VOIP KNZD-05LS Prison Phone DESCRIPTION ITEM NO.ZD0050022 1. Cold-roll steel body, vandal & tamper-resistant hardware, easy installation. 2. Waterproof rating IP55 dust proof. 3. Full keypad with memory, 10 button programmable telephone, support free dial. 4. Magnetic reed hook-switch, with LCD display and key lock, no visible screws. 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 metal cord. 8. POE power supply or DC12V powered. 9. SUS keypad keep waterproof and dusty proof. 10. Temperature range from -40 degree to +70 degree. 11. Support echo cancellation, wall mounted type. 12. Remote software upgrade, configuration and monitoring. 13. Optional 7 minute time out to release the line if the handset is left off hook. Optional 14. Powder coated in UV stabilized polyester finish. 15. The housing covered with a layer of reflective label for easy identification at night. Optional 16. Application: Prison, bank, airport, school, metro, railway station, LRT, hotel, supermarket and pedestrian areas in cities etc.

HONGKONG KOON TECHNOLOGY LTD The Global Leader In Industrial Communication SPECIFICATION VoIP SIP2.0 telephone DTMF dialing Free dial (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,...