Unified Comms
The unified communications industry aids businesses through video conferencing and various messaging technologies.
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The Forrester Wave™: Room-Based Videoconferencing
In Forrester’s 39-criteria evaluation of videoconferencing solution vendors, we identified the seven most significant providers in the category — Cisco, Huawei, LifeSize, Polycom, Radvision, Teliris, and Vidyo - and researched, analysed, and scored them. Leaders that emerged have broad product portfolios with deep integration into unified communications (UC) infrastructure, while...
Sponsored By Polycom, Inc.
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Betting on the future with Unified Communications
This white paper from Frost & Sullivan covers how unified communications (UC) technologies can help support communications and collaboration among distributed workers, and suggests innovative ways businesses and managers can use UC to improve processes and drive the bottom line.
Sponsored By Hewlett-Packard (HP)
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Removing the barriers of distance and time
Learn more about implementing a web-based unified communications collaboration solution that includes audio and video, and outlines what should be considered before investing in this technology.
Sponsored By Hewlett-Packard (HP)
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Alcatel-Lucent Unified Communications Services
See how the HP Alcatel-Lucent Unified Communications Service enables real-time knowledge sharing from any location, using a suite of devices to increase employee productivity, job satisfaction and workplace performance.
Sponsored By Hewlett-Packard (HP)
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Top 10 Features of BlackBerry Enterprise Service 10 (whitepaper)
BlackBerry® Enterprise Service 10 is designed to help organizations like yours address the full range of Enterprise Mobility Management (EMM) challenges, spanning device management, security, unified communications, application management and more. In this document, you’ll find ten great reasons to choose BlackBerry Enterprise Service 10.
Sponsored By BlackBerry
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Mobile Unified Communications and Collaboration (UCC) on BlackBerry 10
BlackBerry® Hub brings mobile unified communications into a single user experience, synchronizing multiple sources of email, voice, IM, social feeds, calendar and PIM for easy access. In this webcast, find out more about the BlackBerry® 10 approach to mobile UCC today, and see where it’s headed in the months ahead....
Sponsored By BlackBerry
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Cisco Unified Communication Manager - Digit Manipulation
Review why we would need to modify either the calling-party or called-party number, or both, to accommodate the various dial-plans that a phone call might encounter. We will also reviewed the tools available to us, as well as the various locations the modifications can be performed, from within UCM. Cisco...
Sponsored By Global Knowledge
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Getting Started with Cisco Unified Communications Technologies
The shift from traditional telephony, based on circuits, to Unified Communications (or VoIP) began a number of years ago and continues to dominate the voice landscape today. While simply learning the details and mechanics of this "new world order" may sound like the most logical place to begin, many important...
Sponsored By Global Knowledge
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Get Certified - Avaya Communication Manager
The Avaya Professional Credential Program is designed to make sure that individuals have the knowledge and skills to successfully sell, design, implement (install), and maintain Avaya products. The program currently consists of Sales Authorizations (Avaya Professional Sales Specialist [APSS] and Avaya Professional Design Specialist [APDS]) and Support Certifications (Avaya Certified...
Sponsored By Global Knowledge
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IDC: Mobile Video Collaboration - The New Business Reality
The powerful combination of mobility and real-time video communications is further enhanced by the bring-your-own-device (BYOD) trend in mobility. This consumerization of IT brings to bear a number of new concerns about liability, privacy, and security. As a result, enterprise IT stakeholders are rapidly building a strategy for BYOD through...
Sponsored By Polycom
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The Art of Teleworking
There is a new class of workers out there - working from their homes nearly autonomously. Some call them teleworkers, some telecommuters. Armed with remote access to their corporate network, with toll-free numbers, VPNs and mobile phones, they escape traffic jams, bad weather, and high fuel prices, and are able...
Sponsored By Polycom
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Creating a collaboration culture throughout the enterprise: An adoption methodology
The enterprise imperative: successful adoption. This paper introduces an adoption methodology developed by Polycom and built on proven best practices and years of experience. The methodology is designed to ensure an enduser experience that is reliable and intuitive, and that makes collaboration central to how organizations meet their day-today business...
