Network Planning and Testing for IP Telephony

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  • IP telephony QoS: VoIP traffic management and prioritization

    When conventional solutions don't improve IP telephony QoS issues, VoIP traffic management can help. Learn how to prioritize VoIP traffic, address voice delay and provide Class of Service-based routing. 

  • IP telephony QoS: Capacity planning and management

    Poor or irregular IP telephony QoS levels should alert voice managers to review network traffic, capacity, and traffic management measures before problems spread to all applications on the network. 

  • Legacy devices and analog telephone lines still useful, despite VoIP

    Supporting legacy devices and analog telephone lines will be part of your due diligence well into the foreseeable future despite the high rate of VoIP and IP telephony deployments. Find out which legacy interfaces you can expect to use in the future ... 

  • BT's SDK for do-it-yourself VoIP apps

    BT's SDK takes the complexity out of VoIP application development. 

  • VoIP traffic: Five steps to prepare your network

    VoIP traffic is much more sensitive to latency, jitter and packet loss than most network applications. It is crucial that you ensure that your network is ready to handle this new demand. In this tip, learn how VoIP will affect your network and the to... 

  • VoIP bandwidth: Calculate consumption

    The bandwidth needed for VoIP transmission depends on compression technology, packet overhead and the network protocol used. In this tip, learn how to calculate how much bandwidth your VoIP implementation will need. 

  • VoIP bandwidth -- Rightsize your WAN for voice traffic

    Up-front rightsizing and WAN bandwidth capacity planning are critical aspects of VoIP, and should be done prior to deploying an MPLS network or implementing VoIP. This tip provides advice for conducting a voice traffic study that will consider peak c... 

  • VoIP maintenance: Creating a schedule for patches and upgrades

    VoIP systems fall under the same type of maintenance guidelines as other networking equipment. In this tip, learn guidelines and best practices for scheduling your VoIP systems maintenance. 

  • 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 implement... 

  • Migrating to MPLS

    As more organizations begin to take advantage of providers' MPLS offerings, network engineers must learn how to prepare their current networks for transition. This tip explains basic MPLS implementations and shows you some common configurations for M... 

  • See more Tips on Network Planning and Testing for IP Telephony
  • Power over Ethernet podcast

    This podcast discusses the emergence of Power over Ethernet and its many benefits to enterprise networks. Is the technology ready yet for mainstream adoption? Is it ready yet for your network? Let's find out… 

About Network Planning and Testing for IP Telephony

Preparing the network for IP telephony is essential to a successful migration – most IP telephony problems, like jitter, latency, and echo, are due to network deficiencies. Here you'll find tips and advice about best practices for determining network requirements and testing and evaluating your network prior to a VoIP rollout.