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The SIP Trunking System

The SIP Trunking System

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Introduction

The cost of daily toll charges at Wallace Company has been on the sharp increase due to the use of the old public switched telephone with the PSTN connectivity (Flanagan, 2012). However, adopting of the SIP trunking system can by a greater margin lower the communication costs. SIP stands for Session Initiation Protocol and it is a protocol that is used to governor the flow of fax and voice calls with the help of VoIP (voice over internet protocol) which is currently among the best methods of transmitting calls (Yang, 2013). The VoIP system lowers the cost of communication because instead of transmitting voice signals over the old fashioned PSTN (Public switch telephone network) it transmits the signal using computer networks. SIP and VoIP are considered virtual ISDN lines because of their flexibility and reliability in service delivery (Shepard, 2005).

The replacement of the traditional PSTN with SIP can be done over the internet and such move first lowers the cost of both installing the ISDN infrastructure as well as PSTN gateways. For the success of the new system, the company has to install PBX gargets that are SIP enabled to allow fast and reliable connection to the internet.

When the SIP network is installed, the management will realize a solid and fast ROI (return on investment) through the lowered administration costs as well as the costs linked to voice calls that are made within the firm. This is attributed to the SIP trucking improving the VoIP beyond the LAN application. With this system, our main office will only be able to pay for what the company needs in terms of service and lines are only added when there is a necessity (Shepard, 2005). To add on that, once the system is installed maintenance costs are limited and therefore the cost of paying technicians upon visits are cut down by a much bigger margin. INCLUDEPICTURE “http://www.nhcgrp.com/hdphones_edgemarc/images/SIP_Trunking_Diagramx666wide.jpg” * MERGEFORMATINET

Figure 1. An illustration of how the SIP trunking system links its various components and works (Shepard, 2005).

Communication costs are reduced by a great margin since SIP trunks eliminate the need to purchase BRIs, PRIs, ISDN and even the local PSTN gateways (Shepard, 2005). This is for the reason that the voice call is transmitted via the internet connection to the ITSP and therefore the local PSTN is rendered useless. The cost of installation of the SIP trunking devices is extremely lower than the equivalent of PSTN. In terms of calculation, Wallace Company can therefore save up to 30% or even more on call expenses, and also an estimated 50% on line rentals (Flanagan, 2012).

The trunks are also flexible because the calls are no longer barred in terms of numbers due to reliance on the physical PSTN or ISDN or even the local BT exchange (Shepard, 2005). There is also line rationalization in the sense that SIP trunking provides an option of reducing the number of PBXs that require maintenance and it is even easier to regulate the firm’s numbers.

The cost of phone calls as well as call rates. An extra advantage is that internal communications between extensions and offices as well as international calls via the internet are free and an even much lower cost is incurred on rental costs for several users (Yang, 2013). In an event of a disaster, the call forwarding cost is also lower because it is easy to reroute calls to another location (Flanagan, 2012).

Similarly, there is also business continuity because the SIP trunks are flexible. The most important thing is the availability of data connection that will enable the Wallace company employees to log in to their SIP trunks from any available PBX anywhere(Flanagan, 2012). Most SIP service providing companies replicate their clients PBXs to their data centers and therefore the employees can use the phone system to utilizing alternative data connection from any location.

The use of the trunking technology also lowers the cost routing. The Internet protocol optimizes the efficiency of the SIP trunks for several service providers depending on the best available rates depending on time zone and geographical differences.

The technology too can allow IP to IP phone calls. This is done by creating a connection via the TDM connection as connections are made via the PSTN gateway. The ENUM (electronic number mapping system) uses DNS (domain name service) to combine a phone number to its specified SIP address allowing a telephone call to be transmitted via the internet instead of transmitting it via the costly PSTN (Flanagan, 2012).

Conclusion

After a critical numerical and economic analysis, from a technical point of view, it is very necessary to implement the SIP trunks and its installation which includes SIP capable devices, QoS , security as well as interoperability ensures that there are better results especially in terms of achieving outstanding voice quality (Yang, 2013). The technology will act as a cutting edge in terms of overcoming the geographical constraints and high costs invested in maintenance of the old fashioned PSTN communication system (Shepard, 2005). The IP and SIP are essential components in overcoming the geographical barriers that the company is currently experiencing. Working without the geographical and cost constraints ensure the company maximizes its profits and employees work efficiently without constraints and any client or employee is reachable anywhere in the world regardless of location provided there is an internet connection (Shepard, 2005).

