模拟电话KNSP-09

网络电话 SIP 知识产权

铝合金压铸而成的大型隧道电话。重型电话坚固耐用。特殊的密封设计，确保防水等级达到IP66。防水、防尘、防潮。重型电话广泛应用于隧道和户外。大多数地铁和高铁项目需要安装IP66电话进行应急通信。高速公路和电厂也需要重型电话。海上需防潮电话。重型电话有模拟和Voip版本供用户使用。描述项目1。 Robust aluminium alloy die-cast body, Vandal & tamper-resistant hardware, easy Installation. 2. Waterproof rating IP66 dust proof. 3. Full keypad with memory, 10 button programmable speed-dial telephone. 4. Door cover: orient automatically and good self - closing, convenient for use. 5. Weather resistant to IP66 standard, service temperature range from -30 degree to +75 degree. 6. Magnetic reed hook-switch. 7. Lightening protection to ITU-T recommendation K.21. 8. Heavy Duty handset with hearing Aid compatible receiver, Noise canceling microphone. 9. Handset with industrial strong curly cord . 10. Silicon keypad keep waterproof and dusty proof. 11. Phone integrity wiring to enable the telephone system to check if the telephone unit is still Operational.(if PABX have this available we can provide this function). 12. Optional 7 minute time out to release the line if the handset is left off hook. This function upon buyer’s requirement). 13. Powder coated in UV stabilized polyester finish.