Slide 13-1 Physical Layer (contd) l Telephone systems n referred to as PSTNs (Public Switched Telephone Systems) n high coverage n for voice and data n low speed and high…
Increase Shipping Velocity with a Smaller Workforce while Improving Accuracy Vishal Choudhari Practice Director February 2010 • Introduction • Business Challenges •…
3-* Physical Layer (cont’d) Telephone systems referred to as PSTNs (Public Switched Telephone Systems) high coverage for voice and data low speed and high bit error rate…