Transform the Way Your Business Communicates with VoIP
Say goodbye to outdated phone lines and hello to smarter communication. At Wiseserve, we deliver next-generation VoIP (Voice over Internet Protocol) solutions — powered by Gamma, one of the UK’s most trusted communication networks. Whether you’re a small business or a large enterprise, we’ll help you connect your teams, customers, and partners with crystal-clear audio, flexible call routing, and cost-effective cloud technology.
Our VoIP systems are built for reliability, scalability, and simplicity — so you can focus on growing your business while we handle your communication infrastructure.
About Our VoIP Solutions
At Wiseserve, we believe that effective communication is at the heart of every successful organisation. That’s why we provide fully managed VoIP systems that combine high-quality voice calling with advanced features like video conferencing, voicemail-to-email, call analytics, and mobile integration.
We’re a proud Gamma reseller, offering our clients access to one of the most reliable and secure cloud telephony infrastructures in the UK. From initial consultation to installation, configuration, and support — we manage everything for you.
VoIP for Business – Stay Connected, Stay Ahead
In today’s hybrid work world, your phone system should work wherever you do. Wiseserve’s VoIP for Business ensures your team stays connected — whether they’re in the office, working remotely, or on the move.
Our cloud-based systems allow you to:
- Manage inbound and outbound calls from anywhere
- Route calls automatically to the right department or team member
- Host professional meetings with built-in video and conferencing features
- Integrate with your CRM to access caller data instantly
VoIP isn’t just a phone system — it’s a complete communication solution designed to make your business smarter, faster, and more responsive.
Our Services
Our VoIP Services
Business VoIP Setup & Installation
Gamma Cloud Phone Solutions
VoIP Migration from ISDN/PSTN
Unified Communication Solutions
Call Management & Reporting
Remote & Hybrid Team Support
Maintenance & Ongoing Support
Integration with Business Tools
Why Choose Wiseserve for VoIP Solutions?
Your communications deserve expert attention. Here’s why Oxford businesses trust us:
Official Gamma Partner
Delivering industry-leading cloud telephony backed by enterprise-grade reliability.
Local Oxford Experts
Fast, personal, and professional support from our in-house technicians.
Tailored Solutions
Every business gets a setup that matches its unique workflow and size.
Affordable Pricing
Flexible packages designed for SMEs, startups, and growing organisations.
Future-Ready Technology
Ensure your business stays ahead as the UK transitions away from traditional phone lines.
Unmatched Support
From setup to troubleshooting, we’re with you every step of the way.
Upgrade Your Business Communications Today
Take your business communication to the next level. Whether you need a new VoIP setup or want to migrate from ISDN, our experts are ready to help.
Call 01865 451 177 or Book a Free Consultation to modernise your business phone system.
Frequently Asked Questions
Q1: What’s the difference between VoIP and traditional phone systems?
VoIP uses the internet to transmit calls, offering better scalability, lower costs, and more features compared to ISDN or landline systems.
Q2: Can I keep my existing business phone numbers?
Yes! We’ll port your existing numbers to your new VoIP system with zero downtime.
Q3: How reliable is a VoIP phone system?
Our Gamma-powered VoIP services come with enterprise-grade uptime and redundancy for continuous operation.
Q4: Is VoIP suitable for small businesses?
Absolutely. VoIP systems scale perfectly — from startups to large enterprises — while keeping costs manageable.
Q5: Do I need special hardware for VoIP?
You can use existing devices, VoIP handsets, or even your computer and smartphone for calls — it’s that flexible.
Still have a question? We're here to help.
Key Benefits of VoIP Systems
Make your business communication future-ready with Wiseserve’s VoIP services.
Cost-Effective Communication
Save on call charges and eliminate expensive hardware.
Scalable for Growth
Add or remove users easily as your business expands.
Enhanced Call Quality
Enjoy crystal-clear voice powered by Gamma’s robust network.
Increased Productivity
Improve collaboration with unified messaging and conferencing tools.
Improved Mobility
Work and communicate from anywhere — all you need is an internet connection.
Advanced Security
Our VoIP solutions are protected by enterprise-grade encryption and firewalls.