Analogue, VoIP Inmate Telephone System

analogue, VoIP inmate telephone system JR201-FK-VC-SGeneral Introduction1. Analog/SIP/GSM/3G telephone  2. Vandal resistant handset and cord 3. Weather proof protection:IP54-IP65 4. With volume control button  5. wall mounting simple installation 6. Inductive coupler fitted as standard for hard of hearing 7. CE, FCC compliant Application:prison, jail, school, gym, commercial center, parking lots, airport, railway/metro,elevator, gate, university, clean room, office etc. Technical Specification:  Telephone VersionsAnalog,SIP,GSM,3G optionalOperating Temperature -30°C to +65°CStoring  Temperature -40°C to +75°CRinging Tone80 dB @ 1 meter typicalM.T.B.F.excess of 50,000 hours using Power Supplytelephone line or DC or solar poweredWeather ResistanceIP54-IP65Casing Materialvandal proof aluminium bodyPackageunit size: 247 *130 *132(mm)      Carton size:340*235*165( mm ) Packaging materials: pearl cotton, carton Gross weight: 3.5KG Net weight: 3KG /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1