'Private branch exchange pbx' presentation slideshows

Introduction to Communications and Networks ECI-2-830

Introduction to Communications and Networks ECI-2-830. Dr. Vincent Siyau. Communication System Model. Off hook now !!. A Simple Telephone. On hook now !!. A More Realistic Telephone. Signalling in Telephone Network. LE: Local Exchange (i.e., Central Office). Dual tones for each key.

354 views • 21 slides

Due to the use of mobile devices such as smartphones, tablets have made a great impact on small and medium businesses. These days many organizations have adopted advanced technology i.e cloud-based communication technology which has changed the way to working and enhanced their productivity...

67 views • 6 slides