Virtual PBX Knowledge 28/04/2026

The Most Affordable and Reliable Internal Telephone System Today

Today, you can make calls using FaceTime, Messenger, Websites… or dozens of other calling applications. And a virtual PBX system does the same for your office number. An internal telephone system is also called a VoIP (Voice over Internet Protocol) solution on a cloud platform. These are better alternatives to traditional PBXs. Simply because virtual PBXs are cheaper, more flexible, and operate on the devices you use most often. Like mobile phones, laptops, desktop computers, etc., instead of deploying rows of copper wires connected to traditional office phones for making and receiving calls, virtual calls are made using broadband internet connections.

And with so much work being done at home or in combination with the office, the need for bulky wired desk phones seems impractical. A smart virtual PBX solution allows you to be unconstrained and freely make and receive business calls and communicate with clients anywhere, as long as you have an internet connection.

Benefits of a wireless internal telephone system

Wireless PBX Systems Offer Numerous Benefits to Businesses

Compared to traditional landline telephone systems, wireless PBX systems offer many superior advantages. These include not only cost savings, time savings, space limitations, and installation equipment, but also the following great benefits:

Easy Setup

When deploying a virtual PBX, businesses don’t need to invest in additional hardware. The setup process is incredibly fast.

Integrated Productivity Tools

Tools such as call recording, call distribution, voicemail-to-text conversion, internal messaging, etc., can help employees work more efficiently and provide better customer support.

Integrated Modern Features

Integration with CRM, messaging, live chat, ticketing, video calls, and other features can provide deeper customer insights and increase employee productivity. Customer Support

According to research by leading experts in the customer care field, wireless internal telephone systems offer superior customer support. Interaction and connection with customers are faster and more convenient, while providing a seamless multi-channel experience.

Affordable and Cost-Effective Internal Telephone Systems

Modern internal telephone systems save on equipment investment costs and eliminate the need for labor and repair expenses. Furthermore, they reduce call costs for businesses and allow for completely free internal calls.

Easy and Unlimited Extension Expansion

With traditional telephone systems, businesses face obstacles when relocating offices or expanding branches due to the complex and cumbersome nature of the system. However, with virtual telephone systems, it’s completely easy. Businesses wanting to expand extensions simply need to notify the provider. Setup can be completed within the same day.

In addition, affordable internal telephone systems are regularly maintained by the service provider and frequently upgraded and updated with new features.
We offer the most affordable and reliable internal telephone system installation service currently available.

OMICall – The Most Reliable and Affordable Internal Telephone System Installation Service Today

With the rapid development of the digital age, coupled with the increasing needs of businesses, many internal telephone system installation services have emerged, aiming to improve customer service and provide an excellent experience for their clients. However, prices vary depending on the features of the system.

OMICall is proud to be the most reliable and affordable provider of internal telephone system installation services for businesses today. OMICall has extensive experience working with numerous SMEs and is ready to develop plans and strategies tailored to each business’s goals. Our systems offer many modern and advanced features to help businesses optimize customer care efficiency. More convenient team management and business operations:

Intelligent call recording, routing, and allocation

Free internal company calls

Automatic customer allocation for Telesales/Sales departments

Advanced, modern VoIP technology

Integrated with SMS Marketing platforms for more convenient and professional customer care.

Easily add tags/notes and post notes after each call with customers.

Integrated CRM features for efficient information storage and customer relationship management.

Automatic E-Voice integration based on pre-prepared business scenarios.

API system connectivity with multiple platforms.

Automatic call forwarding to personal mobile numbers when you are outside the office.

OMICall Price List – Affordable Internal Telephone System

Proud to be an affordable internal telephone system service, OMICall offers virtual PBX systems with flexible pricing options to suit the needs of each business. You can refer to OMICall’s price list for affordable internal telephone system installation services below:

Package valueAdvantage
OMI START 350,000 VND/month1-5 employees. Unlimited customer storage. Setup fee: 300,000 VND.
OMI BUSINESS600.000 VND/ month6-10 employees. Unlimited customer storage. Setup fee: 500,000 VND.
OMI ADVANCE1.000.000 VND/ month11-20 employees. Unlimited customer storage. Setup fee: 800,000 VND.
OMI ADVANCE1.200.000 VND/ month21-30 employees. Unlimited customer storage. Setup fee: 1,000,000 VND.
OMI ADVANCE30.000 VND/ monthOver 30 employees. Unlimited customer storage. Setup fee: 2,000,000 VND.

Phone Number for Internal Telephone System Repair and Maintenance

Owning a virtual telephone system can sometimes lead to technical problems. Call our internal telephone system repair and maintenance hotline immediately: 0272 7777 787. OMICall’s technical team is always ready to assist you 24/7.

If you need to purchase an affordable internal telephone system, register with OMICall – the most modern and intelligent virtual telephone system service. Set up your system quickly and receive many attractive offers and gifts. Furthermore, OMICall offers a 1-month trial of our virtual telephone system. You can register for a free trial today by contacting us via:


VIHAT TECHNOLOGY Co., Ltd

Headquarters: ViHAT Building – 06 Street No. 16 (Him Lam Residential Area) – Hiep Binh Chanh Ward – Thu Duc District – Ho Chi Minh City

Hanoi Branch: Floor 15, LADECO Building, 266 Doi Can, Ba Dinh, Hanoi

Cambodia Branch: Thida Rath #154 St. 33MC, Sangkat Steung Meanchey, Khan Mean Chey, Phnom Penh

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