IoT is a domain where millions and millions of objects are there which has the capability of sensing,imparting and sharing data over Internet or private networks. You can ring on your associate’s versatile number and ask him/her to kill on or the lights or different apparatuses of your office/home. You might be anyplace on the planet around then,as mobile system permits to talk anybody show anyplace in this world. Be that as it may,your partner is a lot for this basic occupation! You may supplant him with this savvy device and let it work the apparatuses. In any case,how it will do that? Will,it will listen to the sound yield from a cell telephone and attempt to perceive the DTMF tones present in the yield sound. DTMF is an approach to encode numerical information into a perceptible sound which is then sent over a sound channel. Key push on the other versatile will create DTMF codes. Keys like 1,2,3 and 4 are utilized to switch on/off up to four burdens like light,fan,and water pump in a building. The client utilizing his cellular telephone calls another versatile,which is available at the home and is connected to this framework,and afterward press keys on his cell telephone to controls the heap in the home. The portable connected to the framework gets tones from the client's versatile and sends them to the DTMF decoder module over a sound link. The DTMF decoder module changes over this tone to a 4 bit twofold number which is then sent to an ATmega8a AVR microcontroller which controls yield transfers utilizing four of its port 16 ounces. These transfers can be utilized to switch AC mains fuelled apparatuses like bulb and fans. © 2016,International Journal of Pharmacy and Technology. All rights reserved.