References

Flanagan, W. A. (2012). The future of voice telephony and unifying communications. New York: John Wiley & Sons Ltd.

Shepard, S. (2005). Voice over IP crash course. New York: McGraw-Hill.

Yang, G. (2013). Proceedings of the 2012 International Conference on Communication, Electronics and Automation Engineering. Berlin: Springer.

The Significance of the Frontier in American History

The Significance of the Frontier in American History

By Frederick Jackson Turner (1893)

In a recent bulletin of the Superintendent of the Census for 1890 appear these significant words: “Up to and including 1880 the country had a frontier of settlement, but at present the unsettled area has been so broken into by isolated bodies of settlement that there can hardly be said to be a frontier line. In the discussion of its extent, its westward movement, etc., it cannot, therefore, any longer have a place in the census reports.” This brief official statement marks the closing of a great historic movement. Up to our own day American history has been in a large degree the history of the colonization of the Great West. The existence of an area of free land, its continuous recession, and the advance of American settlement westward, explain American development.

In the case of most nations, development has occurred in a limited area; and if the nation has expanded, it has met other growing peoples whom it has conquered. But in the case of the United States we have a different phenomenon. We have a recurrence of the process of evolution in each western area reached in the process of expansion. Thus American development has exhibited not merely advance along a single line, but a return to primitive conditions on a continually advancing frontier line, and a new development for that area. American social development has been continually beginning over again on the frontier. This perennial rebirth, this fluidity of American life, this expansion westward with its new opportunities, its continuous touch with the simplicity of primitive society, furnish the forces dominating American character. The true point of view in the history of this nation is not the Atlantic coast, it is the Great West.

The American frontier is sharply distinguished from the European frontier. The most significant thing about the American frontier is that it lies at the hither edge of free land. In the census reports it is treated as the margin of that settlement which has a density of two or more to the square mile. This paper will call attention to the frontier as a fertile field for investigation, and to suggest some of the problems which arise in connection with it.

The frontier is the line of most rapid and effective Americanization. The wilderness masters the colonist. It finds him a European in dress, industries, tools, modes of travel, and thought. It takes him from the railroad car and puts him in the birch canoe. It strips off the garments of civilization and arrays him in the hunting shirt and the moccasin. It puts him in the log cabin of the Cherokee and Iroquois and runs an Indian palisade around him. Before long he has gone to planting Indian corn and plowing with a sharp stick, he shouts the war cry and takes the scalp in orthodox Indian fashion. In short, at the frontier the environment is at first too strong for the man. He must accept the conditions which it furnishes, or perish, and so he fits himself into the Indian clearings and follows the Indian trails. Little by little he transforms the wilderness, but the outcome is not the old Europe. The fact is, that here is a new product that is American. At first, the frontier was the Atlantic coast. Moving westward, the frontier became more and more American. Thus the advance of the frontier has meant a steady movement away from the influence of Europe, a steady growth of independence on American lines. And to study this advance, the men who grew up under these conditions, and the political, economic, and social results of it, is to study the really American part of our history.

But with all these similarities there are essential differences, due to the place element and the time element. It is evident that the farming frontier of the Mississippi Valley presents different conditions from the mining frontier of the Rocky Mountains. The frontier reached by the Pacific Railroad, surveyed into rectangles, guarded by the United States Army, and recruited by the daily immigrant ship, moves forward at a swifter pace and in a different way than the frontier reached by the birch canoe or the pack horse.