Sponsored By Polycom
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Video Collaboration in Education: Building a Foundation for the Digital Age
Video communication is becoming more common in education at all levels around the world, as the walls between classrooms disappear. This Center for Digital Education white paper shows how video collaboration is an essential part of the education environment that enables cost savings, engages students and creates a more productive...
Sponsored By Polycom
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Music Performance and Instruction over High-Speed Networks
High-speed IP networks are creating opportunities for new kinds of real-time applications that connect artists and audiences across the world. A new generation of audio-visual technology is required to deliver the exceptionally high quality required to enjoy remote performances. This paper describes how the Manhattan School of Music (MSM) uses...
Sponsored By Polycom
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Frost & Sullivan Market Insight: How Business Video Transforms Tele-Health
Key trends in Tele-Health to make the most of your enterprise video initiative. Tele-health ensures delivery of proper medical advice at the appropriate place and time. It is of immense help to a vast majority of population with inequitable distribution of resources. This is especially important, considering about 60 percent...
Sponsored By Polycom
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New Healthcare Vision: Collaborative video solutions improving care and reducing cost
Telemedicine. You know the term. You have heard the buzz, you have marveled at its potential, and now you marvel at how it brings you the stroke services of a neurologist that is 100 miles away. A unique confluence of events, timing and technologies are making the successful implementation of...
Sponsored By Polycom
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Collaborative Video: Delivering Better Care Coordination, Medical Education and Avoiding Unnecessary Re-hospitalizations
From programs that support case management, dental hygiene, to smoking cessation programs and others such as those that support mental and emotional well-being, communication is key. Enabling the patient and the healthcare team to freely communicate through live collaborative video whenever needed is vital in keeping the community connected and...
Sponsored By Polycom
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Telestroke Solutions
Telestroke is a form of telemedicine that enables emergency department physicians practicing in rural or remote areas to access and communicate with neurological stroke care experts. Stroke care experts can use video conferencing to visually assess the ability of a patient in performing specific tasks based on the NIH Stroke...
Sponsored By Polycom
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Unified Communication Manager - Class of Service
Class of Service is a way of controlling which phone numbers a phone, gateway, voicemail port, etc. has access to. By creating multiple partitions and multiple Calling Search Spaces (CSS), an administrator can control which devices can make long-distance or international phone calls or calls to any other phone number....
Sponsored By Global Knowledge
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Demystifying Unified Communications
To achieve UC and other next-generation benefits, companies must build the right foundation.
Enterprises have committed to IP telephony, and completing the conversion to VoIP is just a matter of time and money. VoIP equipment sales surpassed TDM in 2003, and Infonetics projects that 89% of worldwide enterprise voice...Sponsored By ShoreTel
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Using Voice over IP (VoIP) in Mobile Networks
Early in the last decade, service providers viewed VoIP as a threat to their traditional revenue streams. This has turned out to be true and is made possible by VoIP and the Internet, which is not distance-sensitive with respect to the cost of access. It is clear that VoIP will...
Sponsored By Global Knowledge
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Voice in the cloud: Microsoft Lync and Enterprise Voce SIP Trunking turns it on...
It could be argued that Microsoft Lync, the latest and potentially most significant Unified Communications (UC) offering has the most to gain from the accelerated growth of SIP Trunking in the UK. More specifically, whereby traditional voice platforms (I.e. PBX’s) have beefed up their own product with UC and see...
Provided By Gamma
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Top Considerations for a Unified Communications Purchase
A report from ZK Research provides relevant decision criteria to help organizations make the best Unified communications (UC) decision possible. Unified communications has been a continually evolving market for the past decade. UC was initially centered on voice over IP (VoIP) and unified messaging, but has expanded significantly over the...
Provided By Cisco Systems, Inc
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Four Steps to Understanding the Possibilities of Video for Your Organisation
More than half of communication efficiency is determined by tone of voice and body language, and many of these important nonverbal details are lost in email exchanges or conference calls. Face-to-face communication is more personal, building a higher level of trust, reducing confusion, and increasing accountability.
