This SMS and Texting is an important feature of using Mobile phone and we also know that the mobile phone usage is spreading over the World rapidly and has gone through the number of features due to new techniques and Developers. This paper is based on creating an application that works on Google libraries and API’s for conversion of Text-To-Speech and Speech-To-Text converter. It also works for Searching Contact with the Alphabets and Numeric read. Mainly the goal of the project is, it is for those who not be in the position of using mobile phones for texting ,surfing on web and dialing calls such kind of the communicating features ,so we called it as an Application that is useful for society .In other words,messaging can be completely based on speech recognition. The Application converts your text into the speech, speech into text, search the contacts with name of the particular person or call on speak his/her number. So this technology gets you connected with th peoples over the world.A decade back speech recognition was difficult to use, but with elevation in techniques Technologies leading to new algorithms and advanced tools. Now it is possible to generate the desired speech recognition output. One such method is the Hidden Markov Models (HMM), android system, SR (speech recognition) libraries i.e. speech API’s which is used in this paper.

Keywords : Speech-To-Text, Text-To-Speech Converter (Both Side), Contacts Selection with Numeric and Alphabets.