2.  Public Switched Telephone Network ◦ 100 years ◦ 1982 AT&T monopoly broken  Competition entered telephony  Car phones system  Cellular system  Satellite system  VoIP  Wifi

3.  Voice over the Internet Protocol (IP) ◦ Vonage  A viable service  Being attacked by at@t, Verizon, others ◦ Sun Rocket  went broke 2007 ◦ Ooma (just introduced Thursday last week) ◦ Verizon ◦ at&t

4.  What do you need for equipment? ◦ regular telephones ◦ ATA (analog terminal adapter) ◦ Broadband connection to the Internet  Modem  Cable  DSL  Satellite  Computer ◦ Skype Skype ◦ Softphone Softphone

5.  Internet Protocol used to transport ◦ Data ◦ Voice ◦ Images, include today – TV called (IPTV)  Electrical signals ◦ Chopped up into chunks ◦ Converted to binary (zeroes and ones) ◦ Packaged as frames of bits ◦ Delivered over media using the Internet Protocol

6.  Data  Voice ◦ Voice over IP (VoIP)  Image ◦ TV over IP (IPTV) ◦ Fax over ip (FoIP)  Soon ◦ Cellular systems could use VoIP

7.  Protocols not yet IP ◦ GSM (becoming world standard) ◦ CDMA ◦ EV DO ◦ PCS ◦ Iden ◦ others Capabilities – Telephone – Internet Access – Text Messaging – Music – Calendars – Pda – Watch movies

8.  Telephone ◦ Cellular ◦ WiFi  Internet ◦ Internet Access ◦ Text Messaging ◦ Music ◦ Calendars ◦ Pda ◦ Watch movies

9.  All of this boils down to communications ◦ Increase availability to all ◦ Work productivity ◦ Emergency assistance ◦ Bottom line CONVIENENCE  What is next?