Of course in today’s...Provided By Cisco
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Overcoming the Challenges of Pervasive Video - Moving Video Collaboration to the Cloud
For several years now, video conferencing has remained a challenging technology to deploy, use, and manage for large corporations. Small and mid-sized businesses that want to use video collaboration have often been restrained by lack of financial wherewithal and internal IT resources. Expensive endpoints and infrastructure, complex management, and lack...
Provided By Blue Jeans Software
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Demystifying Unified Communications
While many organisations have already moved to IP telephony and generated some basic business benefits from network efficiencies, most have not yet taken the next step and achieved the integration required for unified communications (UC). Also, for organisations looking to upgrade from a standard telephony system, there are incredible benefits...
Provided By ShoreTel/NSC
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TMS320C6713 DSK Implementation of G.711 Coded VoIP Signal
The quality of speech signal over a VoIP system is degraded by various network layer problems which include jamming, jitter, packet loss. Different types of noises also degrade the quality of speech signal such as external noise and quantization noise. This paper improves the quality of VoIP speech signal affected...
Provided By International Journal of Computer Applications
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Design of Standard VoIP Spam Report Format Supporting Various Spam Report Methods
VoIP (Voice over Internet Protocol) services can be abused by spammers who send out commercial messages in bulk due to their cost saving effects. However, an effort to prevent spam has hardly been made in implementing VoIP system, so that a spam reporting system that collects various types of VoIP...
Provided By Science and Development Network (SciDev.Net)
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Cisco Unified Access Technology Overview: Converged Access
Today, less than 1 percent of things in the physical world are network connected. In the near future the growth of the Internet of everything (IoE), which Cisco defines as the convergences of people, process, data, and things, will make networked connections more relevant and valuable than ever before, creating...
Provided By Cisco
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Empowering IT Innovations and Reducing Complexity with Unified Access
Cisco has recently released a new set of unified networking and management platforms designed to bring consistency and continuity to all aspects of the campus network, from the wiring closet to WLAN controllers - and everything in between. Based on a new common ASIC that natively handles both wireless (LAN)...
Provided By Cisco
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What type of conference caller are you?
Suddenly realized you have been waiting on the line for a conference call to start for an age or that suddenly half way through no one is listening to you? Conference calls can be an effective way to save money and bring people together but how can you make sure...
Provided By Plantronics
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Implementation of VOIP Communication on Embedded Systems
In the development of VOIP technology, applications of real-time voice communication has corner into widespread use over the Internet. However, their over reliance on PC environment restricts the applying fields of most VOIP software, and embedded VOIP is one of these blind spots. The VOIP application in this paper sets...
Provided By IOSR Journal of Engineering
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Reliable Communication Over Internet Using VoIP
Internet telephony services are voice, fax, SMS applications that are transported via the Internet. The steps are originating a VoIP telephone call and media channel setup, digitization, packetization, and transmission as Internet Protocol (IP) packets over a packet-switched network. On the receiving side, similar steps there are many organizations like...
Provided By The World
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Active Timing Based Approach for Tracking Anonymous Peer-to-peer Network in VoIP
Peer-to-peer VoIP calls are popular due to their low cost and convenience. When these calls are encrypted and anonymized the network becomes a secured one. Tracing of the anonymous VoIP call users are important and the traced information about them should be sent to the server to know how long...
Provided By International Journal of Soft Computing and Engineering (IJSCE)
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Optimizing Update Interval of Gateways in VoIP Call Using TGREP
Telephony Gateway REgistration Protocol [TGREP] is a route registration protocol for telephone destinations on a gateway. TGREP allows PSTN gateways or soft switches to inform a signaling server called as Location Server (LS), of routes it has to the PSTN. These advertisements include fairly dynamic information, such as the Available...
