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

NGÀY ĐĂNG 06/04/2026

Tiên Võ

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

• 70+ high-rise building projects
• 600+ luxury apartment projects
• 30+ 5-star hotels & resorts
• 140+ factories & industrial zones
• Key infrastructure projects: airports, seaports, smart cities

A clear demonstration of KPS’s capability and credibility.

KPS is committed to providing customers with:

• Optimal solutions tailored to each project
• Professional implementation, on schedule
• Comprehensive technical support and after-sales service

KPS - Your reliable security and safety solution partner for all construction projects.