Inmate Phone Calls

Inmate Phone Calls

The inmate phone call using a metal casing, has a destructive character. Prison call, with high-definition LCD display, 16 external metal buttons, use magnetic hook, the phone hangs up automatically when the phone is hung up, use metal phone line, prevent tearing.

Features:

1. With auto-dial function ( also can set with four groups speed-dial number according to requirements).

2. Storage number can be modified freely.

3. With total function of normal phone.

4. Vandal resistant and tamper-resistant hardware.

5. Applicable for all the environment either unattended or attended.

Main Product features

1. Cold-roll steel body, vandal & tamper-resistant hardware, easy installation.

2. Waterproof rating IP55 dust proof.

3. Full keypad with memory, 10 button programmable telephone, support free dial.

4. Magnetic reed hook-switch, with LCD display.

5. Lightening protection to ITU-T recommendation K.21.

6. Heavy duty handset with hearing aid compatible receiver, noise canceling microphone.

7. Handset with industrial strong metal cord.

8. POE power supply or DC12V.

9. SUS keypad keep waterproof and dusty proof.

10. Temperature range from -40 degree to +70 degree. 11. Support echo cancellation, wall mounted type.

12.Remote software upgrade, configuration and monitoring.

13.Optional 7 minute time out to release the line if the handset is left off hook. Optional

14.Powder coated in UV stabilized polyester finish.

15.The housing covered with a layer of reflective label for easy identification at night. Optional

16.Application: Prison, bank, airport, school, metro, railway station, LRT, hotel, supermarket and pedestrian areas in cities etc.

INSTALLATION

Main PCB

1.Well treated PCB used inside the phone.

2.Robust screw terminals used for the connection of ringer,handset,line in,hookswitch.

3.Selectable 7 minute time out,to release the line if the handset is left off hook.

4.All connectors be greased in production.

Handset

1.Kirk electro dynamic transducer for both handset transmitter and receiver.

2.Spring cable or armoured cable to attach the handset to the telephone main unit.

3.Stainless steel cable to connect exchange.

4.Inductive coupler fitted for hearing aid compatibility.

5.Handset integrity wiring to enable exchange to check if the phone is still operational.

VoIP OVER IP-SIP(Version)

Connection type:Rj45 Socket inside sealed enclosure 

Power supply:External 5V dc

Call set-up Protocol:Session Initiation Protocol(SIP)

Configuration:DHCP or STATIC IP address provisioning

Packaging Specifications

Unit size:280*150*130mm   Unit: N.W:2.37KG

1pcs packing box size: 320*190*190mm      Unit N.W:2.37KG   Unit G.W:2.9KG 

6pcs in 1 outer Carton box: size: 510*370*390mm  N.W:14.22KG  G.W:18.44KG

The KNZD-05LCD VOIP

VoIP SIP2.0 telephone                        DTMF dialing                           Audio Codes:G.711, G.722, G.729

MTBF:100000hours                            MTTR: 2 hours                        Network:10/100 BaseTX Ethernet, RJ45

Free dial (maximum length of each number is 16 digits)                     connectors, Cat5e or better

Communication: Full duplex 2-way hands-free                                    IP Protocols:IPv4, TCP, UDP, TFTP, RTP, RTCP,

communication                                                                                    DHCP, SIP

Call Control Signaling:VOIP SIP Info(DTMF), RFC                                   LAN Protocols:Power over Ethernet(PoE,802.3af),

2833(DTMF)                                                                                       WLAN(IEEE 802.3af), Network Access

Power:Power over Ethernet, IEEE802.3af, Class 0                             Control(IEEE 802.1x),STP(IEEE 802.1d),

Local power, 12VDC,Idle 2W, Max 10W                                               RSTP(IEEE 802.1d-2004)

Auxiliary Contacts:1 Aux Output, dry contact                                       Programming:Non-volatile flash memory

Contact Ratings. Load: Resistive load                                                   programming and configuration through Web GUI

Rated load:0.3 A at 125 VAC; 1 A at 30 VDC                                       Management and Operation:DHCP and static IP,

Rated carry current:1A                                                                         remote automatic software upgrade, centralized

Max.switching voltage:125 VAC,60VDC                                                monitoring, status LED

Max.switching current:1A                                                                        Echo cancellation code:G.167/G.168

The KNZD-05LCD Analogue

1.PSTN analogue telephone  

2. DTMF dialing  

3.MTBF:100000hours    

4. MTTR: 2 hours    

5. Connection: RJ11 screw terminal pair cable

6. Applicable for various types of SPC exchange PABX and dispatching exchange system with feeding voltage of 33-60V. 7. Ambient temperature:-30 ~ +60 degree. Relative humidity:10%~95%

Atmospheric pressure: 86~106Kpa Circumstance noise:less than 60dB(A)

8. Sound level of ringing:over 70dB(A). 9. Standard frequency:low frequency group:697. 770.

852. 941Hz, high frequency group:1209. 1336. 1477Hz, frequency deviation:-1.5% ~ +1.5%

10. Call transmission index:(5KM)SLR<12,RLR<-1,stmr>10, output impedance is 600 Ohm. maximum distance: 7KM

11. Super strong function is available for dialing 4 groups of numbers stored in the memory (maximum length of each number is 16 digits)

12. Connection: RJ11 screw terminal pair cable (or RJ11 Socket of plug upon request) with stainless steel cable protected

Tags:Prison Phone,Immate Phone,Prison telephone,Jail telephone

Inmate Phone Calls Dispatching Scheme

Inmate phone calls, different general public telephones, prisoner calls need to have certain confidentiality and monitoring. The prisoner's telephone dispatching system uses centralized management of sip server and regionalized management to achieve partition and monitoring integration.

inmate phone calls application place

Inmate phone calls detailed (front view,left view)