Provided By IJCSMR
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Survey on Adaptive LMS Algorithm to Cancel Noise and Improve Audio Quality in VOIP
In this paper, the authors propose a technique through which noise in the communication system of VOIP can be eliminated and the quality can be improved to a great extend. VOice over Internet Protocol commonly refers to the communication protocols, technologies and the methodologies. VOIP mainly comprises all types of...
Provided By IJCSMR
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The Affects of Different Queuing Algorithms within the Router on QoS VoIP Application Using OPNET
Voice over Internet Protocol (VoIP) is a service from the internet services that allows users to communicate with each other. Quality of Service (QoS) is very sensitive to delay so that VOIP needs it. In this paper, simulation tool "OPNET Modeler version 14.0" is used to implement the proposed network...
Provided By Academy & Industry Research Collaboration Center
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Simulation Design and Performance Analysis for VoIP in Cognitive Radio Networks
Increasing popularity of VoIP systems has witnessed applications in emerging technologies like Cognitive Radio Networks (CRN). The stringent QoS requirements in VoIP coupled with complexities in CRN have initiated intensive research in the field of performance analysis and optimizations guided by simulation results. However, in the absence of any standard...
Provided By International Journal of Computer Applications
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10 Tips for Keeping Control of Online Meetings
Online meetings are like cars – they are everywhere nowadays, but not everyone knows how to drive them effectively.
"The best way to get better at online meetings is to participate in more of them."
This brief by Gihan Perera, founder of First Step Communications, provides 10 practical...Provided By Citrix Online
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Back-to-Back Networking for Traffic Characteristics on Digital Video Transmission System (DVTS)
Nowadays, real-time video communication is an increasingly popular application for real-time demonstrations and/or interactive teleconferences offering original quality and assuring smooth movement of the video with clarity of sound over an Intra-Domain and Inter-Domain network. Traffic characteristics analysis are needed to improve the quality service for real-time video communication systems....
Provided By International Journal of Information and Electronics Engineering
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Unified Communication Manager - Class of Service
Class of Service is a way of controlling which phone numbers a phone, gateway, voicemail port, etc. has access to. By creating multiple partitions and multiple Calling Search Spaces (CSS), an administrator can control which devices can make long-distance or international phone calls or calls to any other phone number....
Sponsored By Global Knowledge
-
Getting Started with Cisco Unified Communications Technologies
The shift from traditional telephony, based on circuits, to Unified Communications (or VoIP) began a number of years ago and continues to dominate the voice landscape today. While simply learning the details and mechanics of this "new world order" may sound like the most logical place to begin, many important...
Sponsored By Global Knowledge
-
Get Certified - Avaya Communication Manager
The Avaya Professional Credential Program is designed to make sure that individuals have the knowledge and skills to successfully sell, design, implement (install), and maintain Avaya products. The program currently consists of Sales Authorizations (Avaya Professional Sales Specialist [APSS] and Avaya Professional Design Specialist [APDS]) and Support Certifications (Avaya Certified...
Sponsored By Global Knowledge
-
Cisco Unified Communication Manager - Digit Manipulation
Review why we would need to modify either the calling-party or called-party number, or both, to accommodate the various dial-plans that a phone call might encounter. We will also reviewed the tools available to us, as well as the various locations the modifications can be performed, from within UCM. Cisco...
Sponsored By Global Knowledge
-
Using Voice over IP (VoIP) in Mobile Networks
Early in the last decade, service providers viewed VoIP as a threat to their traditional revenue streams. This has turned out to be true and is made possible by VoIP and the Internet, which is not distance-sensitive with respect to the cost of access. It is clear that VoIP will...
Sponsored By Global Knowledge
-
Alcatel-Lucent Unified Communications Services
See how the HP Alcatel-Lucent Unified Communications Service enables real-time knowledge sharing from any location, using a suite of devices to increase employee productivity, job satisfaction and workplace performance.
Sponsored By Hewlett-Packard (HP)
-
Betting on the future with Unified Communications
This white paper from Frost & Sullivan covers how unified communications (UC) technologies can help support communications and collaboration among distributed workers, and suggests innovative ways businesses and managers can use UC to improve processes and drive the bottom line.
