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Door Intercom

Door Intercom

size: 133 * 130 * 82.5mm(size can be customized)
material:304 Stainless Steel Panel + Cold Plate Spay Pan

Door intercom with an uninterrupted steel casing communicate using the sip protocol and are often installed outside the open door.The door intercom uses network signal for communication, and has two-way audio and one-touch function, which is convenient and fast communication and stable.
door intercom description

Door intercom KNZD-68

        The VoIP door intercom will be designed to work on apartment, hospital, school, metro…Housed. FDSP ensure voice loud and clear. Good looking, durable, easy to install, comfortable buttons, and low power consumption. High durability, anti-oil, anti-acid, anti-alkali, strong anti-oxidant in line.

The three reasons to choose Kntech

    The best manufacturer for industrial telecommunication door phone system!
    Less than a half price of other businesses!
    24X7 hours on line quick services!


Web Business Management
    It is mainly used for remote management KNZD-68 voice access device, which includes such features as the device parameter management, access control parameter settings, log management.

door intercom in outdoor


VoIP information
    Support G.711,G.729, etc. Codec voice intercom
    Support SIP 2.0(RFC3261) and related RFC protocol
    Unlock function (swipe or communication) Visitor leave message
    Software upgrading on line or status

detail for door intercom


Mounting Size

the size about the door intercom


Access Control
    Access control is consist of KNZD-68 voice  access control, exclusive DC power supply and electric lock. Inside of KNZD-68, self-powered electric lock can directly drive the starting current of 500mA power locks. Additionally you can also access exclusive external DC power supply and the voice access output control signals to drive electric lock on and off by access exclusive DC power.


Intercom Function
    KNZD-68 voice door intercom system consists of KNZD-68 access control, SIP phones, phones installed SIP soft-terminal, IPPBX. KNZD-68 Voice Access supports standard SIP protocol, and has good system compatibility with main IPPBX in the market.


IP door phone
    Intercoms for every situation-whether in security, business, emergency or any other special area. From providing simple applications requiring a clear and easy connection to a single IP telephone to comprehensive communication arrangements integrated into security and signalling system and IP PBXS. Having the highest quality, certification and ensures compatibility with industry-standard-based IP network solutions such Avaya, Cisco, and others.


Analogue version(Option)
    Powered by telephone line use of Teflon wire line with military standards GJB-773 and UL1332 requirements.
    One-push button with illuminated press to call.
    Coming call indicator.
    Automatically release the line after the other part is hangup.
    With relay switch for monitoring electric (switch) lock.
    Support Call time limit.
    Pulse dialing: Dial pulse intermittent ratio: 1.6 ± 0.2:1.0
    Dial Pulse Speed: 10 ± 1 times / sec.
    Dual Tone Multi-Frequency (DTMF) dialing.


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==>>>> Product Specification

Basic Functions
WEB remote management of Terminal malfunction
Calling indoor extension for two-way conversation
Support SIP 2.0(RFC3261) and related RFC protocol

Communication protocol SIP 2.0(RFC-3261)
Master Chip Broadcom 1190
Keys Design Stainless steel and illuminated
Direct-button 1
Numeric Keypad Optional
Voice Microphone 1
Amplifier 0.5W-10W
Speaker 2W
Volume Contro Adjustable
FDSP Support(AEC)

Supportable Protocol RTP/RTSP
CODEC G.711, G.729
Port Power Supply 12V+-15%/1A DC or PoE
PoE PoE 802.3af (Class 0 - 12.95W) 48V/380mA
LAN 10/100BASE-TX s Auto-MDIX, RJ-45)
Cables HSYV or better
Passive Switch Normally Open and Normally Closed highest at 30V/1A AC/DC
Active Switched Output 12V/500mA DC
Rs232 Supported
Interface Power supply Standard PoE or 12V+-15%/1A DC option
PoE PoE 802.3af(Class 0-12.95W)
LAN 10/100BASE-TX s Auto-MDIX,RJ-45
Recommended cabling Cat-5e or higher
Passiveswetch NO and NC contacts,up to 30V/1A AC/DC
Actice switch output output 12V/700mA DC
Structure Shell Material Cold Rolled Steel
Phone Panel SUS304 stainless steel panel
Operating Temperature Operating Temperature
Working Condition Relative Humidity 10%-95%
Storage Temperature 40 C to70 C
Installation Wall mounting type
Waterproof degree IP65
Mounting screws M6 * 16 round tamper screw / each phone 4screw
Size 133 * 130 * 82.5mm (size can be customized MOQ50)

==>>>>Telephone System

Model: KNZD-68
The VoIP door Intercom / door phone will be designed to work on apartment, hospital, school, metro…Housed. FDSP ensure voice loud and clear. Good looking, durable, easy to install, comfortable buttons, and low power consumption. High durability, anti-oil, anti-acid, anti-alkali, strong anti-oxidant in line.

how to connect door intercom

==>>>>Product Application

Related Models

we can desing much door intercom.such as video door intercom,and so on

door intercom
door intercom can use place

==>>>>Product Detailed Pictures
door intercom door intercom front view

==>>>>Product Video

==>>>>Please Email US marketing@koontech.com

This product model:KNZD-68