Phone Systems · Herford
Always reachable in your business.
ISDN is history, telephony now runs over IP. We plan, cable and set up your VoIP phone system so that calls come through and extensions work reliably, in the office as well as at home.
- Do I need a new system after the ISDN shutdown?
- In most cases, yes, because telephony now runs over IP. We check your existing setup and give you honest advice on whether a conversion or a new system makes more sense.
- Is VoIP just as reliable as the old system?
- Yes, provided the network and internet connection are properly planned. That's exactly what we focus on during setup.
- Can home office workstations be connected?
- Yes. Extensions work at home with the same extension number as in the office.
- Do you also handle the network cabling?
- Yes, structured cabling is the foundation of every VoIP system, and we plan it in from the start.
- What business sizes is this suitable for?
- From a single office to a business with several staff, the system is tailored to your actual size.
Scope of service
What goes into a finished VoIP phone system.
A phone system is more than a box in the server cabinet. We think network, cabling and reachability together.
- Needs analysis We clarify the number of extensions, departments and desired features before we plan anything.
- Manufacturer-neutral selection We recommend the right IP system for your needs, not tied to a specific brand.
- Structured network cabling A properly installed LAN as a stable foundation for any VoIP telephony.
- Setting up extensions Direct dial numbers, call groups, call forwarding and answering machines tailored to your workflows.
- DECT connection Cordless phones for more freedom of movement in your business, cleanly integrated into the network.
- Home office integration Extensions outside the office with the same number and the same features.
- Failover planning Keeping important numbers and call forwarding reachable even during faults.
- Briefing and handover After installation, you and your team know how to operate the system.
How it works
From your enquiry to your first call.
Enquiry
You tell us your business size, locations and desired features, by phone or via the form.
On-site check
We inspect the network, internet connection and existing cabling and advise you on the right system.
Cabling & installation
We lay the necessary network technology and set up the phone system properly.
Handover
Function test, a short briefing for your team, and the system is ready to use.
Knowledge
Why every phone system now runs over IP.
ISDN is switched off, IP telephony is standard
Classic ISDN technology has been switched off nationwide. Telephony now runs over the internet protocol, whether at a single workstation or in a large extension system. For businesses this means that old systems often no longer work, or only work with limitations.
What matters for reliable VoIP telephony is a properly planned network. If the cabling in the building is sound and the internet connection is stable, IP telephony runs just as reliably as ISDN used to, often with more features and more flexible extensions.
We advise on a manufacturer-neutral basis for the right system for your business, without tying you to a single brand.
Network and phone system belong together
A VoIP system is only as good as the network behind it. Without a stable foundation, voice quality suffers even if the system itself is high quality. That's why, with every enquiry, we also check the fibre and network cabling in the building and upgrade it where needed.
If you're already planning a renovation or a new build, it's worth planning the phone technology directly into the electrical installation, rather than laying cables afterwards. If you'd also like to control rooms or calls intelligently, our smart home technology offers useful additions, such as coupled intercom systems or presence detectors for automatic call forwarding.
On site
In Herford and the region.
Whether it's a skilled trade business in Herford or an office in the surrounding area: we set up phone systems where your team actually works.
Frequently asked questions
What you often ask about phone systems.
Do I need a new phone system after the ISDN shutdown?
In most cases, yes. ISDN has been switched off, and telephony now runs over IP. We check your existing system and tell you honestly whether a conversion or a new system makes more sense.
Is VoIP telephony reliable?
Yes, provided the network and internet connection are properly planned. We design the cabling and configuration so that voice quality and reachability stay stable, even with several calls at once.
Can home office workstations be connected?
Yes. Over VoIP, extensions can be set up at home just as they are in the office, with the same extension number and the same features.
Do you also lay the network cabling for this?
Yes. A VoIP system needs a clean network as its foundation. We handle the structured cabling and, where needed, the fibre and LAN expansion in the building.
What business sizes do you set up phone systems for?
From a single office with a few extensions to a business with several departments. We plan the system to the actual size and reachability you need.
Last updated: July 2026 · Technical responsibility: Markus Bierbaum