Intercom System: Don't let a small mistake cost you a lot of money.

NGÀY ĐĂNG 06/04/2026

📑 Mục lục

In modern building security, Intercom is not simply a communication device. In reality, when you search for “Intercom”, what you truly need is an access management solution.

If you make the wrong choice from the consulting stage, the system will become an operational burden within just 1–2 years. Below is a roadmap to help you choose the right Intercom system optimized for each specific model.

Solutions by Operational Model

Many investors make the mistake of applying a residential system to apartment buildings, or using consumer-grade devices in industrial environments. Each environment requires a different Intercom system.

Villa & Private House

If you are facing these situations:

You don’t know who is at the gate when someone rings the bell, and you have to walk out to check → inconvenient & time-consuming
You are often away but still need to receive deliveries
You want to upgrade your home toward a smart home model

Optimal solution: Video Intercom + App + Smart Lock

Intercom camera at the gate (Outdoor Station)
Indoor monitor or smartphone
Mobile App connection (iOS/Android)
Integration with smart locks

How the system works (in practice)

When a visitor presses the doorbell, the image appears on your phone or monitor. You can talk directly and unlock the door remotely if needed.

When you are away:

Receive intercom calls on your phone
Remotely unlock the door for:
- Family members
- Delivery personnel
- Technicians

Office & Coworking Space

Real challenge: In office and coworking environments, the issue is not communication, but control & experience:

Employees freely access different areas → difficult to manage
Visitors are not properly verified
Reception handles everything manually → time-consuming
No access history → difficult to track

As the scale grows, this model quickly becomes inefficient and unprofessional.

Optimal solution: IP Intercom + Access Control → Unified on one platform

IP Intercom at entrances (reception, each area)
Access Control system
Centralized management software
Integrated surveillance cameras

How the system works (in practice)

For employees:

Use card / Face ID to access authorized areas
Cannot enter restricted zones

For visitors:

Pre-registration (QR code / appointment)
Upon arrival → scan QR or call via intercom
Reception / staff verify
System grants access accordingly

For management:

View full access history
Manage permissions by user / department
Control the system from a single interface

Apartment Buildings & High-rise Buildings

Real challenge: At this scale, the problem is no longer “whether to use intercom”, but:

High volume of traffic (residents, visitors, delivery personnel)
Security/reception overload during peak hours
No clear tracking of who entered/exited during incidents
Disconnected systems: intercom – camera – access control

In real operations, this becomes the biggest bottleneck of the entire building.

Optimal solution: Multi-tenant Video Intercom + IP Intercom + Access Control → Fully integrated and managed on a centralized platform

Entrance intercom panel (Outdoor Station)
Indoor monitors or mobile app
IP Intercom system connecting the entire building
Access Control for:
- Main entrance
- Elevators
- Restricted areas
Integrated surveillance cameras

Factories & Industrial Zones

Real challenge: In industrial environments, the issue is not just communication - it is response time & safety.

In many cases, a delay of just a few minutes can lead to serious damage.

Large areas with multiple zones → difficult to communicate quickly
Slow response during incidents (fire, accidents, system failure)
Lack of on-site emergency communication points
Dependence on phones or personnel → prone to disruption

Optimal solution: Industrial IP Intercom + Emergency Intercom

Intercom stations across production areas
Emergency call stations
IP-based system connecting the entire facility
Central control room
Integration with:
- Surveillance cameras
- Fire alarm system
- Public address / alert systems

All connected into a unified communication & security system

When is upgrading to IP Intercom mandatory?

Many hesitate due to the cost of IP systems, but in reality, traditional analog systems are becoming obsolete due to their limitations.

You should choose IP Intercom if:

Large scale: From 20+ intercom points
Integration needs: Want to connect with NVR or BMS
Scalability: Easily add devices via network without rewiring

3 mistakes that cause businesses to waste budget

Choosing based on price - not actual needs

Common scenario: Choosing cheaper devices to reduce initial cost without considering integration or scalability

Consequences: Low-cost systems often suffer from lag, poor audio quality after a short time, and lack of replacement parts

Not planning for scalability

Common scenario:

Only installing for current needs
No plan for expansion

When expanding:

System cannot support additional devices
Requires controller replacement or rewiring
In some cases, full system replacement

This is the biggest mistake for:

Apartment buildings
Office buildings
Factories

Deploying disconnected systems (no integration)

Common scenario:

Intercom system
Camera system
Access control system

Each operates independently

Consequences:

No centralized management
Difficult to track incidents
Increased operational workload

This is why many businesses later switch to integrated platforms like Genetec.

Why choose Intercom solutions from KPS?

With 16 years of experience in integrated safety and security solutions, KPS provides systems from:

ABB - Building & industrial solutions
Genetec - Unified security platform
Legrand - Smart building & intercom
CNB, Bosch, i-PRO - Surveillance cameras
Bosch, HID, Genetec - Access control systems

KPS is also a partner of leading global brands such as: Simplex (Johnson Controls), MAG, Kumahira, Tycon, GST, Janus Fire,... With a diverse product portfolio and strong partnerships, KPS delivers solutions that balance technical performance and investment cost.

Proven track record