紧急电话KNZD-13

模拟 网络电话 SIP

紧急电话KNZD-13 Voip网络电话紧急电话紧急帮助电话与一个红色的金属外壳。电话使用冷轧钢材金属作为外壳材料,这是强和抗损伤。紧急电话Voip和模拟版本供客户选择。电话亭打电话可以作为只在紧急情况下,紧急呼叫,呼吁招牌式快速拨号电话。方便、快速、稳定,电话亭打电话通常是用作紧急帮助沟通在公共场所,如机场紧急呼叫盒子,高速公路,和火车站。我们专业生产和销售的紧急电话SOS设备电话维护电话银行ServiceTelephones公共场所或其他潮湿的环境你能从网络电话拨打911 ?是的,我们可以。我们是一个网路电话。我们可以通过网络和设置它招牌式直接拨打911电话。描述项目1。 Cold-roll steel body for easy Installation. 2. Waterproof rating IP55 dust proof. 3. Full keypad with memory, 10 button programmable speed-dial telephone. 4. Weather resistant to IP55 standard, service temperature range from -30 degree to +75 degree. 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.. Metal keypad keep waterproof and dusty proof. 9.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). 10. Optional 7 minute time out to release the line if the handset is left off hook. This function