Algo 8201 PoE SIP IP Intercom / Doorphone with RelayThe 8201 is a PoE IP intercom in a compact form factor for hands free two way voice communication for interior and exterior secured entrances and access points. It is also well suited for other intercom communication in classrooms and offices. The 8201 features door opening control for telephone keypad activation of entry into a secure location or entrance. The device registers as a third party SIP endpoint into a hosted or premise UC environment. The