Looking for the right telecommunications provider for your business?
We’ve collected a list of the best office phone system providers in the country to help you find the right fit for your team.
Each provider in this list has been selected based on factors including their service offerings (including On-Premise, Hybrid, and Cloud PBX), pricing, market presence, customer feedback, and the businesses they cater to. We also considered any niche-market services or particular specialisations.
Read on to learn more about each telecommunications provider and see if they are the right match for your needs.
Contact United Telecoms to enquire about affordable and quality solutions for businesses in South Africa, including Cloud PBX, Hybrid, Wireless Phone Systems, On-Premise PBX systems and more.
Key Takeaways:
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- South African businesses can choose cloud, hybrid, or on-premise PBX systems depending on their infrastructure, team size, and communication goals.
- The best providers for small businesses include Euphoria Telecoms, Voys, Switch Telecom, and United Telecoms, offering flexibility, quick setup, and contract-free options.
- The best providers for enterprises include United Telecoms, Telkom Business, Saicom, and Vodacom Business, known for infrastructure-backed solutions and scalable deployments
- The most suitable providers for contact centres include Telviva, TRUENAV, Vox Telecom, and United Telecoms, offering omnichannel tools, CRM integration, and real-time analytics.
- Customer support, scalability, and integration features matter as much as pricing when selecting a business phone system provider.
What Types of Office Phone Systems Are Available in South Africa?
Business phone systems in South Africa typically fall into four categories: Cloud, On-Premise, Hybrid, and Wireless PBX solutions.
Cloud PBX systems are hosted online, making them ideal for businesses seeking flexibility, remote access, and minimal on-site infrastructure. On-premise PBX systems are installed at the business location, offering greater control and customisation.
Hybrid PBX solutions combine cloud and on-premise features for added resilience and flexibility. Wireless PBX systems support mobility and are useful in locations with limited fixed-line infrastructure.
United Telecoms provides all these options, with solutions tailored for small, medium, and large businesses. Explore our Cloud PBX, On-Premise and Hybrid PBX, or Wireless PBX systems to find the right fit for your communication needs.

How to Choose the Right Office Phone System Provider for Your Company
In a crowded marketplace, comparing providers requires looking beyond pricing alone.
The right phone system partner offers the perfect balance of reliable infrastructure, responsive support, operational flexibility, and innovative features that align with your current needs and future business direction.
Here are six key considerations to guide your decision when comparing telephone system providers:
- Assess your communication needs Review your current and future requirements, including team size, remote work capabilities, integration with CRMs or other tools, and call volume expectations.
- Understand office phone system types Learn the differences between VoIP (Voice over Internet Protocol),Cloud PBX (Private Branch Exchange), Hybrid, and On-Premise systems to ensure you choose the right fit for your infrastructure.
- Check for flexible plans or pricing options Look for flexible models such as rental, financing, or outright purchase based on your budget and preferences.
- Evaluate technical support Consider providers offering installation,remote technical support, and clear SLAs to ensure reliable service.
- Explore customer feedback to evaluate the provider’s reputation Read reviews to gauge service quality and experience. Try platforms including HelloPeter, TrustPilot, Google, Facebook and more.
- Consider value-added features Features like compliance call recording, AI transcription, and cloud call analytics can enhance communication or align with business needs.
Use these criteria to narrow down your shortlist, then speak to the most trusted providers directly to compare offerings and find the office phone system that best fits your business.

Top 15 Office Phone System Providers in South Africa
This section examines various telecom providers offering reliable cloud-based, hybrid, and on-premise phone systems for growing and established South African businesses.
These providers typically offer complete product ecosystems with VoIP, PBX, and value-added features like call forwarding, CRM integration, and custom configurations to suit diverse communication needs.
Keep reading to discover which provider offers the right mix of scalability, support, and functionality for your business.
1. United Telecoms: Best Overall – VoIP-Enabled Cloud, Hybrid, & On-Premise PBX Systems
Established in 1985, we are one of South Africa’s most experienced business office phone system providers, with over 30 years of expertise delivering scalable VoIP and PBX solutions.
We offer tailored systems for businesses of all sizes, combining flexibility, compliance-ready features, and nationwide technical support.

