Competitive Price for JWBT820 Explosion Proof IP Telephone – Public Telephone Lock Body


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We insist on offering high-quality creation with superior business enterprise concept, honest revenue plus the greatest and fast service. it will bring you not only the high quality solution and huge profit, but essentially the most significant is usually to occupy the endless market for Outdoor IP Camera , outdoor telephone handset , Inmate Phone , We have confident that we can provide the high quality products at resonable price, good after-sales service to the customers. And we will create a bright future.
Competitive Price for JWBT820 Explosion Proof IP Telephone – Public Telephone Lock Body 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:

Competitive Price for
 JWBT820 Explosion Proof IP Telephone – Public Telephone Lock Body detail pictures

Competitive Price for
 JWBT820 Explosion Proof IP Telephone – Public Telephone Lock Body detail pictures


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We have many excellent staff members good at marketing, QC, and dealing with kinds of troublesome problem in the production process for Competitive Price for JWBT820 Explosion Proof IP Telephone – Public Telephone Lock Body, The product will supply to all over the world, such as: Serbia , Vietnam , Honduras , Taking the core concept of "to be the Responsible". We will redound up on society for high quality products and good service. We will initiative to participate in international competition to be a first- class manufacturer of this product in the world.
  • It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
    5 Stars By Martina from belarus - 2015.11.06 10:04
    In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
    5 Stars By Elva from Atlanta - 2015.12.14 15:26

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