• SIP school: A to Z on SIP

    Whether you're an end user or an IP network engineer, this primer will help you clear a strategic path to SIP. You'll uncover some of the relevant services and solutions that SIP can provide for the enterprise. Additionally, you'll learn what IT ...  Continue Reading

  • VoIP billing and tracking

    What are your options for keeping track of VoIP calls made in your organization? How can you manage the billing process? In this tip, we profile your options, including software-based tracking and billing, hosted solutions and outsourcing.  Continue Reading

  • Planning VoIP deployment

    Barrie Dempster discusses management of the VoIP PBX and proposes that it be treated as another service managed by network administrators. He also documents how voice connectivity relates to data networks and how to effectively and securely ...  Continue Reading

  • Why you need to learn VoIP for your Cisco certification

    Because of the increasing importance of VoIP and Cisco's growing emphasis on it, the networking giant has increased the significance of VoIP in its certification exams. In this tip, David Davis looks at the VoIP focus in popular Cisco certifications...  Continue Reading

  • VoIP echo elimination: Leaks, loudness and delay

    Echo cancellers are the easiest and quickest way to eliminate echo on VoIP. But there are several other things you can and should do to eliminate or avoid echo, depending on your environment and budget. In this tip, you'll gain an understanding of ...  Continue Reading

  • Asterisk in the enterprise: Benefits and best practices for business deployment

    Asterisk, the open source IP PBX, boasts a full range of features, functionality and friendliness to support a variety of needs and circumstances. This article highlights a few of those high points and lends perspective to the level of maturity ...  Continue Reading