Large Business Phone Systems in South Africa

hellopeter reviews - corner banner

Powerful enterprise-grade PBX phone systems for large businesses

Enquire Now

Shop UVC-hosted PBX phone systems

South Africa’s premier enterprise cloud communication platform with zero hardware investment required. United Voice Cloud delivers scalable, carrier-grade VoIP with centralised management across multiple locations, competitive per-user pricing from R65 per month, and enterprise-level support for organisations of any size. Explore our full UVC range or view featured packages below.

Shop All UVC Systems
United Voice Cloud Classic Hosted PBX

United Voice Cloud Classic Hosted PBX

R 99.00 incl VAT

United Voice Cloud™ is a leading customizable Hosted PBX system, encompassing the latest in unified communications technology with the ultimate in flexibility and reliability… Read More

ADD TO QUOTE
United Voice Cloud Landline Solution

United Voice Cloud Landline Solution

R 155.00 incl VAT

United Voice Cloud™ is a leading customizable Hosted PBX system, encompassing the latest in unified communications technology with the ultimate in flexibility and reliability… Read More

ADD TO QUOTE
United Voice Pro B2B VoIP Package (9 - 15 VoIP Phone Lines)

United Voice Pro B2B VoIP Package (9 – 15 VoIP Phone Lines)

R 1,219.00 incl VAT

United Voice is our Business Telephone Line VoIP solution which makes use of innovative VoIP technology to transmit crystal clear voice calls over a broadband data connection… Read More

ADD TO QUOTE

Shop Yeastar large phone systems

A forward-thinking Chinese manufacturer delivering cost-effective enterprise unified communications solutions. Yeastar’s P-Series platforms offer exceptional scalability supporting up to 500 users, with cloud and on-premises deployment flexibility, extensive API integration, and competitive pricing for large organisations. Explore our full Yeastar range or view featured systems below.

Shop All Yeastar Phone Systems
Yeastar YR-P570

Yeastar YR-P570 PBX System

SKU: YR-P570

R31,149.00 incl VAT

The Yeastar P-Series PBX is a feature-packed, scalable, and flexible communication system designed for medium to large businesses… Read More

ADD TO QUOTE
Yeastar YR-P560

Yeastar YR-P560 PBX System

SKU: YR-P560

R 16,249.00 incl VAT

The Yeastar P560 IP-PBX is a powerful and scalable communication solution designed to support the growing needs of businesses… Read More

ADD TO QUOTE

Shop Avaya large business phone systems

A global leader in enterprise business communications technology from the United States. Avaya’s IP Office and Aura platforms deliver carrier-grade reliability and advanced unified communications designed for large organisations with complex, multi-site requirements. Explore our full Avaya range or view featured systems below.

Shop All Avaya Phone Systems

Avaya IP Office PABX Phone System

Enquire for Pricing

Transform the way you conduct business by creating a seamless engagement experience for your customers and employees… Read More

DISCONTINUED
ADD TO QUOTE

Avaya IP Office 500 v2 PBX Phone System

Enquire for Pricing

Transform the way you conduct business by creating a seamless engagement experience for your customers and employees… Read More

DISCONTINUED
ADD TO QUOTE

Shop NEC large business phone systems

A prestigious Japanese brand with a proven track record in large-scale enterprise telephony. NEC’s SV series and UNIVERGE platforms provide robust, high-capacity communication systems with advanced networking capabilities, supporting extensive user bases and distributed operations. Explore our full NEC range or view featured systems below.

Shop All NEC Phone Systems
NEC Univerge SV9100 Communications Platform

NEC Univerge SV9100 Communications Platform

Enquire for Pricing

NEC’s UNIVERGE® SV9100, is the unified communications (UC) solution of choice for small and medium businesses (SMBs) who don’t want to be left behind… Read More

DISCONTINUED
ADD TO QUOTE

Shop Panasonic’s large VoIP phone systems

A trusted Japanese manufacturer delivering enterprise-class hybrid IP communication systems. Panasonic’s KX-NS series features high-density modular architecture supporting up to 1,000 extensions, with advanced VoIP capabilities and comprehensive integration options for large-scale deployments. Explore our full Panasonic range or view featured systems below.

