Introduction
Imagine you run a growing company in Kuala Lumpur. Your team is scattered across different offices, some employees work from home, and your phone bills for international clients keep climbing. You need a solution that makes communicating with everyone seamless without the cost and hassle of traditional phone lines.
This is where VoIP (Voice over Internet Protocol) comes in. VoIP lets you make phone calls over the internet instead of standard phone lines. Business VoIP takes this further, offering a complete internet-based phone system for companies, with tools for calls, messaging, and collaboration. In Malaysia’s corporate world, Business VoIP is becoming essential for reducing communication costs, improving flexibility, and supporting remote or hybrid work. This article explores the companies that offer Business VoIP services in Malaysia, common terms in Business VoIP, and the key advantages and potential drawbacks of using it.
Disclaimer: The companies listed in this article are provided for informational purposes based on our perspective. The order does not indicate ranking or preference. Readers are encouraged to contact the companies directly to confirm the latest services, pricing, features, and suitability for their specific needs. The information in this article is accurate at the time of writing. If you notice any inaccuracies, please reach out to us so we can review and update the content accordingly.
| Table of Contents |
| Introduction |
| List of Business VoIP Companies In Malaysia |
| ITGTEL |
| TM One |
| Maxis Business |
| Omni Hotline |
| REDtone |
| TIME dotCom |
| CloudPBX4U |
| CallaCloud |
| AstriCloud |
| Common Terms in Business VoIP |
| Pros and Cons of VoIP Use in Business |
| Conclusion |
List of Business VoIP Companies In Malaysia
1. ITGTEL

Location: Petaling Jaya
Founded: 2004
Website Link: https://itgtel.com/
ITGTEL is a fully online Business VoIP provider offering cloud-based phone solutions. Their platform supports HD voice, call recording, Interactive Voice Response (IVR), Auto Attendant, and DID numbers, allowing businesses to manage calls efficiently and professionally.
ITGTEL operates on a pay-per-use model with no contracts, installation fees, or technician maintenance costs. Businesses can manage phone lines remotely through the ITGTEL mobile app, port existing numbers for free, and access local business numbers with area codes. The company emphasizes people-first service and trial-first onboarding, offering four packages tailored to different business sizes and needs.
Best Suited For: Businesses that want a cloud-based VoIP system with flexible software and hardware options, low setup cost, and easy remote management.
2. TM One

Location: Kuala Lumpur
Founded: 2002 (TM Technology Services)
Website Link: https://www.tmone.com.my/
TM One, the enterprise arm of Telekom Malaysia (TM), provides high-capacity VoIP solutions designed to support heavy call traffic and enterprise-scale communication needs.
Their core solutions include Multi-Line SIP, which replaces traditional analog lines with a single digital trunk capable of handling multiple simultaneous calls. They also offer Centrex calls within the same High Speed Broadband exchange, allowing free calls within the same Centrex group ID. In addition, their Managed Voice solution lets businesses communicate anytime and anywhere using secure apps, providing business phone systems through IP connectivity with mobility features.
Best Suited For: Companies that want enterprise-level VoIP systems.
3. Maxis Business

Location: Kuala Lumpur
Founded: 1992 (Maxis Broadband)
Website Link: https://www.business.maxis.com.my/en/SME/
Maxis Business by Maxis Broadband offers VoIP solutions for businesses of all sizes, from small offices to large enterprises. Business Voice Connect is designed to replace traditional analog phones, where existing phones via an ATA or new IP phones can be used. This includes free calls to Maxis mobile and fixed lines within the company.
For businesses that want more advanced features, Managed Voice is a cloud-based PBX that allows employees to make and receive calls using the Maxis Deltapath app on smartphones. It integrates with Salesforce and Microsoft Teams and provides advanced tools such as IVR, call recording, and group hunting. For large enterprises, Business Voice SIP connects an existing PBX system to the internet with a SIP trunk, allowing multiple simultaneous calls.
Best Suited For: All types of businesses that have different needs regarding Business VoIP.
4. Omni Hotline

