1. Cell phones
a. Cell phones are on a voice network for the most part
b. Cell phones do use data services.
c. Cellphones can access networks for internet an voice
2. Landline Phones
a. This is a Voice network
b. No power is needed to use this network
c. The network actually builds electricity why moving thought the house
3. SMS/Text Messaging
a. SMS (Short message service) is a mechanism of delivery of short messages over the mobile networks.
b. It is a store and forward way of transmitting messages to and from mobiles.
c. The message (text only) from the sending mobile is stored in a central short message center (SMS) which then forwards it to the destination mobile.
4. Fax Machine
a. Voice, although the two are becoming one and the same thing to a certain extent now.
b. Internally all the large telephone companies are switching to unified data networks to carry all of their traffic, and tweaking the parameters for best results with each distinct type of traffic going onto the network.
c. Fax Machines are not used nearly as much as email is used today
5. Pagers
a. A way to notify individuals of incoming calls by a tone, it uses a data signal.
b. Was also used to relay short messages to doctors in hospitels
c. Was only capable of receaving signals not capable of sending them again.
6. VOIP (voice over IP) Phones
a. Uses digital technology to make phone calls on the Internet rather than through phone lines.
b. A VoIP phone allows us to bypass the phone companies completely.
c. It uses data networks
7. Skype/Face time
a. You must have a data network. In order to get on the Internet to use these services.
b. These two services are both Internet calling applications.
c. The main purposes of these applications are to allow users to communicate with other people over the