Welkom bij Shenzhen Changxinghuitong Technology Co., Ltd!
+86 19129355807
bedrijf
IP Tunnel Noodtelefoon

Time:2022-12-3

Why choose an IP Tunnel Emergency Telephone? There are many reasons why you might need to choose an IP tunnel emergency telephone. Maybe you need to be able to get in touch with someone in an emergency, or you need to be able to communicate with people in a different part of the world. Whatever your reasons, it's important to choose a phone that will meet your needs. What is an IP Tunnel Emergency Telephone? An IP tunnel emergency telephone is a special type of telephone that is used to make emergency calls over an IP network. These phones are often used in businesses and other organizations where IP networks are used. They allow emergency calls to be placed over the network, even when there is no traditional telephone service available. How does an IP Tunnel Emergency Telephone work? When an emergency occurs and a phone line is needed, an IP tunnel emergency telephone can be used. This type of phone line is created by using a special phone number that is routed through the internet. By using this type of phone line, it is possible to get a phone line even when there is no traditional phone service available....
IP-telefoon Vaste telefoon

Time:2022-12-3

IP telephony refers to any phone system that uses an internet connection to send and receive voice data. Unlike a regular telephone that uses landlines to transmit analog signals, IP phones connect to the internet via a router and modem. How Does IP Telephony Work? IP telephone systems use the Internet Protocol (IP) or other digital protocols to transfer voice communications over the internet. What Is The Difference Between VoIP and IP Telephony? The terms are often used interchangeably, but there is a subtle difference between them. IP telephony describes any system that fits within the internet-based telecommunications umbrella, including fax and other systems. Initially, the term VoIP (Voice over Internet Protocol) was more specific. It only referred to the technology used to make and receive phone calls over the internet. In recent years, though, even VoIP providers and telecommunications companies have started to use these terms interchangeably. IP telephony and VoIP both cover phone systems that use a LAN (local area network) to connect to the internet via a modem/router. The IP telephone Corded telephone is a great device that has many benefits. It is perfect for businesses as it can be used to make calls, hold video conferences,...
flameproof weatherproof telephone

Time:2022-12-3

The explosion-proof telephone is designed according to a special anti-explosion structure, so that it can still work safely in the complex, harsh and explosive environment. This type of communication equipment is installed in most power plants, industrial and mining plants and chemical plants. In addition, explosion-proof telephones have explosion-proof characteristics on the one hand, as well as the basic function of calling, which can be used as long as the ordinary telephone line is connected. Explosion-proof equipment can contain an explosion within itself. Creating heavy, thick equipment that can withstand a blast allows for higher wattage. Whether equipment is intrinsically safe or explosion-proof, it’s designed to prevent a malfunction in electrical process equipment. A flameproof weatherproof telephone is a must-have for any business that operates in a hazardous environment. These phones are designed to keep you connected even in the most extreme weather conditions. They are also flameproof, so you can be sure your calls will stay safe and secure. We have a wide range of flameproof weatherproof telephone to choose from.No matter what your needs may be, there is a flameproof weatherproof telephone that is perfect for you. These phones are designed to provide you with the highest level...
waterproof emergency telephone

Time:2022-12-3

Why do I need an emergency telephone? Depending on where you work, and what work involves, you may need to provide an emergency telephone by law. Even if you are not required by law to provide one, its still important to safeguard employees and visitors. Choosing to install one of these telephones ensures that if anyone is unfortunate enough to need the help of the emergency services, that they receive help as quickly as possible. Emergency telephones come with different mounting types. The majority will be wall mounted, in order to be visible and accessible. However, a small number of our range are more like desktop phones. If you are hoping to use the emergency phone for somewhere like a swimming pool or construction site, its best to choose a wall mounted phone. It can be placed in a highly visible area, with easy access. In what sort of environment do I need an emergency telephone? Emergency phones are useful in all sorts of environments. Whether it’s leisure areas such as swimming pools, summer camps, amusement parks, or professional environments like hospitals or security offices, this phone can be the difference between life and death. In these areas, where there...
elevator emergency phone factory