Sponsored By Hewlett-Packard (HP)
-
Removing the barriers of distance and time
Learn more about implementing a web-based unified communications collaboration solution that includes audio and video, and outlines what should be considered before investing in this technology.
Sponsored By Hewlett-Packard (HP)
-
IDC: Mobile Video Collaboration - The New Business Reality
The powerful combination of mobility and real-time video communications is further enhanced by the bring-your-own-device (BYOD) trend in mobility. This consumerization of IT brings to bear a number of new concerns about liability, privacy, and security. As a result, enterprise IT stakeholders are rapidly building a strategy for BYOD through...
Sponsored By Polycom
-
The Art of Teleworking
There is a new class of workers out there - working from their homes nearly autonomously. Some call them teleworkers, some telecommuters. Armed with remote access to their corporate network, with toll-free numbers, VPNs and mobile phones, they escape traffic jams, bad weather, and high fuel prices, and are able...
Sponsored By Polycom
-
Creating a collaboration culture throughout the enterprise: An adoption methodology
The enterprise imperative: successful adoption. This paper introduces an adoption methodology developed by Polycom and built on proven best practices and years of experience. The methodology is designed to ensure an enduser experience that is reliable and intuitive, and that makes collaboration central to how organizations meet their day-today business...
Sponsored By Polycom
-
Video Collaboration in Education: Building a Foundation for the Digital Age
Video communication is becoming more common in education at all levels around the world, as the walls between classrooms disappear. This Center for Digital Education white paper shows how video collaboration is an essential part of the education environment that enables cost savings, engages students and creates a more productive...
Sponsored By Polycom
-
Music Performance and Instruction over High-Speed Networks
High-speed IP networks are creating opportunities for new kinds of real-time applications that connect artists and audiences across the world. A new generation of audio-visual technology is required to deliver the exceptionally high quality required to enjoy remote performances. This paper describes how the Manhattan School of Music (MSM) uses...
Sponsored By Polycom
-
Frost & Sullivan Market Insight: How Business Video Transforms Tele-Health
Key trends in Tele-Health to make the most of your enterprise video initiative. Tele-health ensures delivery of proper medical advice at the appropriate place and time. It is of immense help to a vast majority of population with inequitable distribution of resources. This is especially important, considering about 60 percent...
Sponsored By Polycom
-
New Healthcare Vision: Collaborative video solutions improving care and reducing cost
Telemedicine. You know the term. You have heard the buzz, you have marveled at its potential, and now you marvel at how it brings you the stroke services of a neurologist that is 100 miles away. A unique confluence of events, timing and technologies are making the successful implementation of...
Sponsored By Polycom
-
Collaborative Video: Delivering Better Care Coordination, Medical Education and Avoiding Unnecessary Re-hospitalizations
From programs that support case management, dental hygiene, to smoking cessation programs and others such as those that support mental and emotional well-being, communication is key. Enabling the patient and the healthcare team to freely communicate through live collaborative video whenever needed is vital in keeping the community connected and...
Sponsored By Polycom
-
Telestroke Solutions
Telestroke is a form of telemedicine that enables emergency department physicians practicing in rural or remote areas to access and communicate with neurological stroke care experts. Stroke care experts can use video conferencing to visually assess the ability of a patient in performing specific tasks based on the NIH Stroke...
Sponsored By Polycom
-
The Forrester Wave™: Room-Based Videoconferencing
In Forrester’s 39-criteria evaluation of videoconferencing solution vendors, we identified the seven most significant providers in the category — Cisco, Huawei, LifeSize, Polycom, Radvision, Teliris, and Vidyo - and researched, analysed, and scored them. Leaders that emerged have broad product portfolios with deep integration into unified communications (UC) infrastructure, while...
Sponsored By Polycom, Inc.
-
Top 10 Features of BlackBerry Enterprise Service 10 (whitepaper)
BlackBerry® Enterprise Service 10 is designed to help organizations like yours address the full range of Enterprise Mobility Management (EMM) challenges, spanning device management, security, unified communications, application management and more. In this document, you’ll find ten great reasons to choose BlackBerry Enterprise Service 10.