- Cloud PBX systems: Starting from R65 per month (for the UVC Essential entry level package), with VoIP call rates and a suite of advanced call management features, ideal for businesses seeking flexible, highly scalable and low-maintenance communication solutions.
- VoIP lines, virtual landlines and business telephone numbers: Seamless voice connectivity options designed for easy scalability, allowing businesses to add users, extensions, or locations without disruption to their operations.
- Hybrid and on-premise PBX systems: Ranging from R6,000 to R30,000+, with VoIP call rates, suitable for organisations that require greater control and on-site infrastructure.
- Refurbished PBX systems: Available from R8,000, offering reliable performance at a more accessible price point.
- Cloud call centre software: Tailored for inbound and outbound teams, featuring call queueing, agent management, real-time monitoring, and CRM integration (pricing available on request).
- Phones & hardware: Desk phones, headsets, and peripherals from trusted brands like Yealink, NEC, Flyingvoice, and Fanvil.
Our standard phone system features include voicemail to email, automated attendant (IVR), call forwarding, call transfer, hunt groups, call waiting, and detailed call reporting to help optimise your team’s communication workflows. More advanced features include AI-powered call transcription, CRM system integration, cloud-based call analytics, multi-site linking, compliance-grade call recording, and real-time call monitoring and reporting for enhanced visibility and control.
We own and operate much of our network infrastructure, ensuring quality control and faster technical support response times. We offer flexible billing options, including month-to-month rentals, financing packages, and discounted outright purchase deals.
Our services are backed by expert installation, remote support, and optional managed services to further reduce IT burdens. We also provide complementary business broadband services, including Fibre, LTE, and Wireless broadband, to provide a complete communications solution.
United Telecoms is recognised for reliable phone service and high customer satisfaction, with a 4.7-star rating on Google (192 reviews) and 4.3 stars on HelloPeter (131 reviews).
Contact our team today to discuss your business requirements and receive a tailored solution for your goals and budget.
2. Euphoria Telecoms: Contract-Free Cloud PBX Systems for Remote Teams
Founded in 2010, Euphoria Telecom is a South African telecommunications provider offering contract-free, cloud-based phone systems and VoIP solutions, trusted by over 6,000 companies.
Its offerings are purpose-built for remote teams, SMEs, and contact centres, combining affordability, flexibility, and a user-friendly management platform to streamline business communications.

- Cloud PBX systems: Euphoria offers four plans starting from R45 per extension per month (ex VAT), with once-off setup costs from R1,500 and no long-term contracts. These plans include features such as IVR, hunt lists, real-time call monitoring, and free inter-branch internal and external calls within South Africa.
- Contact centre solutions: Starting from R295 per extension per month, with once-off setup costs from R1,500. Features include agent workspaces, call dispositioning, time and attendance tracking, CRM tagging, and advanced analytics.
- Desk phones and routers: Euphoria offers a range of Yealink devices, from desk phones to headsets, and various routers (including LTE, ADSL, and ViBE-compatible models) from reputable third-party brands.
Standard features across all plans include voicemail, automated attendant (IVR), call forwarding, call screening, hunt lists, and detailed call reporting. Advanced features encompass whisper, spy & barge, Euphoria advanced softphone, inbound call analytics and real-time call monitoring and reporting.
Euphoria Telecom’s solutions are designed for flexibility and scalability, supporting businesses from 3 to over 1,000 extensions. The platform allows for seamless remote work capabilities, with browser-based calling and mobile app integration.
Euphoria also offers a powerful telephone management system (TMS) that provides detailed data and in-depth, real-time reporting to help optimise team communication workflows. Euphoria also backs its platform with responsive, locally-based customer support, ensuring businesses receive timely assistance whenever needed.
In terms of customer experience, Euphoria has a 4.7-star rating on Google (97 reviews) and 4.6 stars on HelloPeter.
Visit the Euphoria website to explore cloud PBX packages or request a tailored demo.
3. Voys South Africa: Self-Managed VoIP Phone Systems With Fast Setup
Established in 2013, Voys South Africa is a Cape Town-based VoIP provider and part of the international Voys Group.
Focused on flexibility, freedom, and reliability, Voys offers modern, cloud-based business phone systems designed for remote teams, freelancers, SMEs, and growing businesses that value mobility and simplicity.

- Fully-featured phone system: Starting from R400 per user/month (1–3 users) or R350 per user/month (4+ users), including free national calls, fast setup within 15 minutes, and no long-term contracts.
- Voys Webphone & App: Free for subscribers, enabling seamless calls, call queue management, presence toggling, and real-time availability checks across desktop, mobile, and tablet
- International Calling with per-second billing: Per-second billing starting from the first minute, plus a R0.30 connection fee on successful outbound calls, saving up to 90% on international calls.
- Phones and hardware: Includes desk phones, cordless units, switchboard devices, and VoIP-compatible headsets from trusted brands like Yealink.
Standard features include voicemail, call forwarding, call transfer, call queueing, presence management, and real-time team availability updates.
Advanced features include CRM and Helpdesk integrations (with over 100 supported platforms), caller ID LookUp, context-aware call popups, and the Voys Freedom Web Portal for 24/7 self-management.
Voys delivers unmatched 99.9% uptime, crystal-clear call quality via the industry-leading OPUS audio codec, and best-in-class support from a Cape Town-based team.
The platform is contract-free, highly scalable, offers numbers in over 55 countries, and requires no extra hardware for setup. Voys is also a proudly meaningful business, donating more than 1% of its revenue to digital inclusion through the 48percent.org foundation, and securely hosting customer data in Europe to protect privacy.
Voys holds a 4.7-star rating on Google (195 reviews) and a 4.6-star rating on Facebook, reflecting its reputation as a top-rated, customer-loved VoIP provider in South Africa.
Visit Voys.co.za to explore flexible VoIP solutions and get started with a free demo.
4. Switch Telecom: SIP Trunks & Hosted PBX for Large Corporates and Home Offices
Founded in 2006, Switch Telecom is a South African VoIP provider trusted by thousands of businesses and home users for flexible, cost-effective phone system solutions.
With a strong belief in simplicity, transparency, and after-sales care, Switch Telecom has built a loyal customer base across SMEs, corporates, and residential users—helping clients scale without hidden fees or long-term contracts.

