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KoonTech Hotline telephone KNZD-14



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hotline telephone description

Hotline telephone

The hotline telephone is a use of telephone service industry. The hotline telephone don't need to dial outside, just answer function. Scheduling hotline is often used in customer service, airport, railway station scheduling, etc. Hotline telephone using core technology has the function of lift machine automatic dial-up dial directly connected.Hotline telephone using metal shell, has the characteristics of the violence prevention. Looks solid, simple structure, easy installation, use, and are often used in the industrial internal scheduling.We specializing in the production and sales of stainless steel calling system Auto-dial phone water proof telephone  for prison use with CE certification As a professional Hotline telephone factory, we provide different kind of Hotline telephone and export to 130 countries. The Most Professional Hotline telephone Manufacture in Asia!Hotline is dedicated to the private phone in the red envelope of the service industry.

Hotline Phone and Hotline Telephone are cast from Cold-roll steel sheets

We can provide hotline phone for hospitals, bank lobbies, company front desks, stations, etc. Our hotline telephone and hotline phone are available in ip and analog versions. The standard version is red in appearance and can be customized to the customer's requirements. The hotline telephone has an automatic call pickup and an automatic dialing function.




1. Cold-roll steel body for easy Installation.

2. Waterproof rating IP55 dust proof.

3. Led indicator for incoming calls, support hot-line calling.

4. Weather resistant to IP55 standard, service temperature range from -30 degree to +75 degree. 

5. Lightening protection to ITU-T recommendation K.21.

6. Heavy Duty handset with hearing Aid compatible receiver, Noise canceling microphone.

7. Handset with industrial strong armored cord . 

8. Phone integrity wiring to enable the telephone system to check if the telephone unit is still

Operational.(If PABX have this available we can provide this function).

9. Optional 7 minute time out to release the line if the handset is left off hook. This function

upon buyer’s requirement).

10. Powder coated in UV stabilized polyester finish.

11. The housing covered with a layer of reflective label for easy identification at night.Optional

12. Application: Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant, bridge etc.




hotline telephone size



EN55022: emissions                                         EN55024immunity

Ingress Protection: GB4208-93 IP66 FCC        ITU-T Recommendations K21

EMCEN50121(Railway application-Electromagnetic Compatibility)

waterproof hotline telephone certificate


the ip hotline telephone packing




Unit size:240*130*35mm   Unit: N.W:1.36KG 

1pcs packing box size: 310*170*130mm   Unit N.W:1.36KG  Unit G.W:2KG 



==>>>> Product Specification

 SPECIFICATION - Analogue(Model NO.ZD0140012) 

1. PSTN analogue telephone                                          2. DTMF dialing                

3. MTBF:100000hours                                                    4. MTTR: 2 hours                

5. Connection: RJ11 screw terminal pair cable               6. Sound level of ringing:over 70dB(A).

7. Call transmission index:(5KM)SLR<12,RLR<-1,stmr>10, output impedance is 600 Ohm.maximum distance: 7KM

8. Applicable for various types of SPC exchange PABX and dispatching exchange system with feeding voltage of 33-60V.

9. Connection: RJ11 screw terminal pair cable (or RJ11 Socket of plug upon request),with stainless steel cable protected

10. Super strong function is available for dialing 12 groups of numbers stored in the memory,(maximum length of each number is 16 digits)

11. Standard frequency:low frequency group:697. 770. 852. 941Hz,high frequency group:1209. 1336. 1477Hz, frequency deviation:-1.5% ~ +1.5%

12. Ambient temperature:-30 ~ +60 degree. Relative humidity:10%~95% Atmospheric pressure: 86~106Kpa Circumstance noise:less than 60dB(A)

 SPECIFICATION - VoIP(Model NO.ZD0140022) 

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 802.1x),STP(IEEE 802.1d), RSTP(IEEE 802.1d-2004)

==>>>>Telephone System

What is hotline telephone system?

The hotline system is a point-to-point, many-to-one, full-duplex communication collection system. Each telephone terminal can quickly use the voice communication and control room or the switchboard to get in touch. The hotline telephone system we provide consists of ip pbx technology, which uses a self-developed operator workstation. The entire system is specific, queue, automatic assignment of operators, transfer, monitoring and other functions. Hotline phones are usually installed in conference rooms or in control centers. The terminal uses a red hotline phone, which can be an emergency intercom or a landline with automatic dialing.
The hotline telephone system we provide is usually used in petroleum, chemical, natural gas, power plants and other places. The hotline telephone system can be used as a fire telephone system or as an emergency telephone system.

How does the hotline telephone system work?

The hotline telephone system uses the ip network signal for communication, the call is free, and the call quality is good. First, you need to set up a set of virtual phone numbers for the hotline phone, and then set the speed dial number of all the terminal phones or emergency intercom to the virtual number of the switchboard. When you need to make a hotline call, you only need to pick up the phone or press the speed dial button to talk to the hotline.

Hotline telephone system

==>>>>Product Application

The Hotline telephone install inside

Hotline Telephone in ATM side

hotline telephone

Hotline telephone application place

==>>>>Product Detailed Pictures
Hotline TelephoneHotline Explosion-proof Telephonehotline telephone right view hotline telephone right view hotline telephone left view hotline telephone right view

Customized telephone, please contact us if you need more customized phone

hotline telephone stainless steel

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KoonTech Hotline telephone KNZD-14

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