| They have crystal-clear voice quality also without | | | | computer in the world. |
| delays and broken words. These are called | | | | Messengers like Yahoo, Gmail, MSN, Skype and |
| International Call back services. | | | | Vanage also give this free call service. They also offer |
| These International Call back services allow us to | | | | services for cheap International calls between PCs |
| make cheap calls from our mobile, work, hotel and | | | | and mobiles. These messengers also permit us to |
| home telephones also. The main attraction is, even | | | | have audio and video calls and even conferencing. |
| when we are on move, we will be able to contact the | | | | Another very important advantage of this system is it |
| desired ones easily. Our International Callback can be | | | | is digital in nature offering numerous advantages to |
| triggered by SMS sent from our mobile phone, by | | | | small businesses like marketing tools, marketing |
| e-mail when we have computers and also from our | | | | competitions and publicity campaigns. |
| website. The Callback cheap calls can be established | | | | One proprietary protocol Skype started as a social |
| between regular and landline services also. | | | | service meant for close friends has diversified its |
| Internet telephony and PCs to phone-calls: | | | | activities into business line. A company’s clients, |
| It is as simple as installing a special program and we | | | | contacts and employees have all to join in the Skype |
| can immediately start calling directly from our PC | | | | network. They can converse among themselves, even |
| hooked to the internet. The PC to phone service | | | | from one part of the world to another. Skype has |
| works from PDA devices as well as smart- phones. | | | | simplified the procedure like this – pick up the name |
| We can also use VoIP hardware telephones. | | | | of the contact, click, and all the above calls cost |
| Moreover, we can make free international calls to | | | | nothing to the employer but to other mobiles cheaper |
| other computers connected to the internet and make | | | | call rates will apply. |
| calls from regular landlines or mobile phones to any | | | | |