Monthly Archives: September 2017

Whole World of Network Options With Network Unlock Code

A network unlock code can help you connect with the world through your cell phone by choosing from a whole range of service providers. If you own a locked cell phone, you are restricted to using the services of a specific service provider or mobile service carrier. This means you will have to limit yourself to the services the provider allows you to use. If however, you use a network unlock code, you have the flexibility to compare offers and packages of various service providers and select one, which is most suited to your requirements.

There are a number of mobile service providers in the market that are in competition with each other. They compete on a range of features that include:

Cost
Most networks provide mobile service packages concerning call rates and SMS bundles. All have some variation but they all aim to give the best value for the cost they are charging from their customers. Most mobile service providers portray themselves to be charging a low price because people like to use affordable mobile network connections. If your phone has an unrestricted provision of changing the SIM it operates on, then you can select a network, which offers the best rates for the services you desire to use.

Coverage
Network signals and connectivity are important elements that influence you as a user in selecting the best network for yourself. If you own a locked phone, you do not have the control on this element as you are bound to use the services of a particular service provider. If however, you have unlocked your phone by using a network unlock code, you are now free to purchase and use the SIM of that mobile service provider who has the greatest coverage in your city or country!

Connectivity and Quality
Voice clarity is one of the basic elements that determine the quality of services of a mobile service provider’s network service. If you cannot hear your caller clearly or your caller is unable to understand your speech, the whole purpose of owning a cell phone goes down the drain. With a locked phone, you have to bear with the quality your particular service provider provides you. If you own a phone that is free to operate on any network, then you can select the one, which has the best connectivity and quality of service.

Other Perks
Due to the competition, different networks announce special packages for their customers that may include free minutes, free SMS, lower call rates or SMS rates during specific hours, etc. Having used a network unlock code so that your cell phone can operate on any network you want, you can enjoy these various perks that are offered by different service providers.

A Voice T1 For Your Business Communications

How a T1 Works

A T1 consists of 24 digital channels. These channels are flexible and can be used by anyone when they are free. A voice T1 can have both incoming and outgoing traffic on it. This means that you can convert your main telephone line to your T1 to provide more availability of incoming calls. The T1 channels are also used for outgoing calls. The next available line is used for making a call. All the telephone users share these lines. This flexibility makes much better utilization of the lines.

Companies can also take advantage of DID (direct inward dial) service. Purchase a bank of DID numbers and you can assign them to specific telephones in your company. For pennies a month your employees can enjoy the benefits of having their own phone number so that clients may reach them directly. This can also take some of the burden off your attendant. The T1 channels are used for both incoming and outgoing calls as needed. When deciding on the amount of T1s needed always allow for 10% growth or more if you are aware of upcoming peaks in your service.

Price

Your company can save thousands of dollars per year when you switch from regular voice lines to a T1. The price of a T1 has come down recently partly due to the fact that most central office locations have already converted to digital infrastructure. Pricing is also competitive as more vendors offer T1 products to their customers. Because of its configuration a T1 is much more flexible than standard telephone lines and allows for more usage over the same amount of circuits.

A typical rule of thumb is to allow one T1 for each 50 to 100 employees. This is for standard voice service. If your business is phone intensive or if you operate a customer service center your needs may be increased. To determine the proper amount of T1s for your business you should first find out your current line usage. These reports are often available from your phone vendor. An engineer can often assist you in determining the correct amount of T1s for your specific application. Once the T1 is installed there are usually various usage reports that you can request which will help you to see if you are getting the best use of your T1 and whether you need to add an additional T1.

Speed

A voice T1 transmits at a speed of 1.544 Mbps. This large bandwidth allows for instantaneous connections and clear, crisp sound. A T1 can carry more than 190,000 bytes per second making it faster than most standard modems. Any application can be run over a T1. As new applications become available they too can use the T1. Almost all digital data flows over fiber optic cables. The T1 may be brought to the location using copper wires and then put on fiber cables to run to your telephone room. The T1 is terminated onto a smart jack. This in turn is extended into your telephone system where the T1 is configured in routing.

Digitization Antiquated

Notwithstanding all these new strategies for correspondence, the quintessential one for genuine improvements be it casual glad news or essential arrangements is still telephone voice calls. It is not by any means clear if it has survived this long on custom alone, given this technique for communication has seen less specialized updates in the engine in versatile history when contrasted with our quickly advancing internet services.