- Hosted Switchboard (PBX) Solutions: Starting from R250/month for 10 extensions, with no installation costs or proprietary hardware needed. Browser-based management, softphone compatibility, and quick setup make this ideal for growing teams.
- Unlimited VoIP SIP Trunk Packages: Choose from usage-based SIP trunks (from R100/month) or unlimited calling options (from R1,150/month for 4 channels to R5,750/month for 16 channels), including international call options. All plans are designed with scalability and control in mind.
- VoIP Lines and Direct Dial Numbers: Start simple with a VoIP line, or expand your reach with international and toll-free numbers, IP faxing, and teleconferencing support.
- Devices and peripherals: Switch Telecom offers a variety of devices from trusted brands like Grandstream and Yealink.
Standard features include voicemail-to-email, call forwarding, call transfer, auto-attendant (IVR), ring groups, conferencing, interactive voice menus, and call detail reporting.
Advanced features include remote softphone access, multi-site call routing, music-on-hold, mobile app compatibility, fax-to-email, direct dial-in numbers, and optional long-term call recording.
Switch Telecom provisions and maintains its own VoIP network to ensure consistent uptime, crystal-clear voice quality, and quick support—without relying on third-party infrastructure.
Their team of VoIP Specialists helps design tailored solutions to match business goals and user setups. You can manage everything via an intuitive self-service portal or receive expert support at no extra cost.
With scalable pricing, no hidden charges, and month-to-month flexibility, Switch Telecom is ideal for businesses looking to grow without surprises. Switch Telecom’s flexible pricing and month-to-month model make it a practical choice for home offices, SMEs, and larger organisations seeking reliable communication without long-term commitments.
Switch Telecom is renowned for its excellent customer service, boasting a 4.7-star rating on Google (62 reviews) and a 4.43-star rating on HelloPeter (23 reviews).
Visit Switch Telecom’s website to explore their VoIP solutions for home and business, or contact their team for a personalised service quote.
5. MTN Business: Cloud PBX, SIP, and VoIP Solutions Powered by MTN’s Core Network
Founded in 1994, MTN Business is the enterprise division of MTN Group, one of Africa’s largest and most trusted telecommunications providers.
Known for its extensive mobile and fixed infrastructure, MTN Business delivers competitive unified communications solutions tailored to SMEs, large corporates, and fast-scaling businesses across South Africa.
Positioned as a powerful alternative to legacy providers like Telkom and Vodacom, MTN Business combines high network reliability, modern cloud telephony, and flexible VoIP options designed to reduce operational costs while improving scalability.

- Cloud PBX systems (MTN Y’ello-Biz): A cloud-based hosted PBX service starting from R70 per month on a 36-month term, with desktop, advanced desktop, and cordless bundle options. Includes Yealink phones, extension licences, and the ability to port existing landline numbers or provision new MTN 087 numbers.
- Hosted PBX integration: Connect existing on-site PBX systems to MTN’s IP backbone for seamless internal calling, reduced maintenance costs, and access to converged applications like video conferencing and data sharing across corporate networks.
- SIP Trunking solutions: Replace traditional telephone trunks with IP-based SIP connections, supporting zero-downtime migration, least-cost routing, geographic number portability, and voice, video, and collaboration traffic over a single network line.
- VoIP solutions: Highly scalable VoIP telephony over secure MTN networks, offering per-second billing, lower intra-network call rates, superior quality of service, and fully redundant, monitored voice infrastructure to ensure business continuity.
Standard features across MTN Business’ Hosted PBX and VoIP solutions include voicemail, call forwarding (always, busy, no answer, unreachable), call transfer, caller ID management, call queuing, call logs, speed dial (up to 100 contacts), automatic call-back, do-not-disturb, anonymous call rejection, three-way conference calling, and diversion inhibitors.
Advanced features available via the Advanced Feature Pack include busy lamp fields (BLF) for monitoring multiple extensions, custom music-on-hold, integrated web portal administration, real-time user and service management, and presence management across remote and hybrid working teams.
MTN Y’ello-Biz is designed for maximum flexibility, offering easy scalability for unlimited users without hardware bottlenecks. The platform is future-proof and fully managed by MTN, eliminating the need for costly PBX hardware or ongoing maintenance contracts.
Businesses benefit from predictable pricing via affordable bundles (desktop, advanced desktop, and cordless packages), real-time control over services via an intuitive online portal, and reduced telephony costs through built-in least-cost routing.
MTN also provides zero upfront investment options on SIP Trunking and VoIP connectivity, secure mobile number portability, and fast deployment using fixed LTE connectivity where fibre is unavailable.
MTN Business holds a 3.4-star rating on Google based on 34 reviews. While some clients praise the reliability of MTN’s network and the flexibility of its cloud solutions, others have highlighted areas for improvement in service responsiveness and support turnaround times.
Overall, MTN’s extensive national infrastructure and experience in enterprise telecommunications continue to make it a trusted provider for many South African businesses.
Visit mtnbusiness.co.za to explore Hosted PBX, VoIP, and SIP trunking solutions, or contact the MTN Business team to request a tailored consultation for your company’s communication needs.
6. Vodacom Business: End-to-End Cloud PBX and VoIP Over Vodacom’s Network
Founded in 1994, Vodacom Business is a leading South African telecommunications provider offering voice, data, and unified communications solutions for enterprises of all sizes.
As part of the Vodafone Group, Vodacom combines extensive infrastructure with global expertise to deliver scalable, secure, and future-ready business communication services across South Africa.

