Telephone booth:
1. built-in noise elimination holes and sound-absorbing cotton design, can greatly reduce external environmental noise
2. aluminum alloy material, can be suitable for a variety of harsh environments, explosion-proof, anti-corrosion, high temperature resistance, flame retardant
Phones:
1. aluminum alloy die-casting shell, strong and durable, good sealing; outdoor anti-UV powder coating, environmental protection, long outdoor exposure to the sun does not fade
2. with magnetic gravitational door cover, can completely prevent dust and moisture into, long use handle, keys clean as new
3. equipped with anti-destructive earpiece, used to answer the phone, the material uses imported PC and ABS synthetic material, with stainless steel can be contracted hose, internal design with anti-destructive tensile steel rope, tensile force 200KG or more
4. equipped with digital physical keyboard, support full-duplex intercom with any designated terminal
5. using Teflon wire, acid and alkali resistance, high and low temperature resistance, anti-aging, no fire
6. using imported waterproof adhesive, high viscosity, high temperature and high pressure resistance, waterproof life of 10 years or more
7. with status indicator, convenient for users to understand its status
8. top with a ringing indicator, call sound and light prompt
9 handle, keyboard, circuit board, shell and other accessories using multi-layer waterproof, dustproof structure to achieve IP68 protection standards
10. with off-hook automatic dialing function, convenient for quick alarm
11. Support international standard SIP protocol, can be interconnected with most systems
12. able to receive broadcasts from the control room
13. capable of initiating broadcasts from all areas
14. support S1, S2, S3 three speed dial buttons
15. support various voice coding protocols, such as: G.711 a-law/ μ-law, G.729a, G.723
16. support remote software upgrade, configuration and monitoring
17 echo cancellation: support G.168, hands-free can support 96 milliseconds
18 wall-mounted design
19. strong compatibility, international standard protocol can support SIP protocol, GSM, fiber, cable, WIFI (optional)