1) With 2100m fc optical interfaces.
2) Gamepad full-duplex call belt with silicone dial keyboard.
3) Support for various voice-encoding protocols, such as: g.711 a-law / μ -law,g.729a, g.723.
4) Unpick automatic dialing, can set up automatic dialing management center or emergency duty room.
5) Outside calls can be transferred out to 119 / 110 through the monitoring center.
6) Cold tie-in steel shell, waterproof, dustproof, ip65.
7) Power supply mode: ac220v or dc12v.
8) Support international standard sip protocols and can connect to the vast majority of systems.
9) With protective front cover, long-term use of the phone is still as new, magnetic suction door cover, easy to use.
10) The top with the bell indicator light, call sound and light prompt.
Features
1. Standard Analogue / SIP / 3G / 4G phone
2. Robust housing, constructed of cold rolled steel
3. Vandal resistant handset weith armored cord
4. With three buttons for emergency call
5. Non-volatile memory
6. On wall mounting, simple installation
7. Inductive coupler fitted as standard for hard of hearing
8. CE, FCC, RoHS, ISO9001 compliant
9. Telephone line powered (Analog version )
10. External Power supply or PoE powered (SIP version)
Application
Widely used in prisons, hotels, subways, airports, toll booths, streets, public squares, courts, railways, parking lots, police stations, hospitals, prisons, guard stations, bank halls, ATM machines, stadiums, etc.