Smart phones are very prevalent in toadies society. Used by many for entertainment such as games, movies, video, SMS text messaging, pictures, and movie making. Voice calls, call forwarding, call waiting, and caller ID are still available. Some features of today’s phones, including smart phones, are:

· Email Retrieval

· Instant Messaging

· Internet Browsing

· Camera and Video Recording

· Wireless Modem

· Voice Activated Dialing

· Polyphonic and mp3 ringtones

· Bluetooth enabled

· Application downloads

· Document downloads

With business phones and Smart phones converging. a single phone number and identification can be used for the phone.

 

Limits on technology

Approaching technology limits

Current Communications Technologies

MIMO-OFDM

3G, LTE

Current Technologies