Algo intercom products simplify visitor/guest communication from the convenience of a telephone, and secure entry of doors, gates and other access points in a commercial business or residential applications. All Algo doorphone products are designed to work with any hosted or premise UC platform including Avaya, Broadsoft, Cisco, Digium/Asterisk, Metaswitch, Mitel, NEC and Polycom to name a few.
The Algo 3226 FXO Trunk Port Doorphone, 3228 FXS Station Port Doorphone and 8028 SIP Doorphone integrate a Normally Open / Closed relay for door opening control. Activation of the relay is via DTMF from a telephone key pad. This video covers detail on how to wire to a door strike to an Algo doorphone.