?Calling or call waiting trends in the traditional PSTN services have changed. To support communication today, corporate, enterprises, businesses and multinationals are using the advanced IP telephony and callback services to initiate longer distance or international calling at significant rates. No doubt, stepping into the IP telephony relieves the telecommuters to save a lot on every call. In addition, callback service of VoIP allows users to access important calls from various fixed lines or mobile phones, even on the move. Therefore, without procuring much into the infrastructural set-up and hardware requirements, the user can avail the maximum benefit by opting for hosted callback platform. The callback service comes into action when the originator of a call is immediately called back in a second call as a response. In order to use a callback service, a potential user or customer is allocated with a unique number that is dialed before the user triggers a return call. If the user is calling back in his own nation, then it will be known as Direct Dial-In or DID number whereas Direct Dial In or DDI number is used for international callback. Well, activating a callback by clicking on a web page saves on longer distance or international calls. While, using callback web service, the user can connect within few seconds with other people located across the world. For availing the features of callback services on VoIP, a user has to consider following steps like: 1.To trigger a callback service, the user must have registered with an international service provider. 2.The user can call only from his registered mobile phone number offered by the provider. 3.To trigger a callback call from a non-registered mobile phone, the user will be asked for account credentials like PIN or CLI. 4.The system will give you an automatic callback and the IVR will ask to dial your destination number. 5.Lastly, dial the required number and enjoy calling. The hosted callback platform gives a callback to the originating caller to have access to the call. Callback services are as simple as making a call through a standard telephone. To know more about these service, visit: Callback Service provided by one of the best VoIP Platform provider.