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The shift from traditional telephony, based on circuits, to Unified Communications (or VoIP) began a number of years ago and continues to dominate the voice landscape today. While simply learning the details and mechanics of this "new world order" may sound like the most logical place to begin, many important logical concepts can get left out without an understanding of traditional telephony. This vital area of Cisco's advanced technology portfolio is rich with learning opportunities as well as demand for that skillset in the marketplace. Gaining experience in this cutting-edge subject can effectively carve out a great niche for any ambitious network professional.
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