Tutorials

Tutorials

VoIP QoS and Performance

  • Tutorial: VoIP ROI

    It is important to understand the elements of VoIP ROI before investing in an expensive VoIP system. This tutorial walks you through VoIP ROI basics, VoIP deployment and implementation costs, and how to build a business case for VoIP.  Continue Reading

  • VoIP implementation study guide

    Our study guides consist of quizzes packed with helpful resources to help you understand the answers. Test your knowledge of VoIP implementation and key concepts like echo and security in this VoIP implementation study guide.  Continue Reading

  • SIP tutorial

    Session Initiation Protocol (SIP) is becoming the signalling protocol of choice in the IP telephony, VoIP and unified communications (UC) industries. This comprehensive tutorial details the ins and outs of basic SIP operation, security, ...  Continue Reading

  • Voice over IPv6: Architectures for Next Generation VoIP Networks

    VoIP technolgies are not immune to system failures, from hacking to jitter, and these issues can present problems for companies who depend on their network. This chapter examines some of the issues that are faced by VoIP systems, focusing on those ...  Continue Reading

  • Disaster recovery and business continuity fundamentals

    The importance of disaster recovery and business continuity planning has been underscored in the wake of Hurricane Katrina, the Avian flu and 9/11. As important as maintaining continuous communications in a disaster is staying connected when random,...  Continue Reading

  • How to master VoIP bandwidth fundamentals

    No VoIP deployment is complete without first calculating how much bandwidth voice calls will usurp on your network. This guide explains the fundamentals of VoIP bandwidth.  Continue Reading

  • VoIP security testing fundamentals

    Testing your VoIP security system against all the threats that exist on the network can be a full time job. This guide documents how a VoIP system can be tested and suggest some of the available tools to use -- with a focus on fuzzing tools and ...  Continue Reading

  • VoIP performance testing fundamentals

    VoIP network performance testing can mean the difference between a VoIP system working at a high level QoS and a weak system that runs so poorly customers could take their business elsewhere. This guide discusses why it is important to run regular ...  Continue Reading

  • VoIP security fundamentals

    VoIP security is a challenge for IT staff because IP telephony brings with it not only the security problems of data networks but also new threats specific to VoIP. In this fundamentals guide, learn about network security threats and emerging IP ...  Continue Reading

  • Fast Guide: VoIP encryption

    Most enterprise organizations encrypt critical or sensitive data that transverses the public network. It's a no-brainer. Thus, encrypting voice and data packets transmitted over a VoIP network is also a given, right? Turns out, not so much. By and ...  Continue Reading

  • Planning for the IP call center

    Call centers are critical to business operations. Until recently, however, most enterprises have been dubious of VoIP quality, reliability and the soft benefits that make it so difficult to project and quantify ROI. Staying competitive demands ...  Continue Reading

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