China New Product JWBT821 Explosion Proof Voip Telephone – Metal Telephone

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

250～3000 Hz

PA output power

10～25W

Defend Grade

IP68

Corrosion Grade

WF1

Ambient Temperature

-40～+60℃

Atmospheric Pressure

80～110KPa

Relative Humidity

≤95%

Lead Hole

3-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;