The farmers advance came in a distinct series of waves. In Pecks New Guide to the West, published in Boston in 1837, occurs this suggestive passage:

Generally, in all the western settlements, three classes, like the waves of the ocean, have rolled one after the other. First comes the pioneer, who depends for the subsistence of his family chiefly upon the natural growth of vegetation, called the range, and the proceeds of hunting. His implements of agriculture are rude, chiefly of his own make, and his efforts directed mainly to a crop of corn and a truck patch. . . . He is the occupant for the time being, pays no rent, and feels as independent as the lord of the manor. With a horse, cow, and one or two breeders of swine, he strikes into the woods with his family, and becomes the founder of a new county, or perhaps state. He builds his cabin, gathers around him a few other families of similar tastes and habits, and occupies till the range is somewhat subdued, and hunting a little precarious, or, which is more frequently the case, till the neighbors crowd around, roads, bridges, and fields annoy him, and he lacks elbow room. . . . [H]e breaks for the high timber, clears out for the New Purchase, or migrates to Arkansas or Texas, to work the same process over.

The next class of emigrants purchase the lands, add field to field, clear out the roads, throw rough bridges over the streams, put up hewn log houses with glass windows and brick or stone chimneys, occasionally plant orchards, build mills, school-houses, court- houses, etc., and exhibit the picture and forms of plain, frugal, civilized life. Another wave rolls on. The men of capital and enterprise come. The settler is ready to sell out and take the advantage of the rise in property, push farther into the interior and become, himself, a man of capital and enterprise in turn. The small village rises to a spacious town or city; substantial edifices of brick, extensive fields, orchards, gardens, colleges, and churches are seen. Broad-cloths, silks, leghorns, crapes, and all the refinements, luxuries, elegancies, frivolities, and fashions are in vogue. Thus wave after wave is rolling westward; the real Eldorado is still farther on. A portion of the two first classes remain stationary amidst the general movement, improve their habits and condition, and rise in the scale of society.

The most important effect of the frontier has been in the promotion of democracy here and in Europe. As has been indicated, the frontier is productive of individualism. Complex society is precipitated by the wilderness into a kind of primitive organization based on the family. The tendency is anti-social. It produces antipathy to control, and particularly to any direct control. The tax-gatherer is viewed as a representative of oppression. Frontier conditions prevalent in the colonies are important factors in the explanation of the American Revolution, where individual liberty was sometimes confused with absence of all effective government. The same conditions aid in explaining the difficulty of instituting a strong government in the period of the confederacy. The frontier individualism has from the beginning promoted democracy. The rise of democracy as an effective force in the nation came in with western preponderance under Jackson and William Henry Harrison, and it meant the triumph of the frontier – with all of its good and with all of its evil elements.

So long as free land exists, the opportunity for a competency exists, and economic power secures political power. But the democracy born of free land, strong in selfishness and individualism, intolerant of administrative experience and education, and pressing individual liberty beyond its proper bounds, has its dangers as well as its benefits. The East has always feared the result of an unregulated advance of the frontier, and has tried to check and guide it. The English authorities would have checked settlement at the headwaters of the Atlantic tributaries and allowed the savages to enjoy their deserts in quiet lest the peltry trade should decrease.

The most effective efforts of the East to regulate the frontier came through its educational and religious activity, exerted by interstate migration and by organized societies. Speaking in 1835, Dr. Lyman Beecher declared: “It is equally plain that the religious and political destiny of our nation is to be decided in the West.” And, he pointed out, that the population of the West is assembled from all the States of the Union and from all the nations of Europe,

From the conditions of frontier life came intellectual traits of profound importance. The works of travelers along each frontier from colonial days onward describe certain common traits, and these traits have, while softening down, still persisted as survivals in the place of their origin, even when a higher social organization succeeded. The result is that to the frontier the American intellect owes its striking characteristics. That coarseness and strength combined with acuteness and inquisitiveness; that practical, inventive turn of mind, quick to find expedients; that masterful grasp of material things, lacking in the artistic but powerful to effect great ends; that restless, nervous energy; that dominant individualism, working for good and for evil, and withal that buoyancy and exuberance which comes with freedom – these are traits of the frontier, or traits called out elsewhere because of the existence of the frontier. Since the days when the fleet of Columbus sailed into the waters of the New World, America has been another name for opportunity, and the people of the United States have taken their tone from the incessant expansion which has not only been open but has even been forced upon them. He would be a rash prophet who should assert that the expansive character of American life has now entirely ceased. Movement has been its dominant fact, and, unless this training has no effect upon a people, the American energy will continually demand a wider field for its exercise. But never again will such gifts of free land offer themselves. For a moment, at the frontier, the bonds of custom are broken and unrestraint is triumphant. There is not tabula rasa. The stubborn American environment is there with its imperious summons to accept its conditions; the inherited ways of doing things are also there; and yet, in spite of environment, and in spite of custom, each frontier did indeed furnish a new field opportunity, a gate of escape from the bondage of the past; and freshness, and confidence, and scorn of older society, impatience of its restraints and its ideas, and indifference to its lessons, have accompanied the frontier. What the Mediterranean Sea was to the Greeks, breaking the bond of custom, offering new experiences, calling out new institutions and activities, that, and more, the ever retreating frontier has been to the United States directly, and to the nations of Europe more remotely. And now, four centuries the discovery of America, at the end of a hundred years of life under the Constitution, the frontier has gone, and with its going has closed the first period of American history.

