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Hongkong Koon Technology Ltd.

VoIP SIP Server, IP PBX Pabx, 24 Ports Intercom System manufacturer / supplier in China, offering 24 Ports Intercom System IP PBX Pabx VoIP SIP Server, Koontech Heavy Duty IP Telephone Outdoor IP66 Emergency Telephone, Emergency Light Tower Hood Cold-Roll Steel Sheets Phone Telephone Tower and so on.

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Supplier Homepage Product IP PBX / VOIP PCB board 24 Ports Intercom System IP PBX Pabx VoIP SIP Server

24 Ports Intercom System IP PBX Pabx VoIP SIP Server

FOB Price: US $300-3,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $300-3,000/ Piece
Get Latest Price
Port: Shenzhen, China
Production Capacity: 100PCS / Per Day
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: KNPB-24
  • Port Number: 16~48
  • Transmission Rate: 10/100mbps
  • Information Transmission Method: Digital
  • Scope of Cover: LAN PBX
  • Defend Grade: IP67/ IP55
  • Version: Analog / VoIP / GSM
  • Warranty: 18 Months
  • Ports: 50 / 100 / 300 / 3000
  • Other Functions: Self-Checking
  • Trademark: KNTECH
  • Specification: 320*205*120mm
  • HS Code: 8517180090
  • Type: VoIP Server IP PBX / Pabx / Pab Knpb-24
  • Transmission Mode: Full Duplex/ Half Duplex
  • Structure of Port: Modular PBX
  • Connection Mode: Time Connection
  • Brand: Kntech
  • Product Name: VoIP Server IP PBX / Pabx / Pab Knpb-24
  • Service: Manufacturer Direct Suppl
  • Multi-Party Talk: Yes
  • Usage: Warehouse, Villa, Dormitories, Temporary Offices
  • Bandwidth: 8.8 Gbps (Non-Blocking)
  • Transport Package: Pearl Cotton, Carton
  • Origin: Shenzhen, China
Product Description
24 Ports Intercom System IP PBX Pabx VoIP SIP Server 

Made of industrial environments that need an intercom telephone which can with stand rough usage & treatment.
The Weatherproof phone will be designed to work on Railway, metro, tunnel,etc. Housed in robust aluminium die case with spring loaded door, it will offer protection against the outdoor environment,vandals resistance and rot resistance.
The unit will meet all the latest European/UK standards for EMC and US FCC, telephony,
waterproofing IP66, and lightening protection together with offering the level of performance and reliability demanded in such an environment. 
 DTMF(Dual Tone Multi Frequency)
Standard and SMART Analogue and VoIP-SIP options available 
Matching with most PABX,PBX and PAX systems.
Product Name:24-ports unmanaged POE switch
Product model:KNPB-24

The 24 port 10/100Mbps PoE switch(with 2 gigabit Combo port ) with 400W internal power, provides a easier installation way for your PoE devices (IP cameras,VoIP,wireless AP,etc.).And it can detect your PoE devices according to PoE standard. So the users do not need to worry about the PoE switch will damage their PoE devices.The max transmission distance is 100 meters with Cat5 cables.Ideally,shorter cable would reduce the power degradation over the cables; with high quality cables also can reduce power loss.Plug & play design make the installation quite easy,users do not need any configuration,which make this PoE switch a very good choice for IP cameras,wireless AP,VoIP users.

Key Features:
• 24-Port 10/100Mbps + 2 Gigabit Combo port 
• Complies with the IEEE 802.3f/at standard
• Each switch port support auto-negotiation-10/20, 100/200Mbps (Fast Ethernet) , 1000/2000Mbps (Gigabit Ethernet).
• Support MAC address auto-learning and auto-aging
• Prevents packet loss with back pressure (Half-duplex) and IEEE 802.3x PAUSE frame flow control (Full-duplex)
• High performance Store and Forward architecture, broadcast storm control, runt / CRC filtering eliminates erroneous packets to optimize the network bandwidth
•Non-blocking switching architecture that forwards and filters packets at full wire-speed for maximum throughput
•8.8 Gbps Switching Capacity
•On/Off power switch