Time:2022-11-8

From elevator emergency phone factory Utility Tunnel Emergency telephones Emergency telephones for utility tunnel purpose made of aluminium alloy material by die casting. The telephone waterproof is rugged and durable. Body-integral, Strong flame retardancy and low-temperature resistant. Special sealing design can ensure complete waterproof grade up to IP66. Waterproof, dustproof and moisture-resistant. The telephone waterproof widely used in tunnel and outdoor. Most metro and high-speed rail project need install IP66 telephone for emergency communication. Model: CDU-AUX Size: 492*302*185mm Ambient Temperature: -40℃ to 50℃ Relative Humidity: 10% to 95% Atmospheric Pressure: 80-110 kPa Ambient Noise: ≤60dB Operating Frequency: 300-3400 Hz Sending Loudness Rating(SLR): 5- 15dB Receiving Loudness Rating(RLR): -7-2dB Side Tone Masking Rating(STMR): ≥7dB  
GSM-noodtelefoonsysteem

Time:2022-11-8

Uncovered Visible Touchscreen Fiber-Reinforced Plastic Emergency Telephone is a high-end smart phone that integrates audio, video and applications. Based on the Android9.0 system, it can support the installation and use of third-party Android applications, and the interface is convenient to use. With a 7-inch color touch screen, built-in USB 2.0 interface, TF card interface, and HDMI interface, it provides users with unified communication, scalable value-added services, and a rich and flexible desktop-level communication product solution. Model: CD-INP-PHO-D-SIPVD-X Size: 389.2x242x172.4mm 7-inches 1024×600 Touchscreen Video decoding: H.264 Video call resolution: QVGA/CIF/VGA/4CIF/720P/1080P Image format: JPEG/PNG/BMP Video format: MP4 Broadband range: 64kbps~4Mbps Video frame rate: 5~30fps Built-in camera: 2 million pixels, adjustable video angle video preview Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP OPT66/SIP PnP/TR-069 Operating temperature: -20°C to 70°C Relative humidity of working environment: 10% - 90% Storage temperature: -20°C to 70°C Protection class: IP66
China industrial waterproof telephones factory

Time:2022-10-25

Waterproof SOS Emergency Call Box Waterproof SOS Emergency Call Box was made of cold rolled steel, the strong shell provide extra security for machine wiring. The protect level is IP65, has CE, ROHS, FCC, ISO9001 certification. Model: CX-JW-01 Power: telephone line power supply Voltage: DC 48V Standby working current ≤ 0.2A Frequency Response: 250 ~ 3000 Hz Ringtone volume ≥ 100dB(A) Corrosion class: WF2 Ambient temperature: -30 ~ + 60 ℃ Atmospheric pressure: 80 ~ 110 kPa Relative humidity ≤ 95% Cable Gland: 3-PG11 Installation: Wall Mounted
OEM industrial telephone

Time:2022-10-25

Utility Tunnel Emergency Call Box The industrial telephone adopts aluminum alloy die-casting shell, which has high mechanical strength and strong impact resistance. Its appearance is sturdy and vandal-proof, and it can be divided into two-wire and SIP, network cable and other transmission methods. It can be used in complex application scenarios such as Utility Tunnel, railway, tunnel, etc. Telephone system: dual-tone multi-frequency; Incoming call ringing signal light prompt; Call connection time: ≤ 6S (non-blocking); Maximum communication distance: 5km; Graded rated sound pressure level intensity: ≥ 90dBA; Audio range: 300Hz ~ 3400Hz; Harmonic distortion: ≤ 5%; Support wall-mounted and floor-standing; DTMF call system; Rated feed voltage: DC48V/DC24V; Send/receive frequency response: comply with GB/T15279-2002; Transmit Loudness Rating (SLR): 5 ~ 15dB; Received Loudness Rating (RLR): -7 ~ 2dB; Sidetone Masking Rating (STMR): ≥7dB; The system has strong expansion compatibility and supports standard SIP 2.0 (RFC3261) and related RFC protocols; Support: TCP/UDP, HTTP, ARP/RARP, DNS, NTP, TFTP, TELNET; Support one-key direct call dispatcher function; Provide alarm, monitoring, intercom, broadcast functions; Adopt advanced echo cancellation technology; Optional G.729, G.723, G.711, G.722, G.726 and other speech coding methods; DTMF mode RFC2833, SIP INFO, INBAND; Support static IP address modification, DNS domain name resolution; Hands-free/replay/radio playback...
customized best industrial telephone factory

