The market for door intercom has seen growth over the years and this is due to growing technology and demand for improved security system in global residential as well as related commercial structures. Some of the products that this market includes are the audio intercom systems similar to the traditional devices, video intercom systems which are a little advanced and the IP intercom systems which are interlinked and offer advanced features and functions. Another interesting driver stimulating the growth of the door intercom market is the increased focus on security considerations and concerns.