Shop All Panasonic Phone Systems

Panasonic KX-NS500 PBX Bundle (8 Lines) Med-Lrg Business Phone System

SKU: panasonic-ns500-bundle-1

Enquire for Pricing

DISCONTINUED
ADD TO QUOTE

Panasonic KX-NS1000 PBX Smart Hybrid Telephone System

Enquire for Pricing

Based on the IP and SIP protocols, the KX-NS1000 VoIP Panasonic PBX Phone System offers a high level of flexibility and can be integrated into your existing infrastructure… Read More

DISCONTINUED
ADD TO QUOTE

Shop Samsung’s large VoIP phone systems

A leading South Korean technology brand with extensive experience in enterprise telecommunications. Samsung’s OfficeServ and Communication Manager platforms deliver high-performance IP telephony with sophisticated call routing, redundancy features, and enterprise-grade reliability for organisations requiring mission-critical communications. Explore our full Samsung range or view featured systems below.

Shop All Samsung Phone Systems
samsumg-smc-compact-system

Samsung Communication Manager Compact/Enterprise (SCM) PABX

Enquire for Pricing

The Samsung Communication Manager (SCM) is a pure-IP based all-in-one communications solution that provides an Enterprise-grade call control and other built-in applications such as unifi ed communications, voice conferencing and mobility… Read More

DISCONTINUED
ADD TO QUOTE
Samsung OfficeServ 7400 Enterprise IP PABX/PBX Phone System

Samsung OfficeServ 7400 Enterprise IP PABX/PBX Phone System

Enquire for Pricing

Supporting up to 480 phones in a single site or thousands of users in a multisite network, this robust communication platform keeps everyone and everything connected with true convergence… Read More

DISCONTINUED
ADD TO QUOTE

Got questions? Contact our experts today.

CONTACT THE EXPERTS GET A QUOTE

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.

Get In Touch

Head Office

19 Trinity Close
Cambridge Commercial Park
Paulshof
Sandton

Tel: 086 001 8500

Email:  info@unitedtelecoms.net

6 Edison Way
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

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

MORE TESTIMONIALS

We're the experts so that you don't need to be!

PBX Phone System
Beginner's Guide

Voice & Hosted PBX
Resources

PABX Relocation and
Reinstallation

PBX Phone System
Resources

Frequently Asked Questions About Large PBX Phone Systems

The cost of a large business phone system varies based on deployment type, user capacity, and feature requirements.

Enterprise-grade on-premise systems typically range from R20,000 to R250,000+, supporting 200 to 1,000+ users with advanced redundancy and multi-site capabilities. Organisations can choose outright purchase for capital investment benefits or structured financing agreements to spread costs over time. 

Cloud-hosted enterprise solutions generally cost R100 to R500+ per user per month, depending on feature complexity, integration requirements, and service-level agreements, with the advantage of predictable operating expenses and minimal capital outlay. In a related article, we dive deeper into the factors that influence the cost of a PBX phone system.

United Telecoms provides tailored pricing for large enterprises across our portfolio of trusted brands, including Avaya, NEC, Panasonic, Samsung, and Yeastar. We offer both purchase and financing options, from 12 to 60 months, to align with your procurement policies. Our United Voice Cloud platform delivers enterprise-grade hosted telephony from R65 per user per month, with volume discounts available for larger deployments.

Contact us today for a detailed proposal with transparent pricing structured around your specific organisational requirements.

Enterprise PBX phone systems deliver comprehensive communication and collaboration capabilities designed for complex organisational structures and high-volume operations.

Core advanced features include sophisticated auto-attendants with multi-level IVR menus, intelligent call routing across departments and locations, advanced call queuing with real-time monitoring, and encrypted call recording for compliance and quality management. Enterprise systems provide unified communications integrating voice, video conferencing, instant messaging, and presence information across desktop and mobile applications.

