Analog Connectivity Analog transmission – using some property of the transmission media to convey a signal. As you speak into an analog phone, the voice is converted into electricity. Analog transmission uses the properties of electricity to transmit signals.  Analog signaling: Loop start. The phone has 2 connections – tip and ring. When the phone … Continue reading CCNA Voice Summary – Part 2 →

Introduction to VoIP Why Use VOIP Cost Savings: reduced wiring - one single cable for both phone and computer; reduced telecommuter costs since they connect to the HQ via internet; Free long distance between branches and HQ; Single inbox for voicemail, fax and email using unity connection; Saves office space using extension mobility; Open architecture … Continue reading CCNA Voice Summary – Part 1 →