J&R Technology Ltd
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Handsfree VoIP Emergency Call Box JR303-SC

Handsfree VoIP Emergency Call Box JR303-SC

Housed in stainless steel box with stainless steel faceplate and manufactured to a high standard, This VoIP emergency call box offers increased resistance to vandalism, and ensure that the primary function of communications is maintained reliable at all times.

   Model Number: JR303-SC                         


Housed in stainless steel box with stainless steel faceplate and manufactured to a high standard, This VoIP emergency call box offers increased resistance to vandalism, and ensure that the primary function of communications is maintained reliable at all times.


Voice over Internet Protocol (VoIP) telephone requires a simple network connection and are compatible with most SIP-based IP-PBX servers to integrate into your existing network infrastructure. 


For connection to a VoIP enable network, this emergency call box offer direct connection to LAN or WAN via RJ45 connector, including Power-Over-Ethernet (PoE) as standard. This VoIP emergency call box also offers a wealth of additional features, and can be configured by web browser.

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  Applications of Handsfree VoIP Emergency Call Box                  

This emergency call box is Ideal for Elevators, Lifts, Gate entry,  Metro, Subway, Hotel, Hospital, Prisons, Fire station, Parking lots, Guard Stations, Police stations, Bank halls, ATM machines, Stadiums, Swimming pool, Class rooms, inside and outside building etc. 

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  MAIN FEATURES of Handsfree VoIP Emergency Call Box      

- Standard SIP/VoIP phone

- Robust housing, constructed of stainless steel

- Vandal resistant metal button


- Hands free operation

- Flush mounting, simple installation

- Weather proof protection: IP55-IP65


- 12V DC input or Power over Ethernet (PoE)
- RJ45 Ethernet socket through IP67 plug connector

- Compatible with standard SIP protocol, independently accessible to VOIP phone system

   (Asterisk, Elastix, Grandstream, Cisco, Yeastar etc. mainstream IP-PBX)


- With tamper-resistant, Conformal-coated PCBA
- Inductive Coupler Fitted as Standard for Hard of Hearing

- 4 X Tamper proof screws for mounting

- CE, FCC, ISO9001, RoHS compliant



  TECHNICAL SPECIFICATIONS of Handsfree VoIP Emergency Call Box     

Ambient conditions

Protection type

IP 66 as per EN60529

Operating temperature

-40°C to +70°C

Storage temperature

-45°C to +85°C  

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)


   PACKAGE of Handsfree VoIP Emergency Call Box                          

Unit size: 220 *300 *50 (mm)     

Carton size: 340 *235 *165 (mm)

Packaging materials: Pearl cotton, Carton

Net weight: 3.5 KG

Gross weight: 4.5 KG

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  Shipping Methods of Handsfree VoIP Emergency Call Box                        

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   CERTIFICATIONS                                                         

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    FAQ                                             

Q: Do you have any MOQ limit?

A: Low MOQ, 1pc is available.

Q: Can I have a sample order?

A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable. 

Q: What do IP Ratings mean?

A: IP Ratings apply to enclosures such as our telephone cabinets. They indicate how the enclosure protects against water and dust ingress, the higher the better.

Q: What about the lead time?

A: Normally within 2-5 working days. We have materials in stock for most of hot selling products. And mass production time needs 3-4 weeks for order quantity more than 100 units.

Q: Do you offer guarantee for the products?

A: Yes, we offer 2 years warranty to our products against delivery.

Q: What's the quality standard of your products?

A: CE, FCC, RoHS, ISO9001:2015 certification approved. All materials are in high grade and new. With the strict quality, every phone be thoroughly tested before leaving the factory.

Q: Is it OK to print my logo on the products?

A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.






J&R Technology is one of the leading China handsfree voip emergency call box jr303-sc manufacturers and suppliers with one of the famous brands, we also have our own factory, we are a professional company and can offer you best handsfree voip emergency call box jr303-sc products. Welcome to buy high-quality products from us.
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