Indoor unit-free access control system based on SIP

A door and host technology, used in building access control, smart home, smart building control, building intercom fields, can solve the problems of troublesome wiring, damaged communication lines, and high cost of indoor units, saving equipment costs and engineering costs. Effect
CN103295294AActive Publication Date: 2013-09-11深圳市呤云科技有限公司
5 Cites 27 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
深圳市呤云科技有限公司
Publication Date
2013-09-11

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides an indoor unit-free access control system based on SIP. According to the invention, communication terminal units are connected with an SIP application server unit through a public communication network; a host unit and a management unit are connected with the SIP application server unit through a cellular IP local area network; a private communication terminal unit of a resident is used as a building talk-back extension phone, so the resident is not confined in a room and can answer a calling from a building talk-back system, talk with a visitor, unlatch unit access control and the like at any position in any place as long as the public communication network covers the place, thereby bringing great convenience to the resident.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the field of intelligent building control, in particular to the fields of building access control, building intercom and smart home. Background technique

[0002] The building intercom system is an important part of the community's weak current system. The building intercom system consists of the anti-theft doors at each unit entrance, the management switchboard of the community's general control center, the intercom host at the entrance and exit of the building, the electronically controlled lock, the door closer and the resident's home. The video intercom extension is composed of a dedicated network. In order to realize the intercom between visitors and residents, the residents can remotely open the anti-theft door, and the visitors at the stairs of each unit call the residents through the intercom host, and they can enter the building only after the other party agrees, thus restricting the entry of illegal personnel. At the...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More