Catalog > Consumer Electronics > Security & Alarms > Access Control > Video Doorphones Telephone Module Telephone Module VDVS-TELM TELEPHONE MODULE Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Enables Standard home Telephone to be used as Intercom to the Outdoor Station as well as to Unlock the Door. Connect between indoor monitor and telephone line, so that you can use your home telephone to have intercom with outdoor station and remote unlock the door for visitor Features Telephone capacity : 2 PCS Indoor monitor capacity : 1 PCS Triple communication between outdoor panel, indoor monitor and telephone Door unlocking from telephone Talking time: 60 seconds Downloads System Configuration PDF File 1.27 MB