describe a new method of controlling priority to maintain the quality of streaming media such as VoIP over Wireless LANs WLANs in this paper. Because WLAN terminals in the same area share bandwidth in transmitting packets, they affect one another. Burst data transmission from a WLAN terminal may...
- Tags: VoIP, WLAN, Wireless LANs, LANs, Wi-Fi, Wireless, Networking
- White papers 2006-04-07
- Quality of Experience: A Strategic Competitive Advantage of Microsoft Unified Communications
- Voice Quality, as measured by the subjective perception of users, is key to the success of IP telephony implementations. Managing it however is a very complex task in the absence of comprehensive real time measurement of Voice Quality in traditional enterprise voice solutions. As a substitute for direct management of...
- Tags: Telephony, Network, Competitive Advantage, Unified Communications, IP Telephony, IP, Microsoft Corp., VOIP, Telecommunications, Telecom & Utilities, Networking
- White papers 2007-10-01
- TFMC: A TCP-Friendly Multiplexing Control Scheme for VoIP Flow Transmission
- This paper investigates the performance limitations in the case of a large number of long distance voice over IP calls originating from different sources and transported through a best-effort IP network. The paper focuses on the potentially negative effects of protocol header overhead, which is twice the voice payload generated...
- Tags: VoIP, Performance, Network, Computer Science, IP, TCP, IP Network, Tcp/Ip, Networking, Performance Management, Telecommunications, Network Technology, Human Resources, Workforce Management
- White papers 2007-01-01
- Real Time Data Transmission Over GSM Voice Channel for Secure Voice & Data Applications
- This paper describes a real time prototype implementation of a system, which enables secure voice and data communication over the GSM voice channel. The security of GSM is not guaranteed especially over the core network. The proposed system modulates digital data, which may be encrypted onto speech-like waveforms. The modulated...
- Tags: Voice, Waveform, GSM, Voice Channel, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2004-08-31
- eHealth for Voice - Managing for IP Telephony Quality and Performance
- Companies today are striving to contain costs and improve productivity in all areas of the business. One opportunity to rein in expenses is through the deployment of IP Telephony built on a Voice over Internet Protocol VoIP infrastructure. Concord's eHealth Suite and eHealth for Voice offer rich support for end-to-end...
- Tags: Telephony, Performance, Voice, IP Telephony, IP, Concord Communications Inc., E-health, VOIP, Network Technology, Telecommunications, Networking, Healthcare
- White papers 2005-04-20
- Preparing the WLAN for Voice
- Combining voice with wireless data networking introduces some challenges due to the network requirements imposed by voice communications. Voice is a real-time application that requires low latency and reliable delivery as it travels through the network. In converged voice and data networks, Quality of Service QoS mechanisms are imperative to...
- Tags: Voice Communication, Network, Voice, WLAN, Data Networking, Networking, Telecommunications, Wireless
- White papers 2005-05-01
- SayTunes (exe)
- SayTunes allows you to control iTunes using your voice. Just say the name of a song and iTunes will start playing it. Note: The quality of the voice control will depend on your voice, quality of your microphone, and the general level of noise in your computer area. Please download...
- Tags: Voice, Apple iTunes, Myradus, SayTunes, Telecommunications, Digital Music, Digital Media, Personal Technology, Consumer Electronics
- Software downloads 2006-09-07
- Digital Dictation (exe)
- The Legal Easy line of Digital Dictation/Transcription Software is a state of the art system which provides for computer based recording, storage, transmission, and transcription of all voice dictation. Systems can be configured in a wide variety of ways to suit the individual customers needs and work environment. Legal Easy...
- Tags: Productivity, Storage, Hardware
- Software downloads 2002-10-02
- Business Quality Voice on the WAN
- Voice over IP VoIP over the Internet or private WAN often falls short of delivering business quality voice services. Avaya Converged Network Analyzer CNA monitors VoIP call quality, assesses all available paths for delivering VoIP traffic, and automatically adjusts the network infrastructure to preserve the quality of voice calls in...
- Tags: Network, Voice, Avaya Inc., Telephony, VOIP, WANs, Telecommunications, Networking
- White papers 2005-05-01
- The Effects of Interference on VoFi Traffic
- As previously seen with general WLAN and streaming-video traffic, interference can also have a devastating effect on the quality of Voice over IP over Wi-Fi VoFi connections. Farpoint Group believes that it is particularly important to address this challenge as soon as possible, and for two key reasons. They believe...
- Tags: VoFi, Farpoint Group, Wireless LANs, LANs, Wireless, Networking
- White papers 2007-01-01
- PVQM - Proactive Voice Quality Monitoring
- This white paper discusses PVQM capabilities - which will allow enterprises and service providers to take voice quality management beyond traditional telephony to a level that will become the norm for next generation IP telephony networks.
- Tags: Nortel Networks Corp., Voice Quality, Monitoring, Business Services, VOIP, Telecommunications, Telecom & Utilities, Networking
- White papers 2003-06-09
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