The significance and differences in foreign currency exchange rates

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Currency Exchange Rate

In finance and economics, the term currency exchange rate refers to the amount and rate to which one nation’s currency can be exchanged for another country’s currency (O’Sullivan and Sheffrin 1). Put simply, it is the value of a currency in comparison to that of another. Currency exchange rate is in the heart of global economy, as it assures trade between two or more countries through the realization of a return on investment for companies that operate globally. Though currency exchange rates affect trade, they are also affected and influenced by a number of things, such as the interest rates, and the balance of trade (O’Sullivan and Sheffrin 21). Currency exchange rates, just like any other components of business, are greatly dependent on the economics of demand and supply. If the demand of one currency is higher than that of another currency, then the former is likely to be of a higher value than the latter.

This paper examines the significance and differences in foreign currency exchange rates. The paper also provides an explanation of how to convert the US dollar into the euro, as well as, the procedure of converting a payroll into a prevailing currency when operating a business in a foreign currency.

Significance of the Currency Exchange Rate

As previously mentioned, currency exchange rates affect international trade, and for that reason, they are considered the heart of globalization. Accordingly, currency exchange rates are important because they regulate the level of import and export in countries (O’Sullivan and Sheffrin 4). This, in turn, determines how rich or poor a country will be in the long run. In essence, if a currency appreciates imported goods are automatically expensive in the global market and cheaper in the local market. This then means that a country will benefit from its exports, as the country’s currency rate makes it competitive in the international market.

Differences in Foreign Currency Exchange Rates

Foreign currency exchange rates differ in value, with the larger economies benefiting by having a high value in their currencies (O’Sullivan and Sheffrin 451). The differences in foreign currency exchange rates are dependent on the demand and supply of the currency. If there is a high demand for a currency, the currency will be of a higher value than when the demand is low.

Converting the US dollar into a Euro

When converting one currency to another, one must first consider the stock exchange rates of these two currencies so as to determine how much of one currency will be exchanged for another. The current exchange rate for the US dollar in relation to the euro is €0.7624 per Dollar rate or $1.3116 per Euro rate (fx-rate.net 1). For that reason, exchanging $50 would equal €38.12. Notably, the euro is of a higher value than the US dollar.

Converting Payroll

Converting payroll into foreign currency is one of the hardest tasks that businesses are faced with. Before converting the payroll, the business needs to be conversant with the requirements of the foreign country such as taxes, currency differences, pensions, as well as, social insurance contributions (Weiss 1). The process for conversion is the same as that of converting money in the bureau. If the foreign currency is higher in value than the local currency, then employees will be paid less as opposed to if the foreign currency is lower in value. The amount of money to be compensated to employees will however be dependent on the labor laws in the foreign country.

Work Cited

“Dollar to Euro Conversion Table”. fx-rate.net, 7 February 2012. Web. 7 February 2012.

<<http://fx-rate.net/USD/EUR/>>

O’Sullivan, Arthur and Steven M. Sheffrin. Economics: Principles in action. Upper Saddle

River, New Jersey: Pearson Prentice Hall. 2003. Print.

Weiss, Darryl. Opening in a Foreign Currency. globalhrnews.com, nd. Web. 7 February 2012.

<<http://www.globalhrnews.com/story.asp?sid=158>>