Time:2022-10-25

  Weatherproof Emergency Telephone The weatherproof telephone used a metal weatherproof shell to minimize environmental damage to the equipment. The sturdy shell can prevent damage to the equipment. The airtightness is good, and the waterproof level reaches IP66. It can be used normally in outdoor weather.   Model: CX-SIP-02 1. VoIP SIP2.0 telephone 2. DTMF dialing 3. MTBF100000hours 4. MTTR: 2 hours 5. Auxiliary Contacts:1 Aux Output, dry contact 6. Rated load:0.3 A at 125 VAC; 1 A at 30 VDC 7. Contact Ratings. Load: Resistive load 8. Echo cancellation code:G.167/G.168 9. Rated carry current:1A 10. Max.switching current:1A 11. Max.switching voltage:125 VAC,60VDC 12. Audio Codes:G.711, G.722, G.729 13. IP Protocols:IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP 14. Free dial (maximum length of each number is 16 digits) 15. Communication: Full duplex 2-way hands-free communication 16. Call Control Signaling:VOIP SIP Info(DTMF), RFC 2833(DTMF) 17. Network:10/100 BaseTX Ethernet, RJ45 connectors, Cat5e or better 18. Power:Power over Ethernet, IEEE802.3af, Class 0 Local power, 12VDc,Idle 2W, Max 10W 19. Programming:Non-volatile flash memory programming and configuration through Web GUI 20. Management and Operation:DHCP and static IP, remote automatic software upgrade, centralized monitoring, status LED 21. LAN Protocols:Power over Ethernet(PoE,802.3af), WLAN(IEEE 802.3af), Network Access Control(IEEE...
laatste nieuws
China Weerbestendige telefoons voor buiten: duurzame communicatieoplossingen voor alle weersomstandigheden
In today's fast-paced and interconnected world, having reliable and efficient communication systems is paramount. Whether it is for emergency services, industrial sites, or public spaces, having a communication solution that can withstand all weather conditions is crucial. This is where outdoor weatherproof telephones come into play. These durable and robust devices ensure that communication remains uninterrupted, even in the harshest of weather conditions.   Outdoor weatherproof telephones are designed to withstand extreme temperatures, high humidity, heavy rain, snow, dust, and other challenging environments. They are built with rugged materials that can resist corrosion and damage from the elements. These telephones are specifically engineered to provide clear and reliable communication in outdoor settings, where traditional phones may fail to deliver.   One of the key features of outdoor weatherproof telephones is their durability. They are built to withstand impact, vandalism, and tampering, making them suitable for use in public spaces and high-risk areas. These devices are often constructed with heavy-duty metals, such as stainless steel, which can withstand harsh treatment and ensure durability over long periods of time.   Moreover, outdoor weatherproof telephones are equipped with advanced technology to enhance communication capabilities. They often include noise-canceling features, high-quality audio, and loudspeakers...

2023-7-16 LEES VERDER

China’s Leading Manufacturer of Industrial Waterproof Telephones
China has established itself as a global leader in various industries, and the manufacturing sector is no exception. In recent years, the country has witnessed remarkable growth and development in the production of industrial waterproof telephones. These devices have become essential in various sectors, including manufacturing plants, oil refineries, construction sites, and transportation hubs.   One prominent manufacturer that has emerged as a pioneer in this field is none other than China's leading manufacturer of industrial waterproof telephones. With an unwavering commitment to quality and innovation, this company has revolutionized the way communication is conducted in hazardous and challenging environments.   One of the key reasons behind the company's success lies in its continuous research and development efforts. Its team of skilled engineers and designers tirelessly work to improve the design, functionality, and durability of their products. By staying ahead of the curve, the company ensures that their telephones can withstand extreme conditions, including high temperatures, humidity, dust, and even submersion in water.   China's leading manufacturer of industrial waterproof telephones adheres to strict quality control measures. Every unit undergoes rigorous testing to ensure that it meets or exceeds industry standards. This commitment to quality has earned the company numerous...