24 Ports Intercom System IP PBX Pabx VoIP SIP Server

24 Ports Intercom System IP PBX Pabx VoIP SIP Server
24 Ports Intercom System IP PBX Pabx VoIP SIP Server
24 Ports Intercom System IP PBX Pabx VoIP SIP Server
24 Ports Intercom System IP PBX Pabx VoIP SIP Server
24 Ports Intercom System IP PBX Pabx VoIP SIP Server

NEW VoIP Server IP PBX / Pabx / Pab Knpb-24 VoIP Phones from Kntech Technical specifications:
 Product name 24-ports unmanaged POE switch
 Order No. KNPB-24
 Standards & Protocol IEEE 802.3 10BASE-T
IEEE 802.3u 100BASE-TX
IEEE 802.3ab 1000BASE-T
IEEE 802.3z 1000BASE-X
IEEE 802.3x Flow Control
IEEE 802.3af Power over Ethernet
 Power SpecificationsInput: 100 - 240 VAC, 50 -60 Hz
400W internal power
48V DC
 Network interface 24 10/100Mbps PoE port (MDI / MDIX adaptive)
2 10/100/1000Mbps Gigabit copper RJ45 ports (MDI / MDIX adaptive)
2 SFP GBIC fiber module slots
 Physical Specifications Dimensions: 440 x 350x 44 mm
Weight:6.0 kg
 Electromagnetic radiationCE mark, commercial
FCC Part 15 Class A
VCCI Class A
 Environmental normsOperating Temperature: 0°C~40°C 
Storage Temperature: -10°C~70°C 
Operating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing
 LEDs- Each device: power light
- Per port (10/100 and Gigabit): connection speed indicator
- Per PoE port: PoE power-on LED
 Radiation / electromagnetic immunity, - EN 55024
 Certification CE, FCC, RoHS
 Performance Specifications •Forwarding modes: Store and forward
•Bandwidth: 8.8 Gbps (non-blocking)
•Buffer memory: 3Mb per system
•Addressing: 48-bit MAC address
•the address database size: 8,000 per system MAC address
 Warranty 1 year

NEW VoIP Server IP PBX / Pabx / Pab Knpb-24 VoIP Phones from Kntech
Question 1. What's the MTBF of the phone?
Answer: The MTBF is 50,000-70,000 hours. And the average failure rate is very low at 0.3%. 

Question 2. What's the advantages of your products compared with others?
a. Most of our products have got the International Standard certification. Such as IECEx, IP65, IP66, FCC, CCC, ISO9000, EMC, ROHS, SGS, ...etc.
b. We have enough stocks support flexible lead time within 3-7 days.
c. We support the best price lower than others with good quality and 24X7 hours online service. If you could share the project name and the photos of after-installation. We will offer 5-10% discount to support you.

Question 3. How long is the warranty period?
Answer: Normally the warranty period is 18 months after items received. If there any issues on the phones, we can send parts for your replacement.

Question 4. Will you offer any spare parts in free?
Answer: Yes, we can offer 2% spare parts(not included the phone housing).

Question 5. Can you provide a neutral version?
Answer: Yes. we can support neutral version. Normally, the default is our standard Kntech brand and the price is favorable than the neutral version. 

Question 6. If some parts of the phones occur issue need to be changed, can we find the parts in our local store?
Answer: Yes, if out of the warranty period, please let us know the issue and we will offer the technical data of the parts and reference price. 

Question 7. Can I purchase the accessories separately like PCB board, handset, buttons, speaker, keypad, ...etc?
Answer: Yes, we support MOQ 1pcs. 

Question 8. Can I do customized of the products? 
Answer: Yes, we support OEM \ ODM order. We have our own R&D Department with high technology support. Please provide your detailed requirements.

Question 9. Can I choose other colors of the phones? 
Answer: Yes, normally the default color is yellow. Some model like KNZD-04, KNZD-11, KNZD-13, KNZD-14... support red, blue or white. It is base on our stock. If the quantity over 100pcs, we can support other colors.  

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Any question about our NEW VoIP Server IP PBX / Pabx / Pab Knpb-24 VoIP Phones from Kntech, please contact us freely. 
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Ms. Lily Jiang
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