Analogue/SIP/GSM Emergency Call Box, Outdoor Safety Speed Dial Phone
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Product Highlights
- Multi-Protocol Support: Compatible with Analogue, SIP, GSM, and 3G networks for versatile communication.
- Rugged Weatherproof Design: IP66-IP67 rating ensures protection against dust, moisture, and harsh environments.
- Anti-Vandal Construction: Corrosion-resistant cast aluminium body with tamper-resistant stainless steel shell.
- Flexible Power Options: Supports Phone Line, PoE, DC12V, Solar Panel, and Built-in Battery configurations.
- One-Touch Emergency Call: Pre-set target dialing function for instant hands-free emergency communication.
- Customizable Color: Available in Yellow or fully customized color options to match branding.
- Advanced Audio Quality: Full-duplex intercom with digital echo cancellation and high-volume ringer.
- Comprehensive Certifications: CE, FCC, RoHS, and ISO compliant for global safety and quality standards.
Product Attributes
- Customization
- Available
- Usage
- Commercial, Entertainment, Industry, Medical, Maine, Roadside, Tunnel
- Call Type
- Mixed
- Model NO.
- JR306-SC
- Hardware Technology
- Board
- Certification
- CE, ISO
- Condition
- New
- Color
- Yellow or Customized
- Speed Dial
- Yes
- Material
- Cold Rolled Steel
- Telephone Version
- Analogue/SIP/GSM/3G
- Weather Protection
- IP55-IP65
- Power Supply
- Phone Line/Poe/DC12V
- LED Indicator
- Yes
- Stainless Button
- Yes
- Vandalproof
- Yes
- Customzied Option
- Pillar/Solar Panel/Battery
- Transport Package
- Pearl Cotton, Carton
- Specification
- CE, FCC, RoHs, ISO9001, IP65-IP66
- Trademark
- J&R or Customer brand
- Origin
- Guangdong
- HS Code
- 8517180090
- Production Capacity
- 1000PCS/Month
Product Images of Analogue/SIP/GSM Emergency Call Box, Outdoor Safety Speed Dial Phone
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Product Description
Model No:JR306-SC
Weatherproof handsfree telephone fully contained within a corrosion resistant cast aluminium weatherproof case with a door providing complete protection against dust and moisture ingress,that could used for Railway, Highway side, Marine, Mining, Tunnels, Steel Plant,Chemical plant,Power plant and related industrial application, etc.

Option Parts: Solar Panel & Built-in Battery & Phone Pillar

FEATURES:
- Standard SIP Phone,avaliable for Analog Phone,GSM/3G Phone
- 24V DC input or Power over Ethernet (PoE)
- RJ45 Ethernet socket through IP67 plug connector.
- Corrosion Resistant & Anti vandal body
- Stable, durable and violence-resistible with a waterproof ratio of IP 66-IP67
- With the "one-touch call" function(by pre-setting up the target on the server),
- available for a full-duplex intercom
- Built in Ringer, which provides penetrating calling signal
- Impact, shock, fall and vibration proof,able to perform in difficult environments
- Multipurpose Design for Surface or Post mounting, Simple Installation
(Mounting Brackets for mounting on structure)
- With a built-in 8 ohm & 0.5W speaker and a microphone,available for making hands-free calls
- Compatible with standard SIP protocol, independently accessible to VOIP phone system.
(Asterisk, Elastix,Grandstream,Cisco,Yeastar etc. mainstream IP-PBX);
- Advanced digital echo cancellation technology, fully eliminate echo and prevent squeal
- It adopts high strength stainless steel shell and hexagon socket screw,
- With tamper-resistant, available for explosion-proof function
- Conformal-coated PCBA
- Inductive Coupler Fitted as Standard for Hard of Hearing
- Modular parts for easy service
- CE,FCC,RoHS Compliant

Technical Data
|
Analogue Version |
||
| Power Supply | From the analogue telephone network | |
| Supply Voltage | 24 VDC to 65 VDC | |
| Supply Current | 20 mA DC to 100 mA DC | |
| Ringer Volume | - 80dB(A) at a distance of 1 m - 110dB(A) at a distance of 1 m (for external horn speaker) |
|
| Dialing Method |
DTMF mode in accordance with ITU-T recommendation Q.23. |
|
|
SIP Version |
||
| Power Supply | PoE or 12V DC | |
| Power Consumption | -Idle:1.5W -Active:1.8W |
|
| SIP Protocol | SIP 2.0 (RFC3261) | |
| Support Codec | G.711 A/U, G.722 8000/16000, G.723, G.729 | |
| Communication Type | Full duplex | |
| Ringer volume | - 90~95dB(A) at a distance of 1 m - 110dB(A) at a distance of 1 m (for external horn speaker) |
|
|
3G Version |
||
| Power Supply | 12V DC | |
| Power Consumption | -Idle:0.3W -Active: 1.5W |
|
| Communication Type | Full duplex | |
| Ringer volume | 90~95dB(A) at a distance of 1 m | |
| Program Method | Remote programming by SMS | |
| Frequency | A version:
- Dual-Band WCDMA/HSDPA 850/1900MHz - Dual-Band UMTS/HSDPA 900/2100MHz - Dual-Band UMTS/HSDPA 850(800)/2100MHz |
|
|
Ambient conditions |
||
| Protection type | IP 66 as per EN60529 | |
| Operating temperature | -25°C to +70°C | |
| Storage temperature | -25°C to +85°C | |
Packaging & Shipping:
CERTIFICATIONS:

