PBX systems are known as one of the most modern and sophisticated means... because they are considered an effective means of communication between people. And we know that these devices are developing significantly locally and globally. The range of PBX devices we offer varies (regular, intercom, answering machine, voicemail, high-tech PBX systems) We offer this service with many features for internal and external networks, which may work with the programming system that connects computers and the Internet. We provide internal intercom PBX devices associated with security systems for surveillance cameras, among them ones which depends on the ordinary phones easy to use, and is widespread in the Arab countries around the world... both wired and wireless. All this is in addition to providing open source PBX devices solutions, which are indispensable in our modern era for ease of use and widespread deployment. ' '