7 results about "Telephone line" patented technology

The utility model discloses a telephone line special common mode rejection circuit relates to communication anti -interference technical field, and this circuit passes through the synergic design of triode bias circuit, common mode inductance and direct -current capacitor, realizes three major functions: one is high -efficient suppression high -frequency common mode interference signal (the path of conversion into differential mode interference is blocked) ;Two is to provide direct current passage for telephone line to transmit feed current, three is to provide alternating current passage for low -frequency ringing signal. Meanwhile, the circuit has very small transmission influence to differential mode audio signal, can be directly connected in series in ordinary telephone communication equipment, makes it adapt strong interference scene (such as mechanical and electrical equipment, broadcast transmitting station nearby), and the call quality stability is obviously promoted.

The application discloses a telephone line switching device and method, and relates to the technical field of telephone communication, and comprises the following steps: collecting the nominal maximum bandwidth and the actual used bandwidth of each line, obtaining line reference load data based on the nominal maximum bandwidth and the actual used bandwidth; obtaining the actual available bandwidth of the line, adjusting the line reference load data based on the actual available bandwidth, and obtaining line capacity data; obtaining individual sudden drop threshold values through a dynamic adaptive threshold model based on the line capacity data, and judging whether a multi-line synchronous bandwidth sudden drop event occurs based on the individual sudden drop threshold values; the application aims at the problem of bandwidth instantaneous sudden drop caused by the synchronous triggering of the heat protection mechanism of multiple lines in extreme environments such as high temperature, sets individual sudden drop threshold values, screens a bandwidth sudden drop line list, and quickly matches standby switching lines, so that fast response and switching in the multi-line synchronous sudden drop scene are realized, large-scale business interruption is avoided, and communication continuity is ensured.

A client device determines that a telephony outage is occurring. The client device connects to an on-premises telephony node using an encrypted password at the client device. The client device accesses a set of telephony services via the on-premises telephony node.

This application discloses a method, apparatus, device, medium, and product for security testing of analog telephone lines. The method includes: acquiring the voltage and current of the analog telephone line to determine its line status; collecting the dual-tone multi-frequency (DTMF) signal, voice signal, and line impedance of the analog telephone line, as well as acquiring historical behavior data of the analog telephone line; determining whether the DTMF signal, voice signal, line impedance, and historical behavior data meet predetermined security constraints to obtain a condition judgment result; and inputting the condition judgment result into a pre-constructed weighted risk scoring model for security assessment to determine the security testing result of the analog telephone line. According to the embodiments of this application, the false alarm rate of analog telephone line security testing is effectively reduced, detection sensitivity and scalability are improved, and public communication security and operator reputation are effectively protected.

This invention discloses a dynamic task orchestration system and method for telephone lead lifecycle management, relating to the field of data processing technology. The system includes a task orchestration module, a concurrency control module, a lead management module, and a line management module: the task orchestration module dynamically obtains load weights based on load assessment parameters of each service node, and dynamically executes task migration processes based on the obtained load weights and service node loads; the concurrency control module uses an adaptive resource allocation algorithm combining proportional allocation and heap optimization to achieve distributed atomic concurrent control; the lead management module manages the entire lead lifecycle based on a lead status transition mechanism and a three-layer deduplication mechanism; the line management module performs availability checks on candidate lines before outbound calls, implements intelligent allocation of line resources based on a priority-based line scheduling algorithm, and uses a sliding window rate limiting mechanism to achieve periodic frequency control of lines.

1. The name of the design product: communication gateway (PR18). 2. The use of the design product: the design product is used in the application scenario of analog telephone line digitization. The traditional analog telephone line is replaced by IP network, and different protocol alarm panels, high and low speed modems and faxes are identified and processed. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The present invention relates to a fixing device for a wiring device, and aims to provide a high-quality wiring box for a wiring device that allows for the accurate horizontal installation of a wiring device fixing device equipped with a wiring device, by making various structural improvements such as a separate wiring device fixing member having screw fastening holes formed in insertion parts formed on the upper and lower front sides of a box body constituting a wiring box, which is coupled so as to be movable left and right. This is achieved by moving the wiring device fixing member left and right, or up and down if necessary, to align the bolt fastening hole with the screw insertion hole formed in the wiring device fixing device and then screwing it, thereby enabling the wiring device fixing device to be installed horizontally and conveniently. The wiring box for a wiring device according to the present invention for achieving the above-mentioned purpose is basically a wiring box for a wiring device that fixes electrical wiring devices (210), such as connectors, switches, telephone lines, internet, TV antenna lines, optical cables, etc., to a wall (10), The above wiring box (100) is, A box-shaped box body (110) with a plurality of wiring inlet holes (111) formed and an open front is formed with insertion parts (112) of a predetermined shape on the upper and lower sides of the front, A separate wiring mechanism fixing member (120) having a screw fastening hole (121) formed in the above insertion part (112) is inserted and assembled so as not to fall out to the outside, The above wiring mechanism fixing member (120) is configured to be movable left and right while coupled to the insertion part (112), The feature is that the screw (220) can be easily fastened to the screw fastening hole (121) formed in the wiring device fastening member (120) through the screw insertion hole (201) formed in the wiring device fixing member (200) equipped with the wiring device (210).