Company Information:
J&R is China based design and manufacturer of rugged communications equipment. Our telephones and systems work, and last, in environments where regular products wouldn't.
(All of our phone model avaliable for Analogue version,IP/SIP versio,GSM/3G version)
After well study your information,we sincerely hope to enter into partnership with your esteemed compnay.and we hope to serve you and cooperate with you for all of our product range in your market.
We could offer you all of our product range with ODM&OEM solution to meet your demands and requirement well.
and we will support you with the best product solution and costeffective solution to support you with the project requirement and marketing proposal.
Christine Tan
Sales Manager
J&R Technology Ltd
GSM : +86 18682018626
Choose J&R technology, Choose reliable talks !!
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR252777". Items marked "" are certified.
Company Profile
J&R Technology Ltd is established in 2012, our headquarters is located in Shenzhen, China. We are the leading provider of dedicated communication and solutions. We are committed to providing faster, safer, and more stable communication equipment and solutions for customers in public safety, transportation, industry, and a wide range of sectors for daily work and critical moments, helping society to be more efficient and safer.
With more than ten years of accumulation and precipitation, for outdoor, high humidity, high noise, explosive, and other special environmental characteristics, J&R has formed a full series of communication products and special solutions with waterproof, explosion-proof, anti-vandal, anti-noise capabilities based on analog, VoIP and GSM communication technology.
Our products are widely used in
Oil&Gas;
Maritime;
Industrial: (Power&Utility, Chemical&Pharmaceutical, Manufacturing&Processing, Metals, Minerals&Mining).
Transportation: (Airports, Harbors, Ports&Waterway, Highway&Tolls, Parking, Railway, Tunnels).
Building Security & Public Safety:
(Military Bases, Prisons, Security rooms, Police stations, Schools, Hospitals, Hotels, banks, inside and outside buildings).
With a complete product and customer service system, J&R can respond to customer needs rapidly, providing dedicated communication equipment and solutions for customers in more than 120 countries and regions. J&R has established long-term close cooperative relations with many important global companies such as; ABB, THALES, VINCI, Dating Telecom, CNOOC, Zhenhua Heavy Industries, and many other world-renowned enterprises.
Dedication and profession have been our pursuing goals during any production procedures, not only in developing and quality controlling but also in marketing and after-sales. We serve any single potential customer with the most suitable solutions and systems.
A Safe Voice in Global Communications
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 6,Building A1,XingYi Industrial Park,Fuyong Town,Bao'an District,Shenzhen,China
-
Plant Area
- 3000 square meters
-
Number of Employees
- 80
-
Registered Capital
- 20,000,000 RMB
- Terms of Payment
- LC, T/T, PayPal
- International Commercial Terms(Incoterms)
- FOB, CIF, EXW, Others, CFR, DAT, DDP, CPT
- Average Lead Time
- Peak Season Lead Time, within 15 workdays, Off Season Lead Time, one month
-
Nearest Port
- Shenzhen Port, Hongkong Port
-
Minimum Order Quantity
- 1 PCS
-
Supply Chain Partners
- 150
Our Production Capability & Technical Expertise
-
Main Products
- Weatherproof Telephone, Explosion-proof Telephone, Emergency Telephone, Industrial Telephone, Heavy Duty Telephone, Rugged Telephone, Prison Telephone, Elevator Telephone, Highway Call Box
-
Production Lines
- 6
-
Production Machines
- Production Line, PCB Aging Testing Room, Drilling Machine, Arm Drop Tester, Constant Temperature and Humidity Box, Electromagnetic Vibration Test Table, Key Life Tester, Oscilloscope, Rain Spray Test Chamber, Sand and Dust Test Chamber, Anechonic Testing Room, Telephone Analyzer, Universal Tensile Testing Machine, Xenon Lamp Aging Tester, Electrostatic Detection Equipment, High and Low Temperature Tester
-
Inspection Type for Finished Products
- 100% inspection Function inspection Visual inspection
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples,Customization from Designs,Full Customization,Flexible customization,Minor Customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 18 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2014-06-16
- Export Year
- 2016-03-23
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
-
Repeat Buyers Choice
- 30%~50%
-
Annual Export Revenue
- 4,034,700 USD
-
Number of Foreign Trading Staff
- 19
-
Overseas Agent/Branch
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO45001:2018, ISO14001
-
Product Certification
- CE, Others
-
Cooperated with Fortune 500
- Yes
FAQ
- What communication protocols are supported?
- The device supports Analogue, SIP, GSM, and 3G protocols, compatible with mainstream IP-PBX systems like Asterisk and Cisco.
- Is the phone suitable for outdoor use?
- Yes, it features an IP66-IP67 rating, making it fully weatherproof, dustproof, and suitable for tunnels, highways, and industrial sites.
- Can the color be customized?
- Yes, the standard color is Yellow, but fully customized color options are available upon request.
- What power supply options are available?
- It supports Phone Line, PoE, DC12V, and can be equipped with optional Solar Panels and Built-in Batteries.
- Is the device vandal-proof?
- Yes, it features a corrosion-resistant cast aluminium body, stainless steel shell, and tamper-resistant hexagon socket screws.
- Does it support hands-free calling?
- Yes, it includes a built-in 8 ohm speaker and microphone for full-duplex hands-free intercom communication.
- Are OEM and ODM services available?
- Yes, we provide comprehensive OEM and ODM solutions to meet specific project and marketing requirements.
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Product Groups
- Industrial Telephone
- Weatherproof Telephones
- Vandal Resistant Handset Telephones
- Explosion Proof Telephone
- Emergency Telephones
- Broadcasting Telephones
- Emergency Phone Tower/Highway Call Box
- Telephone Hood
- Elevator Telephons
- Telephone Accessories
- outdoor emergency telephones
- Prison inmate telephone
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