they use an ip address instead of analog signals. Most people would instantly assume it is voice communications but in fact it is data communications mainly because it sends voice fragments over the internet via TCP/IP, hence the name voice over IP. Skype / Facetime: Skype and Facetime have allowed us to not only speak but also see people over the internet. These amazing things use both voice communications and data communications much like voIP does. Data sends these voice and video fragments over the
There are several types of mobile devices that are commonly used in today’s world. A PDA which is a personal digital assistant that can surf the web and has calendar and contact information as well. The PDA does not have cell phone capabilities. Smart Phones provides cellular network service and incorporates characteristics of a PDA into the device plus various other features. Smart
| | 5. Research the status of 3G and 4G cellular service by visiting www.itu.int and www.4g.co.uk and www.3gnewsroom.com. Prepare a report (one paragraph) on the status of 3G and 4G service based on your findings. Answer 3G network is very advanced smart phone which has a variety of functions such as web browsing, instant messaging, access to emails, it give you option and allows you to download music, these functions are also similar to the functions of the 4G. The difference between the two are that the 3g speeds can usually reach up around 3 mbps wheres as the 4g has an average speed around
If a person is unable to take a call or is already on the phone a voice mail allows the caller to record messages which can be accessed at your own convenience. Conference calling: Some business phones have conference-calling features to allow a number of people to participate in a call all at the same time. This is mostly just for business purposes and the call will keep going until all members have hung up. Call-management features: Systems offer various features for managing incoming calls. A useful feature is call transfer, which will allow you to transfer calls from your number to another.
The message contains a few paragraphs of text. Which of the following will be important to the process of making sure that Bob receives this email? B. Bob's incoming email server 3. According to this chapter, which of the following concepts happens in a modern-day, end-to-end voice call between two business telephones sitting in the same office building in the Unitied States?
1. Complete the table below with descriptions of at least two different features of a telephone system and how / when they would be used. Feature | How / when used | Answer phone | This allows you to leave a message for callers when you are unavailable giving them a time frame that you will respond the message they leave. It allows the caller to leave a concise message detailing who they are, why they have called and contact details. | Automated attendant (AA) / Interactive Voice response (IVR) | Is the system where there is an automated menu so that the calls can be directed to the correct extensions without the intervention of a person.
Routers R1 and R2 are directly connected via their serial interfaces and are both running the EIGRP routing protocol. R1 and R2 can ping the directly connected serial interface of their neighbor, but they cannot form an EIGRP neighbor adjacency. What action should be taken to solve this problem? Configure both routers with the same EIGRP process
The message contains a few paragraphs of text. Which of the following will be important to the process of making sure Bob receives the email? B. Bob’s incoming email server 3.) According to this chapter, which of the following concepts happens in a modern-day, end-to-end voice call between two business telephones in the same office building in the United States? (Choose two answers) C. The call uses both analog and digital electrical signals.
The system is encrypted and cannot be picked up on scanners meaning no one can tap into the network i.e. with another radio and listen into conversation amongst officers. There are currently over 100,000 separate units that use airwave. This device is able to transfer data, speech and images therefore enabling officers extra time not recurring to their station resulting in officers able to respond faster. Advantages- This Radio operates as such a mobile phone and a data terminal.
This man led to the cell phone development. “Doctor Mahlon Loomis was the first person to communicate through wireless atmosphere” (library.thinkquest.org). Originally cell phones were used as contractor phones and were mainly used by the government as police devices. Cellular phones also began their general use in mobile rigs which was mainly used in taxis, police cars and emergency vehicles for emergency situations. Truckers used a type of this technology to communicate with each other but it still was not available for general public use (answers.ask.com) Many technological improvements and advancements in society today have brought upon various gizmos that simplify lives.