- Hosted IP PBX: A cloud-based PBX service that eliminates the need for onsite infrastructure, offering all the features of a traditional PBX with enhanced scalability, network security, and predictable monthly billing. Pricing is customised based on business needs.
- VoIP services: Flexible, cost-effective VoIP services using geographic or non-geographic numbers (021, 031, 087), available in bundles of 250, 500, or unlimited anytime minutes, with per-second billing and free on-net calling between business branches.
- One Net Business with Webex: An integrated cloud calling, messaging, and meeting solution designed for flexible, hybrid workforces. It unifies fixed and mobile telephony into one seamless platform with enhanced collaboration tools and secure, encrypted communications.
- Dedicated Onsite IP PBX: For businesses needing more control, Vodacom offers onsite IP PBX solutions powered by Cisco Unified Communications Manager, fully managed and integrated with Vodacom’s voice and data services.
Standard features across Vodacom’s Hosted IP PBX and VoIP solutions include voicemail-to-email, auto-attendant (IVR), call forwarding, conferencing, call queuing, internal call routing, caller ID management, and cloud-based system access.
Advanced features available with One Net Business and Hosted IP PBX include real-time mobile and desktop softphone access, unified messaging, CRM integration, presence detection, seamless fixed-mobile convergence, secure file sharing, virtual meetings, and scalable extension management via an intuitive online portal.
Vodacom’s Hosted IP PBX and VoIP services are fully cloud-hosted with no upfront CAPEX costs, offering predictable monthly billing and carrier-grade voice quality.
Businesses can easily port existing numbers or acquire new ones, with seamless integration of fixed and mobile services. The platform is fully scalable, supports mobile and remote teams, and is managed entirely by Vodacom to simplify support, billing, and network upkeep.
Vodacom Business does not have a dedicated review page separate from Vodacom’s general services. On HelloPeter, Vodacom holds a 1.31-star rating based on over 133,000 reviews, reflecting mixed experiences across its broader service offerings.
Visit Vodacom Business’s website to explore their Hosted IP PBX, VoIP, and One Net Business solutions, or request a call back to discuss a tailored package for your business needs.
7. Telviva: Unified Communications with Voice, Video & CRM Integration
Founded in 2004, Telviva is a South African telecommunications company that specialises in cloud-based unified communications solutions for modern businesses.
Its flagship product, Telviva One, brings together voice calls, PBX, video conferencing, instant messaging, contact centre capabilities, and business intelligence in a single integrated platform.

- Telviva One: A feature-rich unified communications platform. Estimated pricing starts at R99 per user/month for the Essentials package, and around R165 for the Premium tier, which includes cloud integrations.
- Telviva Contact Centre solutions: Estimated monthly pricing ranges from R525 for Telviva Connect (manual dialling) to R625 for Reach (predictive dialling), and R1125 for the full omnichannel Telviva Omni package.
Standard features across Telviva’s solutions include voicemail management, automated attendant (IVR), call forwarding, call queuing, video conferencing, real-time presence management, and internal call routing to support seamless collaboration across teams.
Advanced features available through Telviva One and Telviva Omni include unified communications across voice, video, and messaging, CRM system integrations, predictive dialling, omnichannel interaction handling (phone, WhatsApp, live chat, social media), speech analytics, AI-powered automation, and mobile compatibility for remote teams.
Telviva operates on a managed service delivery model, ensuring secure, scalable, and high-availability solutions. It offers full nationwide service coverage and support delivered by in-house technical teams across over 50 locations. Their solutions offer integrated business intelligence reporting, customer journey mapping, workflow automation, and scalable contact centre infrastructure with zero on-premises hardware requirements.
Clients also benefit from tailored business process automation, seamless integration with Microsoft Teams and leading CRMs, flexible scalability across extensions, and compliance-focused call recording solutions.
It holds a 4.5-star rating on Google based on 21 reviews, with reviewers highlighting great support and quick service setup.
Learn more about Telviva’s unified communications platform and connect with their team to explore a solution tailored to your business.
8. Vox Telecom: Hosted & On-Premise PBX with Contact Centre Tools
Founded in 1988, Vox Telecom is one of South Africa’s largest ICT providers, offering a comprehensive range of voice, data, and managed services supported by a portion of its own national telecoms infrastructure.
The company specialises in delivering flexible PBX, VoIP, and unified communication solutions tailored to businesses of all sizes, from SMEs to large enterprises.