Location: Petaling Jaya (CelcomDigi)
Founded: 1997 (CelcomDigi)
Website Link: https://omnihotline.my/
Omni Hotline, powered by CelcomDigi, is a fully app-based VoIP solution that requires no physical hardware. The service runs entirely through the Omni mobile application, giving businesses a virtual phone system with local landline numbers even without a physical landline. Users can choose prefixes like 03, 04, or 07 regardless of their location, and calls are routed to the team via mobile phones. There are no setup fees or long-term contracts, just a subscription tailored to business size.
Omni Hotline also includes a Virtual Receptionist, which automatically handles incoming calls and transfers them to the appropriate staff members. The service offers different packages to meet the needs of small businesses, most businesses, and large corporations, allowing businesses to scale as needed while managing all communication through mobile devices.
Best Suited For: Businesses that want a completely mobile VoIP solution with virtual reception and local landline numbers, without the need for hardware or installation.
5. REDtone

Location: Puchong
Founded: 2002 (REDtone Digital)
Website Link: https://www.redtone.com/
REDtone Business VoIP offers multiple offerings to businesses of different sizes. For starters, SIPhony is an app-based system ideal for startups, where all features are accessible via a mobile app. This includes call recording, BizPhone extensions, a virtual receptionist, fax, call forwarding to multiple numbers, and the ability to make and receive calls from any device. There are no contracts, and users can choose between prepaid or postpaid subscriptions.
For larger teams, Cloud PBX provides a fully managed system with advanced features such as ring queues and ring groups, voicemail-to-email, multidevice softphone apps, and security protection. The system also includes an intuitive call center management interface to handle high-volume communication. SIP Trunking is also available for businesses that already have an IP-PBX, allowing their existing system (like Cisco, Avaya, or Asterisk) to connect to the public network with digital trunks.
Best Suited For: Small businesses looking for simplistic mobile VoIP solutions, and medium to large teams needing a fully managed cloud PBX with call center features.
6. TIME dotCom

Location: Shah Alam
Founded: 1996 (TIME dotCom)
Website Link: https://www.time.com.my/
TIME dotCom’s Business VoIP is typically offered in two main ways to support businesses of different sizes. Many Business Fibre plans include a bundled voice line that provides pay-as-you-use calling, making it suitable for small offices that need a simple and reliable business phone service. This option works well for companies that want voice connectivity alongside their internet service without additional setup complexity.
For larger offices with higher call volumes, TIME offers dedicated SIP Trunking services based on the number of concurrent call channels required. These SIP Voice Trunks allow office phone systems to connect over the internet, enabling staff to make and receive calls across locations while handling heavy call traffic efficiently. Optional add-ons such as Microsoft Teams integration for fixed-line calling and Toll Free Numbers are also available to support collaboration and customer access.
Best Suited For: Small offices needing a bundled business voice line and larger organisations requiring scalable SIP trunking for higher call volumes.
7. CloudPBX4U

Location: Kuala Lumpur (Service4U)
Founded: 2008 (Service4U)
Website Link: https://cloudpbx4u.com/
CloudPBX4U by Service4U is a Cloud-hosted PBX and Next Generation Network (NGN) business service that provides unified communication over an existing broadband connection. Their platform supports businesses of all sizes, from Micro Business Owners (MBOs) to large corporations, offering scalable, cloud-based communication systems.
Key services include Cloud Vox, their primary cloud-hosted phone system, TM Multi-Line SIP, a digital trunk that handles multiple simultaneous voice calls for high-volume traffic, and Cloud Contact Center, an omnichannel solution to unify customer interactions across platforms. They also provide Microsoft Teams Integration, WhatsApp Business API, and AI Messaging to streamline communication and automate customer engagement. For hardware and apps, CloudPBX4U supports SIP softphones and supplies IP phones.
Best Suited For: Businesses that need a cloud-based VoIP system with multi-channel support and flexible software and hardware options.
8. CallaCloud

Location: Kuala Lumpur
Founded: 2006 (Cal4Care Group)
Website Link: https://www.callacloud.com/
CallaCloud by Cal4Care Group specializes in end-to-end VoIP solutions, including hosted PBX (a cloud-managed office phone system), VoIP hardware, and SIP trunking (virtual phone lines that connect a business phone system to the public phone network).
CallaCloud’s SIP Trunking service is certified by major PBX vendors such as 3CX and Asterisk, ensuring compatibility and stable call performance. The company also provides DID numbers, which allow international customers to call businesses using local numbers at a lower cost. In addition, CallaCloud offers a native softphone (software that turns a computer or smartphone into a phone), which works seamlessly with their SIP trunking service and allows users to make calls from any device.
Best Suited For: Businesses that handle international calling, especially organisations with multiple users or locations.
9. AstriCloud

