- Digital technology in the telephone network is nothing new. - Herein lies an important difference between the characteristics of the two methods of transmission. - aspect of the telecommunications business.. - of coding schemes in the industry.. - Fill in the blanks with suitable noun form of the given words.. - This process seized the trunks in all of the switching system involved. - Hence, if the terminating end was busy, all of the trunks were set up unnecessarily. - Give the full form of the abbreviations.. - Below are some of the objectives of the Biarritz project as defined by the French Telecommunications Administration. - Winning a large part of the fast-developing optical fibre market.. - Defining the applications of the videophone in order to produce commercially viable systems.. - Obtaining the necessary technical know-how to enable installation of the equipment in a natural environment rather than in a laboratory.. - Observing how use of the videophone changes people’s behaviour (for example, letter writing or visiting friends) in order to produce high-quality non-expensive systems.. - A PABX can normally be easily upgraded through software modifications to provide new facilities for the office of the future. - A PABX can normally be easily upgraded through software modifications to provide new facilities for the office of the future.. - Most transmission in the local exchange plant is.... - Fill in the blanks with suitable words.. - Read the sentences about ATM carefully then give the full form of the verbs in brackets.. - more efficient, because the header would take up a smaller percentage of the total cell. - to the. - Give the full form of the words.. - take place in the opposite direction. - in manholes in the street.. - Attenuation is the reduction of signal strength or light power over the length of the light- carrying medium. - Fill in the blanks with suitable form of the suggested words.. - to produce in the past than optical fibre.. - cladding diameter - the outside diameter of the cladding glass region.. - Cladding diameter tolerances control the outer diameter of the fiber, with tighter tolerances ensuring that fibers are almost exactly the same size. - Some manufacturers are able to control the tolerance of the cladding to a level of μm. - Core/ clad concentricity is determined during the first stages of the manufacturing process, when the fiber design and resulting characteristics are created. - Fiber curl - the outside diameter of the cladding glass region.. - Cladding diameter tolerances control the inner diameter of the fiber.. - Fill in the blanks with suitable words from the box.. - ADSL succeeds because it takes advantage of the fact that most of its target. - HISTORY AND REGULATION OF THE TELEPHONE INDUSTRY. - by the turn of the century there were approximately 6,000 of them, and these 6,000 provided service to some 600,000 subscribers.. - Therefore, it was necessary for a subscriber to have two or three instruments to communicate with the total population of the city. - The telecommunications is considered one of the most important infrastructure industries of the national economy and also an effective measure for the leadership of the Party and State. - In the coming 10 years, the development speed of telecommunications industry must be doubled to the general speed of the national economy.. - High safety to assist e-commerce and globalisation trends of the global economy. - POLICIES SET FOR THE DEVELOPMENT OF THE TELECOMMUNICATIONS IN VIETNAM. - in the Internet market, there are 1IAP and 5 ISPs.. - The opening of the local telephone, mobile communication and Internet market, specifically besides VNPT.. - How many main policies were set for the development of the telecommunications in Vietnam? What are they?. - switching as: “the establishing, on demand, of an individual connection from a desired inlet to a desired (5. - This handoff was from the CO of the LEC to the point of presence (PoP) of the IXC. - This PoP could be in a building adjacent to the telco's CO, or it could be in some convenient site in the suburbs where it could serve several of the telco's COs. - new hierarchies in the long-distance part of the network were being applied on top of the old one.. - One of the keys to successful management.. - The switch itself responded to the dial pulses of the rotary dial.. - The crossbar system was still electromechanical in nature, but the intelligence of the system was separated from the actual switch. - Hence only a part of the switch was electronic. - Then a very smart computer seizes a channel heading in the general direction of the destination, and that packet of data is transmitted at very high speeds. - How much is the efficiency when neither of the speakers is talking or when there is silence between words?. - From the start, great expectations were attached to the success of the SPC nodes. - simple handling of the equipment;. - Choose the appropriate form of the words to complete the sentences.. - One of the first persons to note that the computer is malfunctioning is the computer. - Digital telephony began to take hold after the development of the transistor in 1948. - The development of the transistor e. - the 136/ TTg Decision relating to the establishment of the National Coordination Board, the Board quickly published a system of 10 legal documents directly related to guidance on implementing the 21/ CP Decree. - Decision relating to the establishment of the National Coordination Board. - Fill in the blanks with suitable form of the words.. - They operate be using the voice-frequency band of the twisted-pair facility to transmit data, using frequency shift keying (FSK) or quadrate amplitude modulation (QAM) transmission techniques.. - As the name implies, rate-adaptive DSL (RADSL) modems adjust the data rate to match the quality of the twisted-pair connection. - Two twisted pairs of wires are used, with half of the traffic on each pair. - It adjusts the data rate to match the quality of the twisted-pair connection.. - Eventually, all systems may find it beneficial to use shared links in portions of the access network. - Complete the text with suitable forms of the given words.. - Because all system components are peripherals of the CompactPCI bus, individual components may readily be replaced without causing disruption to the system as a whole.. - solve) have answered many of the arguments against them, but objections will be raised in some quarters. - It offers the best of both worlds (i.e., the opportunity to develop complex systems in a cost-effective manner while addressing the issues of reliability that are raised against the PC world).. - User A then dials the number of the London office, and the gateway server transmits the (digitized, IP- packetized) call over the IP-based wide-area network (WAN) to the gateway at the Geneva end.. - The increasingly heavy use of the Internet’s limited bandwidth often results in congestion which, in turn, can cause delays in packet transmission.. - Network reliability and sound quality also are functions of the voice-encoding techniques. - of the order of 3. - Find a word which means the opposite of the following words and expressions. - Some of them are found in the text.. - What are the uses of the telephone that you can find in the passage?. - The radio spectrum, from 3 KHZ to 300 GHz, is one range of the electromagnetic spectrum (infrared, visible and ultraviolet light, and X-ray frequencies are other ranges). - Second, systems were also designed to locate particular subscribers by paging them in each of the cells. - In Europe, the selected scheme was an adaptation of the TDMA used in the United States, and it was called group special mobile. - This is a result of the vast distance and the time it takes for an electrical signal to make an earth-satellite-earth round trip. - Because of the speed of the satellite, it is frequency necessary to hand off a particular call to a second satellite just rising over the horizon. - Give the full forms of the abbreviations.. - The systems were designed to locate particular subscribers by paging them in each of the cells.. - Fill in the blanks with suitable prepositions.. - Approximately one third of the earth’s surface is covered by an. - Fill in the blanks with suitable numbers.. - Approximately one fourth of the earth’s surface is covered by an antenna with global radiation.. - The reduction of signal strenth or light power over the lenth of the light-carrying medium.. - Cladding diameter - the outside diameter of the cladding glass region.. - Cladding diameter tolerances control the outer diameter of the fiber.. - By the turn of the century there were approximately 6,000 independent telephone operating companies in the country. - AT&T became the official name of the company at the end of 1899.. - The telecommunications is considered one of the most important infrastructure industries of the national economy and also an effective measure for the leadership of the Party and State.. - From the CO of the LEC to the point of presence of the IXC.. - In a building adjacent to the telco's CO, or in some convenient site in the suburbs where it could serve several of the telco's COs.. - Simple handling of the equipment. - Find a word which means the opposite of the following words and expressions.. - Approximately one third of the earth’s surface is covered by an antenna with global radiation.