Based on the Takahashi et al. (2007) article, what characteristic of a mesh network is important to the experiment? What are the pros and cons of employing this emergency communications design within an area of the U.S. prone to natural disasters?

Use Short Answers to Explain the Difference Between:

o Rotary and Dual Tone Multi-frequency (DTMF)
o Wide Area Telecommunications Service (WATS) and leased lines
o Private Branch eXchange (PBX) and Centrex
o The layers of the International Organization for Standardization-Open Systems Interconnection (ISO-OSI) model Riordan Manufacturing Telephone and Data Network (Service Request) Telecommunication Systems at 4 T's.