Location: Petaling Jaya
Founded: 2018
Website Link: https://www.astricloud.com/
AstriCloud provides cloud-based communication solutions that combine hosted VoIP, cloud call center services, and conferencing tools. Their services are delivered through flexible cloud platforms and can also integrate with physical security systems, offering businesses a more unified approach to communication and operations.
AstriCloud’s hosted VoIP service allows businesses to manage multiple branches and business units through a single cloud-based console. The system requires minimal maintenance, with updates handled by the provider, and operates on a subscription-based, pay-as-you-go model. Users can easily add or remove lines at any time, and advanced features such as video calls, IVR, call forwarding, and voicemail-to-email are included. AstriCloud currently offers three service plans to suit different business sizes and needs.
Best Suited For: Businesses with multiple locations that want a cloud-based Business VoIP system integrated with physical or on-site security systems.
Common Terms in Business VoIP
Understanding these common Business VoIP terms is important for Malaysian businesses to make informed decisions when choosing a Business VoIP system:
| Term | Meaning / Explanation |
| VoIP (Voice over Internet Protocol) | Making phone calls over the internet instead of traditional phone lines. This is the foundation of all business VoIP systems. |
| Business VoIP | VoIP systems designed specifically for companies. They include features like call routing, call recording, conferencing, and remote access. |
| PBX (Private Branch Exchange) | The company’s internal phone system that manages calls between employees and external lines. |
| Hosted PBX / Cloud PBX | A PBX system hosted in the cloud. The provider manages maintenance, software updates, and call routing, so businesses don’t need physical PBX hardware. |
| SIP (Session Initiation Protocol) | The technology that starts, manages, and ends VoIP calls. Almost all business VoIP systems use SIP. |
| SIP Trunk / Multi-Line SIP | A virtual phone line that connects the business PBX to the public phone network, allowing multiple simultaneous calls. |
| Softphone | Software that turns a computer, tablet, or smartphone into a VoIP phone. Useful for remote or mobile employees. |
| IP Phone / VoIP Phone | Physical phones designed to work over internet networks instead of traditional landlines. |
| DID (Direct Inward Dialing) | Local or international numbers that connect directly to a person, department, or extension without going through a receptionist. |
| IVR (Interactive Voice Response) | Automated voice menus to help route calls efficiently without a live operator. |
| Call Forwarding | Lets employees automatically redirect calls to another number or device, useful for mobility. |
| Unified Communications (UC) | Combines voice, video, messaging, and collaboration tools into a single system for better productivity and connectivity. |
| Managed Voice | A fully managed service where the provider supplies the VoIP hardware, software, and maintenance. Businesses pay a monthly fee and do not need to worry about setup or technical support. |
| Toll-Free | Phone numbers that allow customers to call your business for free. Costs are paid by the business rather than the caller. |
Pros and Cons of VoIP Use in Business
Pros:
- Lower communication costs: Ideal for local, long-distance, and international calls.
- Scalability and flexibility: Easily add or remove lines and support remote work with softphone apps or SIP clients.
- Advanced features: Call forwarding, voicemail-to-email, call recording, and integration with collaboration tools.
- Simpler installation and lower maintenance: Less complex than traditional PBX systems, with reduced ongoing costs.
Cons:
- Internet dependency: Requires stable and fast internet; poor bandwidth can affect call quality.
- Service disruption: Power outages or network issues can interrupt calls, unlike traditional lines.
- Additional costs: More advanced features may require extra setup or subscription fees.
- Security concerns: VoIP calls can be vulnerable to hacking or eavesdropping without proper protection.
Conclusion
As we move further into the digital age, upgrading from traditional landlines to advanced VoIP and cloud-based communication is becoming essential. Effective communication is crucial for daily operations, especially in the corporate world where remote and hybrid workforces are growing, cemented by the fact that more than 70% of companies in Malaysia adopt flexible work routines post-pandemic.
These modern systems also improve technological efficiency by streamlining workflows and integrating with collaboration tools that can help increase productivity. Hence, adopting business VoIP is a strategic choice that allows companies to work smarter rather than harder.