Sponsored By BlackBerry
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Mobile Unified Communications and Collaboration (UCC) on BlackBerry 10
BlackBerry® Hub brings mobile unified communications into a single user experience, synchronizing multiple sources of email, voice, IM, social feeds, calendar and PIM for easy access. In this webcast, find out more about the BlackBerry® 10 approach to mobile UCC today, and see where it’s headed in the months ahead....
Sponsored By BlackBerry
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Demystifying Unified Communications
To achieve UC and other next-generation benefits, companies must build the right foundation.
Enterprises have committed to IP telephony, and completing the conversion to VoIP is just a matter of time and money. VoIP equipment sales surpassed TDM in 2003, and Infonetics projects that 89% of worldwide enterprise voice...Sponsored By ShoreTel
-
The Affects of Different Queuing Algorithms within the Router on QoS VoIP Application Using OPNET
Voice over Internet Protocol (VoIP) is a service from the internet services that allows users to communicate with each other. Quality of Service (QoS) is very sensitive to delay so that VOIP needs it. In this paper, simulation tool "OPNET Modeler version 14.0" is used to implement the proposed network...
Provided By Academy & Industry Research Collaboration Center
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Steganography in Audio Files by Entropy Using FEC as Reed - Solomon of VOIP Streams
In this paper, the authors introduce a novel technique to identify the voice (active frames) and silent regions (inactive frames) of a speech stream very much suitable for VoIP calls. Thus here the proposed a better voice activity detection based on the entropy algorithm. High-capacity steganography algorithm for embedding data...
Provided By International Journal of Computer Applications
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Microsoft Presents: What's New in 90' Virtual 90 Minute Briefing
The presenter, a Microsoft Technology Specialist, will demo Microsoft Unified Communications (UC) solution set. The attendee will see a live demo of how UC can help the customers connect people, processes and information in real time, both in the office and on the road. The attendee will learn how the...
Provided By Microsoft Tips
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Top 10 Reasons to Start Using Web Conferencing
Web conferencing has been around for years now, and yet it seems that organizations still have some resistance to getting on the bandwagon. Web conferencing can potentially provide many benefits for the organization. Here are the top 10 reasons to take advantage of this great way to communicate and collaborate....
Provided By Microsoft Tips
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Expand Your Mail Server to Suit Your Needs: AXIGEN and Third Party Software Integration
Lately, more and more companies that rely on IT services have begun to understand the true benefits of network subsystem interaction. Some of the well established examples are already accepted as being the de facto way of doing things. To a lot of people, the Apache integration with MySQL or...
Provided By GECAD TECHNOLOGIES
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Smart Work Flow Powered by Delegated Administration
As centralization and information gathering techniques gain more and more popularity among medium and large corporations, resource management has become one of the critical practices that ensure productivity steadiness. Very often, the huge amount of information cannot be kept up to date by only one individual. When this occurs, the...
Provided By GECAD TECHNOLOGIES
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High Availability Messaging Solution Using the AXIGEN Mail Server, Heartbeat and DRBD
In today's business environments, they often hear the term 'High-availability'. Whether a hardware or software solution, they aim for redundancy at all levels, so as to maximize the availability of mission-critical services and operations. This white paper will discuss a high-availability solution for the AXIGEN Mail Server, using the Heartbeat...
Provided By GECAD TECHNOLOGIES
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Packetization and Silence Influence on VoIP Traffic Profiles
This paper presents an experimental study that extends the current knowledge of the VAD/DTX codec influence in the transmission rate. It considers the new GSM AMR codec as well as G.723.1 and G.729B. The type of the encoded frames ha4 been studied in order to determine the real bit rate...
Provided By Universidad de Sevilla
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SIP Authentication Scheme Using ECDH
SIP (Session Initiation Protocol), using HTML based call control messaging which is quite simple and efficient, is being replaced for VoIP networks recently. As for authentication and authorization purposes there are many approaches and considerations for securing SIP to eliminate forgery on the integrity of SIP messages. On the other...
