Teledata Technologies offers Tele-Security Intercom System for Building and Housing Society. Teledata Technologies supplies EPABX, Intercom, Telecom System, Telephone System, Key Telephone System, KTS, Housing Intercom, Video Conferencing System, Video Conferencing Unit, etc. The Tele-Security Intercom System for Building and Housing Society helps to stop entry of unwanted visitors like petty thieves, burglars, armed criminals, sales-persons, vendors inside the building. These Tele-Security Intercom System for Building and Housing Society are used to provide intercom facility between residents of a building and the security watchmen at the entrance gate mainly with the purpose of confirming whether the visitors should be allowed entry or not. Security men at the gate, in consultation with the residents, can screen out lot of unwanted visitors, including burglars/dacoits and door-to door sales persons. Caller-ID facility in the intercom system is useful to trace malicious calls, which are not uncommon. Talking Caller-ID facility can be useful to all users including those who have non-caller-id phones.