Prisons, Jails, & Direct Connect Phones This Telephone is housed in vandal resistant cold rolled steel box and manufactured to a high standard, it is offer increased resistance to vandalism, and ensure that the primary function of communications is maintained at all times, resulting in a highly reliable product with a long MTBF. Ideal for parking lots, prisons, railway/metro platforms, hospitals, police stations, ATM machines, stadiums, inside and outside building etc. FEATURES VoIP/SIP,Standard Analogue/GSM phone available Weather protection IP65 Tamper resistant fixings Simple installation Magnetic hookswitch Fast-fit terminal connection Full Keypad,with LCD display DC 5V powered or PoE for IP Phone Quality of Service (QoS): ensuring optimal delivery of voice Type of Service (ToS): high throughput and reliability (RFC3168) ISDN gateway compliance: connect any SIP compliant VoIP/ISDN gateway to call to-and receive-calls from ISDN SIP (Session Initiation Protocol) RFC3261 Inbuilt redundancy: able to make diversion calls to 2nd PBX TR069 (Technical Report 069): for advanced status monitoring and control Configuration: web interface or server based configuration file. Static IP address provisioning or DHCP. Non-volatile memory Weatherproof and corrosion resistant handset Stainless steel armoured handset cord RJ45 connector for IP Phone CE, FCC,ISO9001,ROSH compliant Temperature Operating: -30°C to +65°C Storing: -40°C to +75°C Ringing Tone Shrill warble tone 90 dBA @ 1 metre typical M.T.B.F. Calculated to have an M.T.B.F. in excess of 50,000 hours using Dialing MF (tone)