Wi-fi Call Services

Wi-fi calling is maybe the most prominent of the option web based administrations these transporters started pushing out. Wi-fi-calling is straightforward on a shallow level: it just uses Wi-Fi to give better cell phone scope. This is maybe the best advantage which implies that wherever there is Wi-Fi, you’ll have the capacity to have voice discussions at a much less expensive cost. This has an immense effect for the conceivable nature of voice calls, and administrations which can be quickly observable to the individuals who utilize these administrations frequently. The other preferred standpoint to wi-fi calling is proficiency in transmission: your switch can go about as a tower, making the procedure more proficient. Rearranged, this can mean a straighter direct pathway to the call handling focuses, as opposed to having the information achieve the network tower at who knows where to experience busy wire-lines.

Pros and Cons

Both administrations offer their points of interest and impediments, however there’s a mind-boggling measure of positives inclining towards internet phone calls. The nature of the calls can be refined further, and the less expensive or non-existent rates that are permitted through Wi-Fi calling would absolutely be agreeable for clients’ wallets. Be that as it may, in the meantime, the outsider applications and administrations truly put a strain on these organizations.

Telephone numbers are setting down deep roots, that is ensured. It is just excessively helpful, and advantageously coordinated at this point. For the young people, phone calls do not matter but there are people like the elders who are not an internet savvy, for them it is convenient to just dial a number and talk to them. For them, internet phone calls do not create an interest.

With an undeniably digitalized world, the move towards internet phone call services was foreseeable and all the mobile operators haven’t generally considered them to be dangers, however now that these applications have hit their stages so unmistakably, now they do. These communication services are changed, others specifically contravene into the region of bearers, which is their dead monopoly business model on mobile voice calling.

The following in order to prevent “Bluesnarfing”

Introduction

Bluetooth a short range wireless communication technology developed for use at home, office and Personal Area Networks. Over the years Bluetooth integration has been achieved in mobile phones, Personal Digital Assistants (PDAs) and other consumer devices. When blue tooth was conceived, an essential element of the technology was its requirement for a low expectation of end user technical ability and minimum levels of user setup and configuration for ease of use. This was adopted to ensure that widespread adoption and utilization of Bluetooth technology by the general public could be achieved

A direct consequence of this requirement some users are not aware of the functionality Bluetooth offers and its potential for exploitation and in many cases leave the default settings on their devices unchanged. Bluetooth enabled devices are vulnerable to exploitation using a range of methods including Bluesnarf, Backdoor and Bluebug.

Bluetooth vulnerabilities

The use of Bluetooth technology to access restricted areas of a users’ device without their knowledge or approval for the purpose of capturing data e.g. contacts, images, lists of called missed, received or dialed, calendars, business cards and the device’s International Mobile Equipment Identity (IMEI) is known as Bluesnarf. Bluesnarfing works by using the push profile of the Object Exchange protocol (OBEX) which is a built-in Bluetooth functionality for exchanging electronic business cards.

Instead of pushing a business card the Bluesnarf attack pulls using a “get” request looking for files with known names e.g. phonebook file (telecom/pb.vcf) or calendar file (telecom/cal.vcs). This vulnerability exists due to the manner in which the OBEX push profile was implemented in some of the early Bluetooth enabled phones, which did not require authentication from other Bluetooth devices attempting to communicate with it. Accessing information by Bluesnarfing was thought to only be possible if the users device is in “discoverable” or “visible” mode, but Bluesnarf attacks have being carried out on devices set to “non-discoverable” mode.

To achieve this the Bluesnarfing software needs to address the device by its unique 48-bit Bluetooth device name. For example, uncovering the device name is possible using software applications such as RedFang. This application uses a brute-force approach to discover device addresses by systematically generating every possible combination of characters and recording those combinations which get a response. Fortunately this approach is time consuming, potentially taking hours of computation.
Current scenario

The subsequent release of the Bluetooth specification 1.2 has addressed this problem by adding an anonymity mode that masks a device’s Bluetooth physical address. In addition a major privacy concern related to this type of attack is the possibility of obtaining the IMEI of a device which can then be utilized to uniquely identify a phone on a mobile network and could also be used in illegal phone cloning. This could give someone the ability to use a cloned subscriber identity module (SIM) card to track a mobile device and by inference the user carrier without their knowledge.