Cloud-Hosted Business VoIP Solutions
Enterprise-grade Yeastar Cloud PBX and SIP Trunking for South African businesses
We provide fully managed Yeastar Cloud PBX systems, SIP trunks, and ongoing support
to ensure reliable, scalable, and cost-effective business communications.
Fast Nationwide Deployment
Quick provisioning and rollout across South Africa with minimal downtime.
Enterprise-Grade & Secure
Carrier-grade Yeastar infrastructure with security, redundancy, and SLA support.
Local Expert Support
South African-based engineers providing setup, training, and ongoing support.
Our Business VoIP Solutions
Flexible, scalable VoIP solutions designed to reduce costs and improve business communication.
Cloud-Hosted PBX
A fully managed Yeastar Cloud PBX with advanced call features, mobility, and zero on-site hardware.
SIP Trunking
Reliable, high-quality SIP trunks for inbound and outbound calling with flexible channel scaling.
VoIP Phones & Hardware
Certified Yeastar-compatible IP phones, gateways, and accessories for professional deployments.
Why Yeastar VoIP with Cub3
We combine enterprise-grade Yeastar technology with local expertise to deliver reliable, scalable business communication solutions.
• Enterprise-grade Yeastar Cloud PBX platform
• Local South African deployment and support
• Fully managed setup and ongoing maintenance
• Scalable for growing and multi-branch businesses
• SIP trunking optimized for call quality and uptime
• Compatible VoIP phones and hardware supply
• Transparent pricing with no unnecessary up sells
• Single vendor for hardware, voice, and support
Who Our VoIP Solutions Are Designed For
Our cloud-hosted VoIP solutions are built for businesses that need reliable, scalable, and professional communication systems.
• Small to medium-sized businesses
• Growing teams and multi-branch offices
• Remote and hybrid work environments
• Professional service firms
• Call centres and sales teams
• Businesses replacing legacy PBX systems
• Companies requiring SIP trunking
• Organisations needing scalable voice solutions
How Our VoIP Implementation Works
Our structured approach ensures a smooth transition to cloud-hosted VoIP with minimal disruption to your business.
1. Requirements & Consultation
2. Solution Design
3. Deployment & Configuration
4. Go-Live & Ongoing Support
We assess your business needs, call volumes, users, and existing infrastructure.
We design a tailored Yeastar Cloud PBX and SIP trunking solution based on your requirements.
Our engineers handle setup, testing, number porting, and configuration with minimal downtime.
We provide training, monitoring, and ongoing support to keep your communications running smoothly.
Get a Custom VoIP Quote
Tell us about your business and communication requirements.
We’ll recommend the right Yeastar VoIP solution tailored to your needs.
Frequently Asked Questions
Here are some common questions businesses ask when considering a cloud-hosted VoIP solution.
Do we need special phones to use VoIP?
Most businesses use IP phones, but VoIP can also work with softphones and mobile apps depending on your requirements.
Can we keep our existing phone numbers?
Yes. Existing numbers can usually be ported to the new VoIP system, subject to standard porting processes.
Is VoIP suitable for remote or hybrid teams?
Absolutely. Cloud-hosted VoIP is ideal for remote and hybrid work, allowing users to connect from anywhere with an internet connection.
What internet speed is required?
VoIP does not require excessive bandwidth, but a stable and reliable internet connection is essential for call quality.
Do you provide ongoing support?
Yes. We offer full setup, monitoring, maintenance, and ongoing support for all VoIP solutions we deploy.