2023-10-16 LEES VERDER

“Communicatie en veiligheid verbeteren: een intercomsysteem voor scholen implementeren”
In today's world, communication plays a vital role in the smooth functioning of any organization, and schools are no exception. Efficient communication not only ensures effective coordination but also enhances security measures within the premises. To address these requirements, many schools are now considering the implementation of an intercom system. This article will explore the benefits of using an intercom system in schools and how it can improve communication and security on campus.   Firstly, an intercom system provides a quick and reliable way of communication between different areas of the school. Whether it's between classrooms, administrative offices, or even outdoor areas, an intercom system allows for instant communication, eliminating the need for running back and forth or relying on outdated methods like walkie-talkies. By simply pressing a button, teachers and staff can communicate with each other, ensuring efficient coordination and minimizing disruptions in the teaching-learning process.   Moreover, an intercom system promotes safety and security within the school premises. With the ability to broadcast announcements throughout the entire campus, administrators can quickly and effectively communicate important information to students and staff in case of emergencies or other urgent situations. Whether it's a fire drill, a lockdown, or an evacuation,...

2023-6-29 LEES VERDER

Enhancing Durability: Exploring Vandal Resistant Phones for Uncompromised Communication
In today's ever-connected world, communication has become an essential part of our lives. Mobile phones have revolutionized the way we communicate, making it faster and more convenient. However, there are instances where the durability of phones becomes a concern. Vandalism is a prevalent issue in many parts of the world, and it often results in damaged or stolen phones. This article aims to explore the concept of vandal-resistant phones and their importance in ensuring uncompromised communication.   The Need for Vandal Resistant Phones: Vandalism is a destructive act that can cause significant damage to public infrastructure, including public phones. Vandal-resistant phones are designed to withstand such acts of vandalism and ensure that communication remains uninterrupted. These phones are built with durable materials and equipped with features that deter vandals, making them an essential tool in areas prone to vandalism.   Features of Vandal Resistant Phones: 1. Robust Construction: Vandal-resistant phones are constructed using materials that are resistant to physical damage. They are built to withstand forceful impact, preventing damage caused by acts of vandalism.   2. Tamper-Proof Design: These phones are designed to be tamper-proof, making it difficult for vandals to gain access to their internal components. This ensures that...

2023-11-18 LEES VERDER

Emergency Assistance: Exploring the Purpose and Function of Highway Call Boxes
Introduction   Highway call boxes have become a common sight along roads and highways worldwide. These small devices, usually mounted on poles or posts, serve an important purpose in providing emergency assistance to motorists in need. In this article, we will explore the purpose and function of highway call boxes, their significance in ensuring road safety, and the advancements in technology that have influenced their evolution.   1. The Purpose of Highway Call Boxes   Highway call boxes are designed to provide a direct line of communication between motorists and emergency services. They serve as a lifeline for stranded individuals who may encounter accidents, vehicle breakdowns, medical emergencies, or other unforeseen circumstances. By simply pressing a button or picking up the receiver, motorists can instantly connect to emergency operators who can dispatch the necessary assistance to their location.   2. The Function of Highway Call Boxes   Highway call boxes are equipped with various features and functions that aid in emergency communication. These include a two-way speaker system, a microphone, and a button to initiate the call. When a motorist activates the call box, it establishes a connection with an emergency operator who can assess the situation, provide instructions, and...

2023-7-23 LEES VERDER

Is the Aluminum Alloy Industrial Telephone the Ultimate Communication Solution for Rugged Outdoor Environments?
Introduction: In today's modern world, communication has become an integral part of our lives. Whether it is for personal or professional purposes, we rely on various modes of communication to stay connected. When it comes to outdoor environments, the need for robust and reliable communication devices becomes even more essential. One such device that caters to this requirement is the Aluminum Alloy Industrial Telephone for outdoor use. This article aims to explore the features and benefits of this telephone in detail.   Features: The Aluminum Alloy Industrial Telephone for outdoor use is designed to withstand harsh weather conditions and rugged environments. Its body is made of high-quality aluminum alloy, which provides exceptional durability and resistance against corrosion. This telephone is specifically crafted to cater to the needs of industries such as mining, manufacturing, transportation, and construction, where reliable communication is crucial.   The device is equipped with a non-abbreviated keypad, ensuring ease of use and eliminating any confusion during dialing. The keys are made of high-quality material, ensuring longevity and resistance against wear and tear. The telephone also features a clear and robust speaker, enabling clear and loud communication even in noisy outdoor environments. The speaker is strategically placed to...

