Vandal-proof电话KNZD-05

模拟 网络电话 SIP

防破坏手机型号:KNZD-05尺寸:280X150X60mm材质:冷轧钢板KNZD-05防破坏手机用于囚犯电话。由金属体制成。防破坏电话坚固耐用。防恶意破坏电话广泛用于监狱和监狱中的囚犯通话。防恶意破坏的电话是强大的。犯人可以把钱用于给犯人打电话。防损坏的囚犯电话。由金属体制成。防破坏电话坚固耐用。防恶意破坏电话广泛用于监狱和监狱中的囚犯通话。防恶意破坏的电话是强大的。 The inmate can put money on phone for inmate calls. DESCRIPTION ITEM 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. 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. 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. (This function upon buyer’s requirement). 14. Powder coated in UV stabilized polyester finish. 15. The housing covered with a layer of reflective label for easy identification at night. Optional