Provided By Gebze Institute of Technology
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Nimsoft for Cisco VoIP Monitoring
The Nimsoft for Cisco VoIP (Voice over IP) solution monitors Cisco VoIP services and underlying infrastructure components in accordance with end-user's service level agreements. Components monitored include Cisco CallManager, Cisco Gateways and Gatekeepers, Cisco IP and ATA Phones, Cisco Routers and Switches, servers, firewalls, and more. All Cisco VoIP status...
Provided By Nimsoft
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Contact Center Unified Communications Market, Vendor and Product Guide
Unified Communications (UC) is a concept that has been in the market for more than 15 years but is not well understood by the majority of enterprise and contact center executives and managers. In the past 24 months, several contact center infrastructure vendors have adopted UC as their primary strategy,...
Provided By DMG Consulting
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Multipath Adaptive Packet Dispersion for Voice Applications
Conventionally packet switched networks are termed as IP networks having basic characteristics of directing the traffic over the best shortest path, where the application divides the stream into packets at the source and forwards them towards the destination. The transport of voice data as packets over IP based networks is...
Provided By Science Publications
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A Policy-Based Admission Control Scheme for Voice Over IP Networks
Voice and video transmission over telecommunication networks requires specific performance quality. If such quality is not maintained, the receiving end will then suffer-e.g., the received video freezes or there will be unacceptable delay in voice. Similarly, transmitting voice over IP networks will have the same challenge. With this in mind,...
Provided By Science Publications
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An Ontology Based-Policy for Deploying Secure SIP- Based VoIP Services
Voice services over Internet Protocol (VoIP) are nowadays much promoted by telecommunication and Internet service providers. However, the utilization of open networks, like the Internet, raises several security issues that must be accounted for. On top of that, there are new sophisticated attacks against VoIP infrastructures that capitalize on vulnerabilities...
Provided By University of the Aegean
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Performance Evaluation of a Flooding Detection Mechanism for VoIP Networks
The Internet based Telephony services (IPTel) are mainly exposed to set of vulnerabilities that inherited from the employed protocols such as TCP/IP and proprietary VoIP protocols. One of the most critical threats in this sensitive environments is considered the Denial of Service (DoS) attacks. The main concern of a mechanism...
Provided By University of the Aegean
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A Mechanism for Ensuring the Validity and Accuracy of the Billing Services in IP Telephony
The current penetration, but also the huge potential, of Voice over IP (VoIP) telephony services in the market, boosts the competition among telecommunication service providers who promote new services through many different types of offers. However, this transition from the closed Public Switched Telephone Network (PSTN) architecture to the internet...
Provided By University of the Aegean
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How Responsive Is Investment In Schooling To Changes In Returns? Evidence From An Unusual Pay Reform In Israels Kibbutzim
This paper uses a novel dataset to test the important theoretical prediction that the level of investment in schooling is increasing in the rate of return to education. The authors exploit a unique episode where different Israeli kibbutzim shifted from equal sharing to productivity-based wages in different years, resulting in...
Provided By National Bureau of Economic Research
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SureCall: Towards Glitch-Free Real-Time Audio/Video Conferencing
Global enterprises are increasingly adopting unified communication solutions over traditional telephone systems. Such solutions provide integrated audio/video conferencing and messaging services, and enable flexible working environments by allowing mobile and dispersed users to communicate and collaborate easily and efficiently. The ultimate goal of unified communications is to ensure a smooth...
Provided By Northwestern University
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A Comparative Analysis of the Perceived Quality of VoIP Under Various Wireless Network Conditions
This paper performs a comparative analysis of the perceived quality of (unidirectional, non-interactive) VoIP calls under various wireless network conditions (e.g., handover, high traffic demand). It employs the PESQ tool, E-model and auditory tests to evaluate the impact of these network conditions on the perceived quality of VoIP calls. It...
Provided By University of Crete