2023-8-9 LEES VERDER

Hoe waterdichte vaste telefoons te installeren en configureren
Waterproof landline phones are an important communication tool in outdoor and harsh environments such as construction sites, industrial facilities, and marine environments. These phones are designed to withstand exposure to moisture, dust, and extreme temperatures, providing reliable communication in areas where traditional phones may fail. In this article, we'll discuss how to install and configure waterproof landline phones, including the necessary equipment, installation steps, and testing procedures. Equipment Required Before beginning the installation process, it's essential to gather all the necessary equipment. Here's what you'll need: Waterproof landline phone: Choose a phone that is rated for the environment where it will be installed. For example, if you're installing a phone in a marine environment, you should choose a phone that is corrosion-resistant. Mounting bracket: A mounting bracket is used to attach the phone to a wall or other structure. Make sure the mounting bracket is compatible with the phone model you've chosen. Wiring and connectors: You'll need wiring and connectors to connect the phone to the telephone network. Use outdoor-rated wiring that can withstand exposure to moisture and other elements. Telephone line test set: A telephone line test set is used to verify that the phone is properly connected to...

2023-4-4 LEES VERDER

Noodtelefoons: veiligheid en beveiliging bieden in tijden van nood
In today's world, safety and security have become top priorities for individuals and organizations alike. The rise in crime rates and natural disasters has led to an increased demand for safety measures that can provide protection and assistance in times of need. One such safety measure is the emergency phone, which has become a crucial tool in ensuring the safety and security of people and property.   Emergency phones are devices that are installed in public places, buildings, and campuses to provide immediate assistance in case of an emergency. They are designed to be highly visible and easily accessible, and are equipped with features that allow users to quickly and easily contact emergency services, security personnel, or other designated responders.   One of the most important features of emergency phones is their ability to function even when other communication systems are down. In the event of a power outage or natural disaster, traditional communication systems such as cell phones and landlines may not be available. Emergency phones, however, are often equipped with backup power sources and are designed to withstand harsh weather conditions, ensuring that they remain operational even in the most challenging circumstances.   Another key feature of emergency...

2023-6-12 LEES VERDER

2023 Waterdichte openbare noodtelefoon met toetsenbord
Introduction   The Waterproof Keypad Public Emergency Telephone is a communication device that has been designed for use in public areas, particularly in emergency situations. The device is easy to use and has a number of features that make it ideal for use in harsh environments. This report will provide an overview of the features and benefits of the Waterproof Keypad Public Emergency Telephone.   Features   The Waterproof Keypad Public Emergency Telephone is designed to be used outdoors, and it is resistant to water and dust. This makes it an ideal choice for use in areas that are prone to wet or dusty conditions. The device is also equipped with a keypad that allows users to make calls quickly and easily.   The device is equipped with a speaker and a microphone, which allows users to communicate with emergency services or other individuals. The speaker is loud and clear, which makes it easy for users to hear what is being said.   The device is also equipped with a red emergency button that can be used to call for help in emergency situations. When the button is pressed, the device automatically dials a pre-programmed number, such as that of...

2023-5-7 LEES VERDER

Explosieveilige verlichting in China: veiligheid garanderen in gevaarlijke omgevingen
In hazardous environments where flammable gases, dust, or vapors are present, ensuring safety becomes a paramount concern. The risk of explosions and accidents is high in such areas, making it crucial to implement preventive measures. One essential aspect of ensuring safety in these environments is the use of explosion-proof lighting. These specialized lighting fixtures are designed to minimize the risk of explosions, providing a safe and well-lit environment for workers. In this article, we will explore the importance of explosion-proof lighting and its various applications.   Explosion-proof lighting fixtures are specifically engineered to contain any potential sparks or explosions within the fixture itself. They are constructed using robust materials that can withstand the force of an explosion and prevent it from spreading. These fixtures are sealed tightly to prevent the entry of flammable gases or dust, and their electrical components are designed to minimize the risk of a spark igniting the surrounding atmosphere.   One common application of explosion-proof lighting is in the oil and gas industry. Drilling platforms, refineries, and petrochemical plants are exposed to flammable gases and vapors, making them highly susceptible to explosions. By utilizing explosion-proof lighting fixtures in these facilities, the risk of an accident is...

2023-8-1 LEES VERDER