Connected to the future: Siedle IQ in-house telephones

Whether it is 1+n, 6+n or In-Home Bus , Siedle IQ connects existing systems to the digital future. For audio door intercom systems from 1952 onwards: simply exchange the in-house telephone for an IQ in-house telephone. Or install it directly in new systems. And connect to the Siedle app.

Connected to the future? For sure.

Siedle IQ-In-Home Phone Hosted in Germany

Made in Germany. Hosted in Germany.

Our digital products are subject to the same quality guarantees as our mechanical products: Not only do we manufacture them here in Germany, we also host our data here. On our server. For maximum security.

Siedle In-house telephone models up to 1952

Out with the old, in with the app

Easily upgrade an old intercom system with the Siedle app for mobile door communication: It’s a breeze with the IQ in-house telephones. For existing systems from 1952 onwards.

Siedle IQ-In-Home Phone Installation

Door communication that’s really smart.

Siedle IQ in-house telephones work just like conventional devices. Paired with the Siedle app, they also cleverly connect the door intercom system with mobile end devices.

Siedle IQ-In-Home Phone Hosted in Germany

Made in Germany. Hosted in Germany.

Our digital products are subject to the same quality guarantees as our mechanical products: Not only do we manufacture them here in Germany, we also host our data here. On our server. For maximum security.

Siedle In-house telephone models up to 1952

Out with the old, in with the app

Easily upgrade an old intercom system with the Siedle app for mobile door communication: It’s a breeze with the IQ in-house telephones. For existing systems from 1952 onwards.

IQ in-house telephones overview

Siedle IQ-In-House Telephone Installation

Mobile communication. Made easy.

The IQ indoor stations enable mobile door communication without any complex installation work: Simply mount and connect the Siedle IQ and link it to the router using the Siedle app for iOS and Android. The Siedle app guides you quickly and securely through the registration process – no specialist knowledge is required. Commissioning takes just a few minutes.

Siedle IQ-In-Home Telephone

The Siedle app. For systems from 1952 onwards.

Older intercom systems also have access to mobile door communication: they can be retrofitted with Siedle IQ and the app. The connection to the digital world works regardless of how old the system is. The IQ in-house telephones require an additional power supply for a stable WLAN connection. Siedle offers needs-based solutions for this.

Find out more about mobile door communication with the Siedle app
Siedle IQ-In-house telephone hosted in Germany

Server in Germany. Data in safe hands.

The encrypted connection to our server forms the basis for mobile door communication with the Siedle app. The IT processes, which also include data exchange with the server, are certified in accordance with ISO 27001. The server, located in Germany, represents our investment in the future and is at the heart of the intelligent "Siedle IQ" system. Everything that is connected to the Siedle server in future, will be part of Siedle IQ.

More about mobile door communication with the Siedle app
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Mobile in the In-Home bus

Door intercom systems in In-Home bus are a popular, low-cost option. The Siedle IQ BTS in-house telephone makes these door intercom systems mobile and connects them to our app with ease. In new buildings as well as for modernisation work, in residential or commercial buildings, with little technical effort and at a fair price.

Siedle IQ BTS in-house telephone
Siedle retrofit panel for IQ-In-Home telephone

Modernisation with the Siedle retrofit panel

The Siedle retrofit panels cover the wall cut-out precisely where old devices leave e.g. colored edges, drill holes or a flush-mounted box that is too large. There is no need for plastering or painting; retrofitting is quick and easy.

Watch the video

Getting the Siedle app up and running. It’s easy.

It only takes a few minutes to get the Siedle app up and running. Our video shows just how easy it is.

Highlights with IQ

Icon Software-Update
New functions automatically installed via software update
Icon_4_Lizenzen_320x320.webp
Four licenses for the Siedle app included (iOS or Android)
Icon Bluetooth
Easy commissioning via Bluetooth (“Plug+Play”)
Icon Server
Data security thanks to server located in Germany
Compatible Siedle in-house telephones
Power supply for Siedle IQ
IQ HTS or IQ HTA?
Requirements for IQ upgrade

Which in-house telephones are suitable for upgrading to Siedle IQ?

The IQ in-house telephones enable almost all older Siedle systems to be upgraded for mobile door communication. This overview shows which in-house telephones are suitable.

