VoIP and IP telephony

A strong unified communications strategy starts with voice technology. Explore all facets of enterprise telephony, including hardware and devices, architecture, and standards and protocols like SIP and H.323.

VoIP and IP telephony News

  • June 13, 2022 13 Jun'22

    Cisco adds calling during internet outages to Webex

    Cisco will make Webex Calling less reliant on internet connectivity to increase its appeal to healthcare and other industries requiring a highly reliable phone service.

  • April 22, 2022 22 Apr'22

    Microsoft bolsters Teams Operator Connect options

    Microsoft plans to bring more telephone companies into its Teams Operator Connect program. The initiative pairs telcos with integrators experienced with Teams telephony.

  • November 30, 2021 30 Nov'21

    Zoom to blur lines between video, phone meetings

    Zoom Phone head Graeme Geddes said the lines between video meetings and phone calls will blur, allowing workers to choose the best communication tool for their needs.

  • August 05, 2020 05 Aug'20

    SIP phones support coming to Microsoft Teams

    Microsoft plans to add SIP phone support to Teams next year. The move will significantly increase the phone options for enterprises using the cloud-based collaboration service.

VoIP and IP telephony Get Started

Bring yourself up to speed with our introductory content

  • sound wave

    A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water or any other liquid or solid matter) as it propagates away from the source of the sound. Continue Reading

  • VoIP gateway vs. PBX: What is the difference?

    When calls are transmitted over a VoIP gateway, voice data packets are assembled at the edge of the network. An IP private branch exchange uses a much different model. Continue Reading

  • microphone

    A microphone is a device that translates sound vibrations in the air into electronic signals and scribes them to a recording medium or over a loudspeaker. Continue Reading

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