- Cloud PBX solutions: Vox offers two hosted platforms—Verto Supreme, a fully managed PBX solution for SMEs, and 3CX, a premium unified communications system with video conferencing, mobile apps, and native Microsoft Teams integration.
- On-premise PBX systems: Built on Alcatel-Lucent Enterprise platforms like OmniPCX Office and OpenTouch, these systems offer robust, feature-rich telephony for businesses with in-house infrastructure needs.
- Cloud contact centre solutions: O!Connect, a cloud-based contact centre platform offering multi-channel engagement, skills-based routing, predictive outbound dialling, and intelligent IVR capabilities for enhanced customer experience.
Standard features across Vox’s hosted and on-premise PBX solutions include telephone management systems, automatic call distribution, call forwarding, call transfer, basic to advanced IVR, conferencing, call queuing, and intelligent routing.
Advanced features available through 3CX Cloud, Verto Supreme, and O!Connect include Microsoft Teams direct routing integration, omnichannel communication handling (voice, chat, email, social media), intelligent skills-based routing, integrated video conferencing, mobile and desktop app support, and cloud-compliant call recording via Atmos.
Vox offers bundled PBX packages with flexible financing, system leasing, and pay-per-user models, typically structured over 12 to 60-month contract terms. Their services are delivered via a secure, Vox-owned national network, ensuring end-to-end service management.
Clients also benefit from value-added services such as Atmos-compliant call recording, detailed usage and cost reporting through Communications Manager, and professional voice-on-hold services. Vox provides nation-wide technical support coverage with certified engineers across major cities, handling installation, configuration, and ongoing maintenance.
While the company has a strong national footprint and broad service range, customer feedback is mixed. Vox holds a 2.3-star rating on Google (350 reviews) and a 1.63-star rating on HelloPeter (9,847 reviews), reflecting concerns across various parts of its service offering.
Visit Vox’s website to compare PBX system options and speak to a consultant about the right solution for your business.
9. MFP Group: Yeastar Cloud PBX Bundled with Yealink IP Phones
Founded in 2011, MFP Group is a South African office automation provider offering telecoms, printing, and security solutions to businesses nationwide.
Through strategic partnerships with Yeastar and Yealink, MFP Group delivers streamlined, cost-effective telecommunication solutions ideal for SMEs seeking flexible, easy-to-manage systems with minimal upfront investment.

- Yeastar Cloud PBX systems: Hosted PBX platforms with built-in call routing, IVR, user management, and CRM integration, typically ranging between R200 and R500 per extension depending on configuration.
- Yeastar On-Premise Hybrid IP PBX systems: Options include models like the Yeastar P550, S20, S50, and S300, combining on-site infrastructure with IP-based flexibility for more control over internal communications.
- Yealink IP phones and hardware: Offered bundled with PBX systems, including models like the Yealink T33G, T43U, and T48S for business-grade communication.
Standard features include voicemail, auto-attendant (IVR), music on hold, unlimited inter-branch calling, mobile apps (iOS and Android), free call recording (up to 500 minutes), number porting, and monthly call reports.
Advanced features include CRM integration with platforms such as Salesforce, Microsoft Teams, HubSpot, and Zendesk, BYOD (Bring Your Own Device) compatibility, and full mobile access via the Yeastar Linkus app.
MFP’s solutions are hosted securely on AWS at Teraco, South Africa’s leading data centre, ensuring 99.99% uptime and 24/7 monitoring.
They offer flexible rental and cash purchase options to ease financial planning, free remote technical support for PBX clients, month-to-month telephone solutions with no long-term contracts, and personalised setup assistance to match evolving business needs.
MFP Group is recognised as a Platinum Yeastar Partner and a leading Yealink distributor across South Africa.
Customer feedback reflects a mix of experiences across MFP’s broader services, with a 4.8-star rating on Google (77 reviews) and a 2.6-star rating on HelloPeter (5 reviews).
Visit MFP Group’s website to request a quote on Yeastar Cloud PBX systems and Yealink IP phones tailored to your business.
10. Telkom Business: Enterprise-Grade PBX Solutions with On-Premise & Cloud Options
Established in 1991, Telkom Business is one of South Africa’s most recognisable telecommunications providers, with over 30 years of experience delivering business-grade phone systems, network infrastructure, and support services nationwide.
Historically a leader in the fixed-line and on-premise PBX market, Telkom has adapted to modern business needs by expanding into scalable cloud-based PBX solutions.

