ATCOM IP intercom support SIP protocol, HD voice, support 3W speaker and external active speaker, support customize the key functions and LED status.It is fully functional and has a wide range of applications. It not only supports common IPPBX functions such as simple intercom, broadcast, alarm, local and remote access control, but also complies with ATCOM proprietary computer software to implement these functions. Security, intercom, broadcast scheduling and other manufacturers can through ATCOM's IP intercom, quick complete terminal voice products in IP-based.