Multi-site functionality enables centralised administration, inter-office dialling, and consolidated reporting across geographically distributed teams. High-availability features include automatic failover, load balancing, and disaster recovery protocols, ensuring business continuity. Advanced integration capabilities connect with CRM systems, helpdesk platforms, and business applications through APIs and middleware.

VoIP technology (Voice over Internet Protocol) delivers HD voice quality over dedicated internet connections, significantly reducing long-distance and international calling costs while supporting SIP trunking for flexible carrier options.

United Telecoms will conduct a thorough needs assessment to identify which enterprise features deliver maximum ROI for your organisation. We’ll configure and integrate systems that enhance operational efficiency, improve customer experience, and support your strategic communication objectives.

Contact us to discuss how enterprise telephony features can transform your business operations.

Large business phone systems are available through enterprise telecommunications specialists, authorised resellers, managed service providers, and direct manufacturer channels. Each offers distinct advantages in technical expertise, deployment experience, service-level commitments, and long-term support capabilities.

Cloud-based enterprise PBX solutions are typically procured through subscription agreements with service providers offering guaranteed uptime and dedicated account management. On-premise and hybrid systems require suppliers with proven experience in complex installations, multi-site coordination, system integration, and enterprise-level maintenance contracts. Critical supplier selection criteria include their track record with large deployments, manufacturer certifications, technical resources, escalation procedures, and ability to support your specific industry requirements.

United Telecoms has delivered communication systems to South African enterprises since 1985. We implement complex and large-scale phone systems utilising premium brands such as Avaya, NEC, Panasonic, Samsung, Yeastar, and our proprietary United Voice Cloud platform. Our enterprise services encompass comprehensive needs analysis, solution design, professional installation, system integration, staff training, and nationwide 24/7 technical support with guaranteed response times.

Contact us at 086 001 8500 or submit your enquiry online to discuss your enterprise telephony requirements with our team of specialists.

The best option for a large organisation depends on your business communication needs and how your teams operate across departments or locations. 

Most enterprises benefit from a high-capacity PBX system—either cloud-hosted, hybrid, or on-premise—that supports advanced call management, multi-site connectivity, unified communications, CRM integrations, and robust redundancy. These systems are designed to scale and deliver the reliability required from an enterprise phone system. 

United Telecoms will help you choose the right phone system for your organisation, whether you need a fully cloud-based solution or a customised hybrid deployment. Our specialists assess your structure, user volumes, and feature requirements to recommend a system that maximises performance and long-term flexibility. 

Contact us for expert guidance tailored to your enterprise.

PBX systems for large organisations are built to handle higher call volumes, multi-branch environments, and complex business communication needs.

While a small or medium PBX system may focus on essential telephony features, large enterprises typically require advanced telephony solutions such as multi-site routing, unified communications, CRM integrations, and high-availability setups. Enterprise-grade systems also offer greater scalability, stronger redundancy, and flexible deployment options, including cloud PBX and hybrid models.

These enhanced capabilities help large businesses boost productivity and improve communication efficiency across departments and locations.

Contact United Telecoms to get expert guidance and a tailored PBX recommendation for your large organisation.

Many large organisations still operate legacy PBX platforms from brands such as Avaya, Panasonic, NEC, and Samsung. Even though these manufacturers have exited the PBX market, a significant number of their enterprise systems remain in daily use across South Africa. 

As these installations age, businesses often face challenges sourcing components, expanding capacity, or maintaining compatibility with modern communication environments. When a system approaches end-of-life, planning a replacement becomes essential to ensure stability, security, and uninterrupted operations across multiple sites. 

For large enterprises transitioning away from legacy infrastructure, Yeastar has emerged as a leading provider of high-capacity, on-premise PBX solutions. The P-Series platform supports advanced VoIP features, multi-site connectivity, unified communications, CRM integrations, SIP trunking, and the performance required for large user volumes—making it a strong successor to older hardware. 

United Telecoms can evaluate your current enterprise system, confirm whether repairs or interim fixes are still feasible, and recommend an upgrade strategy that aligns with your organisation’s scale and communication requirements. 

Contact us to discuss the most effective replacement path for your large PBX deployment.