- On-Premise PABX systems: Starting from R755 per month on a 36-month contract, featuring iPECS eMG100 hardware including a control unit, operator terminal, four digital handsets, lightning protection, two UCS licenses, and unlimited VoIP2 connectivity.
- Cloud-based PABX systems: Starting from R955 per month on a 36-month contract, leveraging the iPECS Cloud platform for unified communications across voice, video, messaging, and CRM integration.
- Professional installation services: Delivered by experienced technicians to ensure smooth deployment and integration with existing systems.
Standard features across Telkom’s Cloud and On-Premise PBX solutions include voicemail-to-email, automated attendant (IVR), call forwarding, call transfer, day and night greetings, conferencing, and music-on-hold capabilities to streamline business communication.
Advanced features include unified communications access via UCS licenses, IP-based telephony with unlimited VoIP2 calling, mobile app integration, operator console functionality, multi-party conferencing, and CRM system integration to enhance productivity across multiple locations.
Telkom’s PBX services are supported by its extensive national fibre and LTE networks, ensuring strong infrastructure reliability across South Africa.
Businesses benefit from scalable telephony options, access to remote technical assistance, and expert installation services tailored to various operational needs.
While Telkom faces increasing competition from market leaders like MTN and Vodacom, and independent VoIP providers, it remains a dependable choice for businesses seeking enterprise-grade systems with national support coverage.
Although public reviews are mixed—mainly due to the size and complexity of Telkom’s broader service offering and reach—the brand continues to be a trusted name in the local telecoms space.
Visit Telkom’s business page to explore their switchboard packages or speak to their team about installation support.
11. Saicom: High-Quality Cloud PBX & Managed Unified Communications
Founded in 2005, Saicom is a South African cloud communications provider specialising in delivering scalable voice, data, and cybersecurity solutions for businesses of all sizes.
The company is trusted by leading organisations for its expertise in secure, customisable PBX, VoIP, and unified communication solutions.

- Cloud PBX and SIP trunking: Scalable, secure systems that support remote and hybrid teams, with enterprise features and centralised management.
- Unified communication tools: Solutions like UnifyOne with Webex and Microsoft Teams direct routing help businesses unify voice, video, and messaging into a single collaborative platform.
Standard features include voicemail, call forwarding, transfer, IVR, conferencing and call distribution to streamline daily communication workflows.
Advanced features include seamless number portability, Microsoft Teams direct routing, Atmos-compliant call recording integration, real-time call reporting and analytics, and mobile compatibility for remote work.
Saicom provides zero downtime migration, full nationwide coverage, seamless number portability, and managed technical support available 24/7. Their solutions are built on enterprise-grade security standards, enabling businesses to scale their communication networks efficiently.
Clients also benefit from integrated business connectivity solutions, including business fibre, private cloud hosting, SD-WAN networks, and robust telecoms security for fully managed infrastructure support.
Saicom holds a 3.8-star rating on Google (68 reviews) and a 4.0-star rating on HelloPeter (4 reviews), reflecting strong client satisfaction across enterprise and SME customers.
Discover Saicom’s communication and cloud solutions online, and contact their team for a tailored quote and managed setup.
12. TRUENAV: Expert-Managed PBX Systems with Multi-Channel Collaboration Tools
Founded in 2006, TRUENAV is a South African communications provider with over 19 years of experience delivering reliable voice and data solutions to businesses nationwide.
The company offers a selection of on-site PBX, hybrid, cloud PBX, and contact centre systems relying on software and hardware from brands such as 3CX, Mitel, Yeastar, NEC & more.

- Onsite PBX systems: Supplied through brands such as 3CX, Mitel, NEC, and Yeastar, with pricing typically starting from R6,000 for small-scale setups. Full support is offered across installation, configuration, and ongoing maintenance.
- Cloud PBX systems: Hosted solutions include TRUEPBX and 3CX, suited to businesses seeking flexible, off-site communication tools without sacrificing control or functionality.
- VoIP trunking and SIP trunking: Designed to connect existing PBX systems or Microsoft Teams to modern VoIP networks, helping businesses reduce call costs while maintaining their current infrastructure.
- Omnichannel Contact Centre Solutions: Cloud-based platforms designed for inbound and outbound communication across multiple channels (phone, email, live chat, social media), supporting call recording, CRM integration, real-time analytics, and seamless customer interaction management.
Standard features across TRUENAV’s onsite and cloud PBX solutions include voicemail, voicemail-to-email, automated attendant (IVR), call forwarding, conferencing, music on hold, call queuing, and internal call routing to streamline communication across teams.
Advanced features available through TRUEPBX, 3CX, and other TRUENAV solutions include unified communications with integrated voice, video, conferencing, and instant messaging, advanced CRM system integration, real-time collaboration tools, scalable multi-site linking, and reliable uptime to ensure seamless, business-critical connectivity.
TRUENAV provides full national coverage with expert installation, configuration, and ongoing support services. Their solutions are built for scalability and resilience, offering both cloud and on-premise options tailored to specific business needs.
Clients also benefit from seamless integration with Microsoft Teams, enhanced security protocols for call recording, multi-site support, and tailored reporting solutions via TRUENAV’s TMS (Telecoms Management System) platform.
It maintains a strong reputation in the industry, with a 4.8-star rating on Google (108 reviews) and a 5.0-star rating on Facebook (10 reviews), reflecting high levels of client satisfaction across platforms.
Visit TRUENAV’s website to explore their PBX offerings and contact their team for personalised setup and system management assistance.
13. ECN: Nationwide IP & Cloud PBX Solutions Backed by Network Monitoring
Founded in 2005, ECN (Electronic Communications Network) is a South African telecommunications provider and a division of Reunert Limited.
As one of the early pioneers of IP convergence in South Africa, ECN specialises in delivering future-proof, converged voice and data networks for businesses, supported by a fully-owned national infrastructure and a 24/7 in-house Network Operations Centre (NOC).