Siedle in-house telephone 1952
1952

The LN 7145, LN 7150 AND S 7150 models with the legendary Schrillo bell are available with three, five or ten call buttons.

Siedle in-house telephone 1971
1971

The pebble grey housing of the HT 111 features two buttons for door call, door release and light as well as a two-tone chime.

Siedle Haustelefon 1975
1975

The HT 311 with its characteristic buttons and list of names under the receiver is a classic from the 1970s.

Siedle in-house telephone 1976
1976

The HT 351 comes in light and dark brown, beige or orange. And with two or four signal lights.

Siedle in-house telephone 1978
1978

The HT 411 has a no-tangle cord and two buttons with key symbol and a red dot for door call or light.

Siedle in-house telephone 1986
1986

The HT 511 typically features a large door release or nine buttons and a field with three function elements.

Siedle in-house telephone 1991
1991

The HT 611 comes in black or white. The door release and function buttons can be pressed when the receiver is down.

Siedle In-Home Telephone1997
1997

The HTA 711 has a plug-in cord, light button and door release button as well as one tone each for door and storey call.

Do IQ in-house telephones need an additional power supply?

Our IQ in-house telephones are installed just like conventional in-house telephones. There’s only one difference – they need an additional power supply for a stable WLAN connection. Siedle offers solutions to suit your needs.

Siedle IQ HTS mit Netzgerät NG 602-01
Line rectifier 602-01

If an in-house telephone is replaced with a Siedle IQ in-house telephone in an existing system, this can be supplied with the available NG 602-01 line rectifier.

To the product
Siedle IQ HTS mit Netzgerät PSM 1 12 24
PSM 1 12 24 line rectifier

The PSM 1 12 24 line rectifier is the cost-effective solution for systems with up to two IQ in-house telephones or if there is not much space in the control cabinet.

To the product
Siedle IQ HTS mit Netzgerät PSM 1 12 24
Power supply unit

If there is no supply line, the IQ power supply unit can be used. Its modest black design suits many residential environments.

To the product
Siedle IQ HTS mit Netzgerät NG 706-30/33-0
NG 706-03 line rectifier

If IQ in-house telephones are used in larger residential buildings, the NG 706 line rectifier is ideal: it supplies up to eight IQ in-house telephones.

To the product

When do I need Siedle IQ HTS or IQ HTA and when do I need IQ BTS?

It depends on the technology installed - Siedle IQ is available for all systems: The Siedle IQ HTA replaces in-house telephones which were installed in 6+n technology. The Siedle IQ HTS replaces in-house telephones in 1+n systems, which are still used today. Siedle IQ BTS makes door communication in the In-Home bus mobile; in new or existing systems. Your electrician will know which IQ model is right for your installed system.

IQ-Haustelefone 1+n
Siedle IQ HTS

In-house telephone for 1+n technology with WLAN interface for mobile extension through the Siedle app.

Product details Siedle IQ HTS
IQ-Haustelefone 6+n
Siedle IQ HTA

In-house telephone for 6+n technology with WLAN interface for mobile extension through the Siedle app.

Product details Siedle IQ HTA
In-Home_Bus_IQ_320x320.png
Siedle IQ BTS

In-house telephone for the In-Home bus with Wi-Fi interface for mobile extension through the Siedle app.

Siedle IQ BTS product data

Requirements for modernisation with Siedle IQ HTA/HTS

Siedle IQ: the right additional supply

Siedle IQ in-house telephones bring mobile door communication to your smartphone. To do so, they need a stable Wi-Fi connection and an additional power supply. This video shows you which device is right for which project.

Frequently asked questions (FAQ) about Siedle IQ in-house telephones

In the case of the Siedle IQ in-house telephone for the 1+n system (Siedle IQ HTS), the QR code is on the device (under the receiver). This is reused for each log in. If the QR code is missing, a second QR code can be found inside the device.

Further frequently asked questions about Siedle IQ

Who you can trust

Durable and retrofittable

A Siedle system is a safe investment. Because we develop our systems for a long service life. And when developing new products, we attach great importance to backward compatibility and update capability.

Quality and sustainability

Made in Germany

We are a high-tech company that uses the latest production methods. It’s also traditional human qualities and skills that give our products their very own character.

Made in Germany

Simple. Secure.

Siedle products provide functions that make the lives of the people using them simpler and more secure. We avoid excessive and fussy complication in favour of greater clarity.

Technology for people