Voice over IP

Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.

Digital video broadcasting – handheld

DVB-H (Digital Video Broadcasting - Handheld) is one of three prevalent mobile TV formats. It is a technical specification for bringing broadcast services to mobile handsets.

28. Using the information above work in pairs. You are going to compare convergent services with traditional ones. Use the key words and phrases to help you. You may draw pictures and diagrams to explain your point.

Key words and phrases.

Digital video broadcasting

Voice over IP

IPTV

Session Initiation Protocol

IP Multimedia Subsystem

Location-based services

Mobile-to-mobile convergence

Fixed-mobile convergence

Video on demand (VOD)

Mobile TV

Smart TV

UNIT 2

MOBILITY

1. Read the text.

What is a mobile device?

A mobile device is basically any handheld computer. It is designed to be extremely portable, often fitting in the palm of your hand or in your pocket. Some mobile devices are more powerful, and they allow you to do many of the same things you can do with a desktop or laptop computer.

2. Look at the list of devices. Which of them are mobile and which are not? Explain your choice using ex.1.

Desktop computer, TV-set, smartphone, camera Canon, e-reader, router, tablet computer, laptop computer, monitor.

3. What can you do on the move?

On the move I can do many things. For example, I can … on the move using ….

(Make phone calls, send and receive e-mails, listen to music, read books, check public transportation schedule, search Web, take photos, buy something, watch videos).

4. Here are the words and word combinations you have to learn.

allotment, backlit, boot up, cell service, consume, convenience, data plan, durable, e-paper display, e-reader, eye strain, feature, fit, free update, handheld computer, LCD, mobile OS, monthly fee, mouse pointer, palm, portable, purchase, refresh rate, smartphone, solid-state drive, tablet computer, touchpad, touch-sensitive, versatile, virtual keyboard, washed out.

5. Read the text.

Mobile Devices