Posts Tagged phone cards
How Do I Use Prepaid Phone Cards?
Posted by admin in Cards Related on 10/27/2009
Now a day the world’s phone communications is dominated by the prepaid phone cards. This card is so popular that there is no single person who doesn’t use it to make a phone call. Prepaid phone cards are now using not only for home calling but also for the international calling because it has no extra pressure for the monthly payment. After buying the prepaid phone card the caller need not to pay any additional payment but he/ she have to pay for a fresh card or for recharging the present cards. Generally, almost all callers want to know about the mechanism of the prepaid cards, the methodology of this cards is different from the typical telephone service. Every prepaid phone card comes with a PIN that means personal identification number and this number is included by the company as a security quantify.
This PIN number is unique and via this pin number the caller can check the balance. This number also helps from hacking of caller’s phone. So it is very important for the callers to take secret the PIN number. With the intention of full use of the prepaid phone cards the callers should know all the features of it. Read the rest of this entry »
Dialing with prepaid phone cards is simpler than you think
Posted by admin in Cards Related on 10/19/2009
With an intention to improve their services, the long distance calling companies have introduced more and more innovative methods which are ultimately for the benefit of the caller. For making a long distance call, the caller has to first of all dial his PIN number, then the country code, then the area code and then the telephone number he is trying to contact at the other end.
Those who purchase phone cards are the one who make frequent long distance calls. It is very difficult for any one to remember all these numbers; particularly when the caller makes frequent calls. There were days when such people would carry a digital phone book or a telephone diary. Read the rest of this entry »
Buy UK Prepaid Phone Cards Online
Posted by admin in Uncategorized on 10/13/2009
The advent of prepaid phone cards has not only revolutionized the communication industry but also the e-commerce since many of the phone cards are bought online due to the presence of a large number of websites.
In order to make an online purchase of prepaid phone cards for calling UK, one must follow the given guidelines:
- Since all prepaid cards are not valid for all countries, it is essential for the caller to search for the service provider who has a prepaid phone card applicable for calling up UK.
- The next step is to choose the requisite denomination of the card in terms of the talking minutes as pre one’s requirements. For example, if the reason for calling UK is a personal one, then one can choose a phone card with a lot of talk time but if it is for business then the card with a lesser denomination can be selected. Read the rest of this entry »
Are You Interested in Making Low-rate International Calls?
Posted by admin in Cards Related on 10/06/2009
Who does not want to save money? In these days of hardship, we attempt to save as much money as possible. It is true in the case of those who make frequent international calls. This is because; the International calls are very costly. Then how to save on these calls?
The answer is quite simple; buy a Phone Card. What is a Phone Card? These are prepaid tariff plans. There are many long distance calling companies who provide connectivity for international calls. These companies have introduced cards (similar to a Credit Card). Those who make international calls would buy them by paying certain predetermined amount. The amount is paid in advance to the calling company and the company activates this tariff plan. Read the rest of this entry »
Tracking Anonymous Peer-to-Peer VoIP Calls on the Internet
Peer-to-peer VoIP calls are becoming increasingly popular due to their advantages in cost and convenience. When these calls are encrypted from end to end and anonymized by low latency anonymizing network, they are considered by many people to be both secure and anonymous.
Here is presented a watermark technique that could be used for e®ectively identifying and correlating encrypted, peer-to-peer VoIP calls even if they are anonymized by low latency anonymizing networks. This result is in contrast to many people’s perception. The key idea is to embed a unique watermark into the encrypted VoIP °ow by slightly adjusting the timing of selected packets. Read the rest of this entry »
The Importance of VoIP on IMT-2000 Mobile Networks
Packet-based networks offer greater flexibility for handling multi-media traffic but most cellular networks today use circuit-switched networks for voice traffic. It is quite challenging to provide acceptable voice quality over a mobile packet network.
In particular voice packets must be given some level of priority over general data traffic, which is not specifically time sensitive, to ensure acceptable speech quality.
Voice over Internet Protocol (VoIP) places a number of stringent demands on a shared mobile packet channel, but offers an efficient way to handle a dynamically changing mixture of voice and data multi-media traffic. Read the rest of this entry »