- Cloud PBX solutions: A scalable, high-availability telephony system hosted in the cloud, eliminating the need for on-site infrastructure while offering advanced PBX features, mobile app compatibility, automatic upgrades, and seamless multi-location support.
- IP PBX systems: Built around Yeastar’s modular S-Series platforms (S412, S20, and S50), these systems offer flexible hybrid deployment options with support for VoIP, GSM, PSTN, and ISDN, ideal for SMEs and growing enterprises.
- BusinessCall solution: ECN’s carrier-grade IP voice service replaces legacy landlines with pure per-second billing from the first second, seamless PBX integration, geographic number portability, and real-time usage tracking through a free TMS (Telephone Management System) portal.
Standard features across ECN’s Cloud PBX, IP PBX, and BusinessCall solutions include voicemail management, call forwarding, call transfer, conferencing, hunt groups, auto-attendant (IVR), call barge, mobile softphone access (Linkus app), and queuing services for efficient communication flow.
Advanced features available through Yeastar IP PBX and ECN Cloud PBX include integrated call recording, SIP trunking, multi-site linking, CRM integration compatibility, softphone and web dialer access, remote management tools, automatic system updates, real-time call cost reporting, and advanced teleconferencing capabilities through ECN’s Virtual Boardroom™.
ECN operates a fully-owned national IP infrastructure and a 24/7 Network Operations Centre (NOC) for proactive system and service monitoring, ensuring high reliability and fast response times.
Businesses benefit from pure per-second billing (with no minimum charges), free access to ECN’s TMS portal for real-time cost control, and flexible migration options between traditional and IP voice systems.
ECN’s vertically integrated model reduces dependency on third parties, offering lower operational costs, seamless nationwide support, and scalable communication solutions tailored for growing businesses.
ECN holds a 3.5-star rating on Google based on 10 reviews. While some clients praise the service quality and proactive support, others have noted variability in technical response times.
Visit ECN’s website to explore their Cloud PBX, IP PBX, and BusinessCall solutions, or request a customised quote tailored to your business communication needs.
14. Centracom: Affordable, Scalable Hosted PBX with VoIP Integration
Founded in 2008, Centracom is a South African telecommunications provider with over 15 years of experience delivering cost-effective VoIP and hosted PBX solutions for businesses nationwide.
The company focuses on scalable, cloud-first systems supported by a secure VoIP network, helping businesses optimise communication and control costs effectively.

- Hosted PBX systems: Plans range from R30 to R85 per user/month, including Lite, Business, Mobile, and Call Centre options. These systems are designed for businesses of all sizes, with VoIP calls billed per second and effective rates ranging from 2c to 18c per minute, depending on the package.
- SIP trunking and VoIP integration: Compatible with existing TDM and IP PBX systems, with full support for softphones and communication devices.
- Cloudcall Mobile and Desktop Applications: Centracom extends Hosted PBX capabilities to smartphones and desktop environments, enabling mobile unified communications, softphone access, conferencing, file sharing, CRM integration, and dynamic presence management across devices.
Standard features across Centracom’s Hosted PBX and VoIP solutions include voicemail, auto-attendant (IVR), call forwarding, filters and blocking, conferencing, call queuing, caller ID, and basic call recording functionality (30-day voice recording via the Customer Portal).
Advanced features available through Cloudcall Hosted PBX include mobile unified communications apps, call centre packages and features, desktop softphone integration, CRM system connectivity, advanced network encryption (L2TP and ViBE), random number generation (RNG) security layers, and seamless compatibility with leading IP phone brands like Yealink and Fanvil.
Centracom offers pure per-second billing from the first second, with no minimum call charges, and free access to a TMS (Telephone Management System) portal for real-time call usage tracking. Their VoIP platform is secured by advanced encryption standards to ensure quality of service and protect against unauthorised access.
The company also provides optional business fibre and wireless internet solutions, remote and on-site technical support, and operates a large reseller and wholesale channel supporting ICT partners across South Africa.
Customer feedback is mixed but generally positive.
Centracom holds a 3.8-star rating on Google (61 reviews) and a 3.44-star rating on HelloPeter (18 reviews), reflecting consistent praise for professionalism and reliability alongside some reported service delays.
Visit Centracom’s website to learn more or request a tailored quote for your business phone system.
15. Wanatel: Low-Cost Cloud PBX with Fast Setup & Flexible Bundles
Founded in 2003, Wanatel is a Cape Town-based telecommunications provider licensed by ICASA (IECNS and IECS) and specialising in VoIP and Unified Communications (UC) services.
With additional offices in France, Wanatel delivers scalable voice solutions to both South African and international businesses.

