Up to 87 programmable buttons.
Each button can call up to 5 numbers.
The keypad can be used to make a call (ie to dial a phone number or dial an extension).
You can use the keypad to access the object using your own access code.
Intercom programming and management via web interface from any Internet browser.
Full duplex audio with echo cancellation.
Powered by PoE or 12V.
Ethernet RJ45 port for easy network connection.
It works with commonly available SIP servers and IP PBX exchanges, eg 3CX, Alcatel, Cisco, Fritz!Box, Siemens, Yeastar, etc.
You do not need any PBX, IP PBX, or SIP server for normal intercom operation.
The intercom works with other SIP devices as well as independently without a PBX thanks to the integrated SIP registrar.
Alternatively, you can use our own VoIP SIP cloud video system, which offers basic IP PBX functions including video calls.
Preview video support for Grandstream GXV3275 and GXV3370 desktop phones.
You can use the preview function to see the visit before answering the call.
Internal slot for microSD card, possibility to record own welcome and information messages, own tones.
Possibility to customize audio signaling.
The system offers up to 999 users with a keyboard.
Each user can store up to 5 phone numbers in the intercom memory.
Group or sequential calls to stored phone numbers for all users.
The user can be eg office, housing unit, classroom, etc.
The user can also be an individual with their desktop IP audio or video phone, Android or Apple iOS tablet, smartphone, Windows PC application.
Users can remotely open doors to control 1, 2, or up to 4 electric locks by DTMF dialing from their phone or by pressing a pre-programmed button on the phone.
Each user can store up to 4 of their own access codes for direct door opening using the keypad.
In total, the system offers up to 4x 999 access codes when using the keypad.
With its own access code, the user opens the door without calling the person inside the building.
The keyboard can be used separately without buttons.
Use the appropriate key combination to enter more complex access codes.
The buttons can be used as a code lock for direct door opening (a keyboard as an entry code lock is not necessary).
Sending an e-mail when not available, including a photo attachment.
Option of backlit business card/label modules using 12V power.
NFC access module including Android application without the need for access cards
NFC module requires an external 12VAC / 1A or 18-24VDC / 1A adapter that can be shared with an external intercom power supply
The intercom can also operate over a 2-wire connection via a 2-Wire-LAN Ethernet-2-wire converter including video and PoE power support.
The door sensor option or exit button can be connected.
Calling to SW applications, desktop phones, internal video IP monitors, mobile phones or tablets including a regular gsm call in combination with its own SIP VoIP GSM gateway, which has an embedded SIM card and an integrated SIP server.
10 common selectable codes for each switch (for each relay).
Intercom offers 30 internal SIP accounts for fast connection of up to 30 independent users without any PBX (suitable eg for smaller apartment buildings, smaller apartment buildings, companies, offices).
Up to 4 relays (2 internal and 2 virtual with the possibility of connecting any web IP relay for secure lock control).
10 schedules with the weekly program.
HTTP commands for remote control of buttons, relays, etc.
Real-time clock from NTP or SIP server.
Reliable firmware update.
Advanced and easy-to-understand log for self-analysis of correct settings.
Linux operating system.
Support jpeg, mjpeg video for internet browsers.
Supports H.263 and H.264 video codecs.
RTSP streaming (eg for Hikvision NVR, Synology, etc.).
Support for pre-view video on the latest Grandstream GXV3370 IP video phones.
Using a suitable combination of 30 internal SIP accounts of the IP VarioBell door intercom and 16 internal SIP accounts of the Grandstream GXV3370 IP video phone, it is possible to design very interesting solutions for schools, language classrooms, smaller office buildings, apartment buildings, apartment complexes, etc.
For apartments, offices, guest houses, or hotels we can offer 7 "or 10" indoor IP video monitors with ETH port including PoE power over Ethernet and pre-view video. Monitors can be mounted directly on the wall. We offer custom softphone applications including video preview and opening locks for OS Windows, Android, iOS Apple.
The IP VarioBell door intercom supports current status indication via LEDs (call, active call, door open).
Possibility of induction loop for impaired hearing people.
Surface mounting on the wall or flush mounting (i.e. it can be recessed into the wall).
Suitable for outdoor or outdoor installation. Outdoor installations require rain hood protection.
Protection class IP44.
The configurator shows the design of the modular allu Nexa system.
On request, the Inox metal construction can be supplied with a degree of resistance IK07 (thickness 2.5mm ANSI 304 stainless steel). With an exclusive anti-corrosion finish and a cool, cold-white backlight, the IP VarioBell outdoor door panel in Inox antivandal is the ideal choice for the most important homes and buildings. More information about IP VarioBell Door Communicator can be found at
IP VarioBell - SIP based VoIP video doorphone - SIP video intercom