Old Army Telephone Outgoing Caller ID Telephone Hall Phones Free Jail Phone Calls

Basic Info.Model NO.JWAT924TypeVoIP Inmate PhoneFunctionCommon Key Phone, Caller Number Presentation Phone, Recording Phone, VoIP PhoneDisplayWith DisplayTouch ScreenWithout Touch ScreenAccessoriesTelephone HeadsetsCustomizedCustomizedMaterialStainless SteelInstallationWall-MountedProtocolSIP2.0(Rfc-3261)Audio Amplifier2.4WVolume ControlAdjustableSupportRtpCorrosion GradeWf1Ambient Temperature-40~+70ºCAtmospheric Pressure80-110kpaRelative Humidity≤95%Anti-Vandalism LevelIk10TrademarkJOIWOTransport PackageCartonSpecificationCE, explosion certificateOriginZhejiang, YuyaoHS Code8517699000Product Descriptionold army telephone outgoing caller id telephone hall phones Free Jail Phone Calls Product Description:1.304 stainless steel material shell, high mechanical strength and strong impact resistance.2.Heavy Duty handset with hearing Aid compatible receiver, Noise canceling microphone available.3.Metal Keypad with volume control button.4.With display, can display the outgoing number, call duration, etc.5.The sensitivity of the speaker and microphone can be adjusted; optional voice coding methods such as G.729, G.723, G.711, G.722, G.726;Support 2 lines SIP, SIP 2.0 (RFC3261).6.IP Protocols:IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP.7.Weather proof protection to IP658.Wall mounted, Simple installation.9..Multiple housings and colors.10.Self-made telephone spare part available. 11.CE, FCC, RoHS, ISO9001 compliant.Technical Parameters:ProtocolSIP2.0(RFC-3261)Audio Amplifier2.4WVolume ControlAdjustableSupportRTPCodecG.729,G.723,G.711,G.722,G.726Power Supply12V (±15%) / 1A DC or PoELAN10/100BASE-TX s Auto-MDIX, RJ-45WAN10/100BASE-TX s Auto-MDIX, RJ-45InstallationWall-mountedWeight3.0KGApplication:About Us:FAQ:Certification :SGS, ISO 9001:2000 , CE, FCC,ROHS,CNEX, IP65/IP66/IP67,Packing:6 set/carton,21kg/cartonDelivery date:10-20 daysMOQ:1 setSupply Ability:5000 sets/monthPayment Term:T/T, Paypal, Alibaba Trade Assurance, L/C or others for negotiation.Samples Offer:Samples are available and can be free for strategic customer.Samples arrangement:Standard samples will be prepared to sending in about 3 working days. (And DHL 3-5days; UPS 3-5days; Fedex / TNT 3 5days; EMS 7 days to reach destination)After-sales Service2 Years' Warranty and spare parts are available for maintenance.ContactTel: 0086-574-58223619, Mob: +86-13858299692