- Cloud PBX systems: Hosted PBX solutions starting from R49 per user/month, available in Standard, Advanced, and Premium tiers. Businesses can choose from pre-bundled packages of 5 to 50 extensions, with optional features like call recording and advanced configuration.
- VoIP and SIP Trunking: Per-second billing, free inter-branch calls, and support for multiple numbers, sub-accounts, and simultaneous call sessions.
- Call Centre Suite: A cloud-based contact centre solution offering integrated IVR, automatic call distribution (ACD), agent monitoring, outbound auto diallers, call recording, and real-time reporting.
Standard features across Wanatel’s Cloud PBX solutions include voicemail-to-email, call forwarding, caller ID, call transfer, conferencing, IVR auto-attendant, call queuing, custom music-on-hold, follow-me functionality, and detailed call reporting via a web-based management portal.
Advanced features available include secure SIP trunking with SIP BRIGADE monitoring, white-labelled billing, handset auto-provisioning, ad-hoc and scheduled call recording, CRM integration options, presence detection, multi-branch linking, and seamless mobile access through compatible softphone applications.
Wanatel’s Cloud PBX solutions operate on a predictable month-to-month model with no long-term contracts, offering flexible cancellation on 30 days’ notice. Clients benefit from easy scalability, remote work support, virtual office deployment, and automatic upgrades at no extra cost. Solutions are quick to deploy and are typically set up within 72 hours.
Additional perks include multi-tenant hosting, industry-leading cost savings on call charges (up to 40%), free maintenance and system updates, and secure hosted services backed by carrier-grade encryption protocols.
Customer feedback highlights reliability and ease of use, with Wanatel holding a 4.4-star rating on Google (9 reviews) and a 5-star rating on HelloPeter (1 review).
Visit Wanatel’s website to explore Cloud PBX features, view package options, or request a free custom quote for your business.

Final Thoughts on the Top Office Phone System Providers in South Africa
This guide explored 15 of the best office phone system providers in South Africa, covering their solutions, service models, pricing structures, and support capabilities.
Whether your business needs a scalable VoIP setup, a secure cloud PBX, or an on-site system with advanced customisation, the providers in this list offer options to suit every size and sector.
United Telecoms is a top choice for businesses seeking end-to-end support, national coverage, and reliable phone system solutions that are scalable and customisable. With over 30 years of experience providing telecommunications systems for businesses in South Africa, we adapt our solutions and expertise to meet the requirements of your organisation’s communication workflow.
Explore our phone systems for businesses, including Cloud PBX, VoIP and future-proof virtual landline options and contact United Telecoms for expert guidance and tailored advice.
Looking to learn more about VoIP? Our resources hub contains related articles, including a list of the best VoIP service providers in South Africa, our complete guide to VoIP phone systems, and how to find the right business VoIP package..
Got questions? Contact our experts today.
We service the following locations in South Africa
Western Cape: Cape Town, Belville, Paarl, Stellenbosch, Somerset West, Vredendal, Hout Bay, Green Point, Bloubergstrand, Durbanville, Melkbosstrand.
Eastern Cape: Port Elizabeth, Knysna, East London, George.
Kwa-Zulu Natal: Durban, Pinetown, Ladysmith, Newcastle, Ballito, Port Shepstone, Pietermaritzburg, Umhlanga, Westville, Hillcrest, Amanzimtoti.
Gauteng: Johannesburg, Vereeniging/Vaal, Sandton, Midrand, Pretoria, Centurion, Randburg, Roodepoort, Germiston, Alberton, Edenvale, Menlo Park.
Free State: Bloemfontein, Welkom, Bethlehem.
Mpumalanga: Witbank, Nelspruit.
Northern Cape: De Aar, Kimberley, Repra (Upington Area).
North West: Klerksdorp, Mafikeng.
Limpopo: Phalaborwa, Polokwane/Pietersburg.
Outside South Africa: Botswana, Zimbabwe, Swaziland, Namibia, Mozambique.
What Our Customers Say
“Once we approved the installations we were kept up to date daily with the levels of progress on our various sites and were very impressed with the final installation”
Spear Properties
Get In Touch
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19 Trinity Close
Cambridge Commercial Park
Paulshof
Sandton
Tel: 086 001 8500
Email: info@unitedtelecoms.net
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Century City
Cape Town
Tel: 086 001 8500
Email: info@unitedtelecoms.net
12 Sookhai Place
Derby Downs Office Park
Westville
Tel: 086 001 8500
Email: info@unitedtelecoms.net
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