Guangdong, China
Business Type:
Year of Establishment:
Plant Area:
2600.0 square meters
Management System Certification:
Terms of Payment:
LC, T/T, PayPal, Western Union
OEM/ODM Service
Sample Available
MEI Awards
Spanish Speaker

Waterproof Telephone, Video Doorphone, Entry Calling System manufacturer / supplier in China, offering VoIP Door Stations Phones Knzd-51 SIP Voice Doorphone, Wireless IP Door Phone Knzd-42IP Video Phone Intercom, Vandal Resistant Public Jail Inmate Prison Phone with Competitive Price and so on.

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VoIP Door Stations Phones Knzd-51 SIP Voice Doorphone

Get Latest Price
Purchase Qty. / Reference FOB Price
1-199 Pieces US $199
200+ Pieces US $99
Port: Shenzhen, China
Production Capacity: 1000
Payment Terms: T/T, Western Union, Paypal
Usage: Telephone, Computer, Workstation, Server
Type: IP Door Phone
Support Network: GSM
Information content: Voice
Certification: CE, ISO, RoHS
Condition: New

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Basic Info

Model NO.
Stainless Steel
Handset Free
Product Name
Intercom IP Door Phone
FCC RoHS Ce ISO9000(2000)
18 Months
Transport Package
340 *235 *165( mm )
HS Code
VoIP Door Stations Phones KNZD-51 SIP Voice Doorphone

KNZD-51 IP voice access telephone using advanced technology and the security and stability of Broadcom master chip, greatly improve the system's stability and durability while SIP2.0 standards-based protocol that can be perfectly compatible with all current mainstream SIP-based IP PBX / softswitch, IMS platforms such as Asterisk, Broadsoft, 3CX, Elastix, etc. for users to quickly deploy equipment more convenient.

KNZD-51 pan with a high-strength cold-rolled steel, with high-quality aluminum shell, impact resistant up to IK10 standard. Its product features and production process materials are inherited KOONTECH special industrial telephones high quality, high demand and so on. Product modeling beautiful, stylish, elegant, functional and practical, reliable, easy installation, comfortable buttons and low power consumption. Popular with customers welcome, is widely used in apartments, hospitals, schools, subways and other places.

1.Built-in dynamic noise reduction, to achieve high-quality voice communications
2.With light on Metal Keyboard
3. Support two SIP account
4. High-strength cold-rolled steel housing and high-quality aluminum shell, impact resistant up to IK10 standard
5. Support RFID, remote and password door open
6. Access control, intercom and IP broadcast triple feature integration
7. Support SIP2.0, support SIP2.0(RFC3261) and related RFC protocol
8. Using Web online configuration, easy to manage
9. Support safe mode, and can be upgrade the software.

Button: 12 full keypad with light and one handset free button or speed dial button
RJ45 network port x2: network x1 (Support 802.3af Class 1 POE)
PoE: 802.3af (Class 0 - 12.95W) 48V/380mA(Not a standard design)
Master chip: Broadcom
Audio Amplifiers: 2.5W
Powered: 12V+-15%/1A DC or POE
Material: Cold-roll steel sheets, Aluminium alloy
Weatherproof degree: IP55
Humidity: 10%-95%
Temperature: -40~70ºC

VoIP Door Stations Phones Knzd-51 SIP Voice Doorphone
VoIP Door Stations Phones Knzd-51 SIP Voice Doorphone
VoIP Door Stations Phones Knzd-51 SIP Voice DoorphoneVoIP Door Stations Phones Knzd-51 SIP Voice Doorphone
VoIP Door Stations Phones Knzd-51 SIP Voice Doorphone

VoIP Door Stations Phones Knzd-51 SIP Voice Doorphone

Why choose us
HongKong Koon Technology Ltd is the most professional manufacturer in Asia, The exclusive supplier for all Metro project in China.
We are the leading professional manufacture of most complete production line of IP66/IP67 emergency telephone, SOS phone, Weatherproof telephone, elevator telephone, tunnel trackside telephone, highway emergency phone.They are IP or PSTN/analogue telephone and wireless GSM 2G 3G. phone line powered, solar powered, or AC powered.
More than 100 models, different colors, different type of mounting, CE, FCC, IP66, ITU-T, ISO9001, EN50121 approvaled. ATEX DNV certificate under process.
Emergency telephone application:
indoor: Airprot, transtation, bank,koisk, elevator, university, hotel, hospital, plant, oil and gas.
outdoor: tunnel, highway, marine, outdoor station, construction, bridge, steel, mine, army, scenic region, 
Successful project in recent:HK MTRC contract XRL851, LRT Project in Malaysia, Bangalore Metro, HONGKONG KAIDA tunnel,HK MTR,Italian Metro,BKK Red Line Thaliand,
IKITELLI metro project, Mumbai metro in Indea, NSR project in Saudi,BHP Billiton australia, CSN Brazil, Chalco China, story bridge Austrialia,HSBC bank, China bank, ICBC, HK airport, Frankfurt France, BeiJin airport, Beijin University, HK university, etc.
About VoIP Door Stations Phones KNZD-51 SIP Voice Doorphone market:
Our Emergency telephone waterproof telephone intercom system are widely accepted in countries in North America such as USA, Canada, in European countries such as UK, Germany, France, Netherlands, Greece, Sweden, Ireland, Swiss, Austria, Luxembourg, Belgium, Italy, Spain etc. and Russia.

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