Hot Sale for JWBT820 Explosion Proof IP Telephone – Telephone Box Coin Telephone


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The company upholds the philosophy of "Be No.1 in quality, be rooted on credit and trustworthiness for growth", will continue to serve old and new customers from home and overseas whole-heatedly for Proof Safety Telephone , Aviation Telephone Handset , PTM Switch Handset , We warmly welcome customers from all over the world for any kind of cooperation with us to build a mutual benefit future. We are devoting ourselves wholeheartedly to offer customers the best service.
Hot Sale for JWBT820 Explosion Proof IP Telephone – Telephone Box Coin Telephone Detail:

Application

1. Suitable for explosive gas atmospheres Zone 1 and Zone 2.

2. Suitable for IIA, IIB explosive atmosphere.

3. Suitable for dust Zone 20, Zone 21 and Zone 22.

4. Suitable for temperature class T1 ~ T6.

5. Widely used in oil exploration, chemical, military, pharmaceutical, oil refining and other hazardous environments and depots, offshore oil platform, oil tankers and other places.

Product Feature

1. Support SIP 2.0 (RFC3261) and SIP-related RFC.

2. Speech Coding: G.711A / u, G.7231 high / low, G.729a / b, G.722, G.722.1, G.726.

3. Echo cancellation: Support G.168, full duplex, support VAD, CNG.

4.DTMF to support: SIP info, DTMF Relay, RFC2833.

5. Support SIP application, including SIP Call forward / transfer (blind / attended) / hold / waiting / 3 way talking.

6. Support server conference.

7. Support path, gruu.

8. Support SIP Privacy.

9. Support xDSL PPPoE, and supports break automatically redial.

10. Support VLAN (DATA VLAN and VOICE VLAN).

11. Support STUN client.

12.WAN port supports primary and secondary DNS servers, support for DHCP mode can be selected using the dynamically obtained DNS DNS address or use a static configuration.

13.Support DHCP Client on WAN port.

14. Support DNS Relay, SNTP Client, Firewall.

15.Qos support Diffserv.

16. Support command network tools: Including ping, trace route, telnet client.

17. By IPBPX, it enables group calls, broadcast function.

Technical Parameter

Explosion-proof mark

Exde[ib]ibIIBT6/DIPA20TA,T6

Working voltage

AC220V

Network protocols

TCP/UDP

WAN port

10/100 Base-T RJ-45 for WAN

Frequency response

2503000 Hz

Ringing level

≥80dB

Defend Grade

IP68

Corrosion Grade

WF1

Ambient Temperature

-40+60℃

Atmospheric Pressure

80110KPa

Relative Humidity

≤95%

Lead Hole

2-G3/4”

Weight

12KG

Installation

Wall Mounted

 

Using Method

1. The caller takes the handset off hook, dial the callee’s telephone number→ the callee’s telephone rings.

2. The callee hears ringing → pick up the handset to answer the call, both sides under normal conversation.

3. At the end of the call, hang back the handset.

4.Much more instructions, please refer to the attached Instuctions of Voip phone. Such as: hotline, call forwarding, call waiting, three-way calling, black list, white list, limit list and so on.

Package

1 unit per carton; Carton Size:44x32x27cm

Warranty

Under normal use, non-human damage, free one-year warranty;


Product detail pictures:

Hot Sale for
 JWBT820 Explosion Proof IP Telephone – Telephone Box Coin Telephone detail pictures

Hot Sale for
 JWBT820 Explosion Proof IP Telephone – Telephone Box Coin Telephone detail pictures


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Our staff through skilled training. Skilled skilled knowledge, potent sense of company, to satisfy the provider requirements of consumers for Hot Sale for JWBT820 Explosion Proof IP Telephone – Telephone Box Coin Telephone, The product will supply to all over the world, such as: Naples , European , Benin , Company name, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by ISO quality management standard strictly, creating top-ranking company by spirit of progress-marking honesty and optimism.
  • This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
    5 Stars By Nick from Malawi - 2015.06.03 10:17
    The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
    5 Stars By Audrey from Argentina - 2016.02.28 14:19

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