One of the most frequent inquiries we receive in our technical support is the following:
"I have a BTicino intercom and want to connect an Amazon Ring Intercom to be able to open the entrance door from my phone with Alexa. Is it possible? How is it done?"
It’s a completely logical question: the Ring Intercom is a very popular device and the idea of opening the entrance from your smartphone is very appealing. However, the answer is not simple and depends on several technical factors that you should know before buying or installing anything.
In this guide, we explain everything you need to know.
What is the Amazon Ring Intercom?
The Ring Intercom is an Amazon adapter designed to connect to conventional intercoms and allow:
- Receive calls from the entrance on your smartphone
- Open the door from anywhere
- Integration with Alexa and the Ring ecosystem
- Visit history and notifications
The device is installed in parallel to the existing indoor intercom, connected to its electrical terminals.
The most important thing before connecting: which system do you have?
This is the critical point. Before any connection, it is essential to identify which video intercom or door entry system you have installed. The most common BTicino systems in Spain are:
2-wire system (BUS)
- It only uses 2 wires for everything: audio, video, power supply, and opening
- It is the most modern and widespread system in recent installations
- Examples: BTicino Classe 100, Sfera New, Linea 3000
4+N system (4 wires)
- Uses separate cables for each function: call, audio, opening, power supply
- More common in older installations
- It requires correctly identifying each wire before connecting anything
❗ An incorrect connection can cause call failures, involuntary door opening, or system damage.
How do you connect the Ring Intercom to a BTicino intercom?
The Ring Intercom connects in parallel to the indoor intercom. The general process is as follows:
In 2-wire (BUS) systems
- Locate the two BUS terminals on the intercom (usually marked as 1 and 2, or BUS+ and BUS-)
- Connect the Ring Intercom wires to those same terminals in parallel
- Configure the Ring Intercom from the Ring app
⚠️ In older 2-wire digital systems, the Ring Intercom may not work properly due to BTicino's proprietary communication protocol.
In 4+N systems
- Identify the terminals: call (bell), audio (microphone/speaker), door release, and neutral
- Connect the Ring Intercom respecting each function
- Verify that the power supply voltage is compatible (the Ring Intercom requires between 8V and 24V AC/DC)
⚠️ In 4+N systems compatibility is usually higher, but voltages and polarities must always be checked.
How to disassemble the BTicino intercom to access the terminals?
The process varies depending on the model, but in general:
- Cut the power to the system from the electrical panel (very important)
- Remove the front casing of the intercom (usually with a flat screwdriver or gently pulling)
- Locate the terminal block on the back or bottom of the device
- Identify the wires according to the manufacturer's diagram (available in BTicino technical documentation)
- Connect the Ring Intercom wires in parallel to the corresponding terminals
- Reassemble the casing and restore power
💡 We recommend photographing the original wiring before touching anything, as the user in this inquiry did. It is a very smart practice that facilitates any later repairs.
Important limitations and warnings
The Ring Intercom is an Amazon product, not official from BTicino or Tegui. This implies:
- There is no guaranteed compatibility with all BTicino models
- In digital systems with proprietary protocol it may not work
- BTicino does not offer technical support for integrations with Ring
- An incorrect installation may void the system warranty
That said, in many conventional 4+N installations, the Ring Intercom works correctly if the connection is done properly.
Recommended official alternative: BTicino Classe 100X
If what you want is to open the door from your phone reliably and with official warranty, the recommended alternative is to replace the indoor intercom with a compatible BTicino WiFi monitor:
- BTicino Classe 100X: monitor with integrated WiFi, compatible with 2-wire systems
- Official Door Entry app for iOS and Android
- Remote opening, video call, and notifications from anywhere
- Fully compatible with existing BTicino installations
- No need for external adapters or complex configurations
This solution is more robust, has official technical support, and does not have the compatibility issues of the Ring Intercom.
Frequently Asked Questions (FAQs)
Does the Ring Intercom work with all BTicino intercoms?
No. Compatibility depends on the system. It usually works with conventional 4+N systems. It may not be compatible with 2-wire digital systems with proprietary protocol.
Do I need an electrician to install the Ring Intercom?
It is recommended to have a qualified technician, especially if you have no experience with electrical installations. Incorrect connection can damage the system.
Can I open the door from my phone with BTicino without Ring?
Yes. With the BTicino Classe 100X monitor and the Door Entry app, you can open the door from anywhere without needing any external adapter.
What voltage does the Ring Intercom need?
The Ring Intercom requires between 8V and 24V AC or DC. It is essential to verify that your system provides this voltage before connecting it.
Is the Ring Intercom compatible with Alexa?
Yes, the Ring Intercom integrates with Alexa and Amazon's Ring ecosystem, allowing voice control and automations.
Useful Resources
Professional Tegui and BTicino Store:
Distel Tegui and BTicino Store
Official BTicino Website:
Official Legrand Website:
Tegui Technical Information: