![]() 4ĭigital telephony's high-speed network requirements often necessitate a considerable front-end investment of resources and strategic planning. The University of Louisville, which by 2007 had transitioned completely to IP phones and emergency notifications, estimates that after an initial network upgrade it saves roughly $1.5 million annually on 10,000 broadband IP lines. 2Ī 2009 study of communications in higher education found higher employee satisfaction with digital voice, which led to higher evaluations of campus IT competence. ![]() IP phones unify data, voice, and video services, reducing costs and centralizing control with local IT instead of external companies. In order to support digital voice, an organization must have a robust data infrastructure and be comfortable with change in a core communications area. Despite this, at the institutional level VoIP presents a paradigm shift to the extent of becoming a bellwether technology. While home subscribers have likely made a conscious switch away from analog phone service, landline VoIP in an office context is often not obvious to those who use it. Residential and office IP phone service has been widely available since the mid 2000s. At the same time, IP phones are intricately interconnected with the existing telephone infrastructure, often using older-generation phone lines to initiate and terminate calls. IP phones differ from their analog counterparts in underlying connection infrastructure, provide additional features (transcribed voicemail to e-mail, SMS messaging and emergency notifications) and are typically less expensive to operate.
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