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Prison telephone system KNZD-53 VoIP

Prison telephone system KNZD-53 VoIP
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Prison telephone system KNZD-53 VoIP - 1

VoIP KNZD-53 Hotline telephone DESCRIPTION ITEM NO.ZD0530022 1. Stainless steel body, vandal & tamper-resistant hardware, wall mounted installation. 2. Waterproof rating IP55 dust proof. 3. Without keypad, support hotline calling. 4. Magnetic reed hook-switch. 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. POE power supply or DC12V. 9. Temperature range from -40 degree to +70 degree. 10. Support echo cancellation, wall mounted type. 11. Enhanced adjustable ringer up to 80 dB (A) at one meter. 12. Remote software upgrade, configuration and monitoring. 13. Optional 7 minute time out to release the line if the handset is left off hook. (This function upon buyer’s requirement). 14. Body in electrophoresis process finish no fingerprint, resistant to corrosion. 15. Application: bank, airport, prison, school, tunnel, metro, railway, LRT, speedway, marine, ship, offshore, mine, power plant, bridge etc.

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Prison telephone system KNZD-53 VoIP - 2

Koon Technology The Global Leader In Industrial Communication VoIP SIP2.0 telephone DTMF dialing Hotline (maximum length of each number is 16 digits) Communication: Full duplex 2-way hands-free communication Call Control Signaling:VOIP SIP Info(DTMF), RFC 2833(DTMF) Power:Power over Ethernet, IEEE802.3af, Class 0 Local power, 12VDC,Idle 2W, Max 10W Auxiliary Contacts:1 Aux Output, dry contact Contact Ratings. Load: Resistive load Rated load:0.3 A at 125 VAC; 1 A at 30 VDC Rated carry current:1A Max.switching voltage:125 VAC,60VDC Max.switching current:1A Audio Codes:G.711, G.722, G.729...

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