Capanicus callback solution includes multiple callback methods like Web callback, DID callback, SMS callback, CLI/ANI callback. Service providers can deploy a callback management solution and enable their clients to initiate long distance calls using this methods and thus offering their client a very cheap rate voip calling solution.

A Web-Call Back module allows users to make long-distance calls from inside the web-site. The webpage is configured to interact with the web callback module using web service. Once server receives a callback request from the website, it initiates a call to the user's phone and to the destination number specified by the user. When the user answers, the callback server automatically dials the destination number and connects both call legs.

VoIP Businesses invoke initiate low-cost international & national phone calls by using ANI/CLI CallBack Solution. The ANI/CLI CallBack Solution is ideal for business travellers or you are not able to reachable Internet or VoIP network is accessible in you location.

DID callback solution works on the similar principle to ANI callback solution. The only difference is the authorization process. In the case of ANI callback solution it is based on the defined ANI/CLI number which has to be called in order to initiate the callback. In case of DID callback, each user should have an unique access number (DID) so that when they dialed this number it automatically disconnect then and call them back. This service is mostly designed for the users who reach the access number from the phones not transmit the Caller ID.

Capanicus SMS callback module allows service provider to let their client ability to initiate call by sending SMS either directly to service provider GSM Modem or SMS provider GSM gateways.