For instance, they provide a standard browser-based screens with radio buttons, drop down menus and simple graphical user interface. This feature eliminates the need to outsource the task of programming call features, in addition to providing a Web browsing facility off the phone. Due to these features, small and midsize offices can now gain capabilities that were previously either impossible or economically unjustifiable. An example of another benefit of IP telephony is the ability to browse Web pages from a phone. The VRU launches a Web browser, which finds and interprets a document written in VXML and then responds to the caller.
Users can interact with the Web either by voice or touch-tones.
And most importantly, all this can be achieved with compliance to the telecom regulatory norms in India. VoIP Telephony Product Alternatives Organisations looking to deploy IP telephony have a variety of possible product types to analyse. Some of the earliest implementations of IP telephony used this approach. These first-generation telephony servers generally run on Microsoft Windows NT and use expansion bus cards in the server to provide line expansion for telephones and trunks. Several characteristics have limited the usefulness of these systems.