Valcom VoIP products allow you to easily add Door Intercom Stations to your
facility utilizing existing network infrastructure.
The VIP-172L (IP Doorphone) series is a PoE (Power over Ethernet) device
that allows integration to virtually any SIP compliant telephone system.
The VIP-172L call plate mounts in a standard 2 gang electrical box.
When the call button is pressed the VIP-172L will automatically connect
via IP to a SIP telephone extension or ring group.
When the call is answered the telephone station and the VIP-172L will be
in a bidirectional conversation. If
the DTMF # key is presses during the conversation the integrated form C relay
will activate for 2 seconds allowing for remote door unlock.