VoIP Services

Hosted VoIP with platform control and responsive support.

Avoid phone vendor runaround with OneVoice, a hosted VoIP platform GroupOne IT owns and manages.

Reduce call quality issues with 24/7 monitoring across every layer of the proprietary VoIP stack.

Simplify budgeting with unlimited nationwide calling and feature-rich service without hidden add-on costs.

Keep existing workflows moving with support for over 125 SIP phone models and practical migration planning.

Connect calls to business apps like Microsoft Teams, Salesforce, Zendesk, Stripe, and other key tools.

Request a Quote for our VoIP Services

Trusted By

Reliable Communication Clients Can Build Around

See why partner-clients trust GroupOne IT to reduce operational stress and support growth.

When we founded our firm back in 2008, GroupOne was our first professional relationship. As we have grown, GroupOne has demonstrated an understanding of our size, limitations, and unique business requirements. Their team meticulously analyzed our existing systems and implemented tailored solutions that streamlined our IT operations. Our partnership with GroupOne IT has been instrumental in our growth and stability. Their unwavering dedication to client satisfaction, coupled with their fast, thorough, and comprehensive service, has elevated our operational capabilities and positioned us for continued success in the dynamic landscape of financial advisory services. We wholeheartedly recommend GroupOne IT to any organization seeking reliable and proactive IT support tailored to their specific needs.

Daniel Andersen

Co-founder, CFP, Parkshore Wealth Management

GroupOne truly understands the challenges we face as an engineering firm. We’ve partnered with them for over 14 years, and they’ve consistently kept us ahead of emerging technologies, advising us well in advance on the changes we need to make. When a client required cybersecurity as part of our insurance coverage, GroupOne immediately knew exactly what to do and implemented it quickly. That capability has had a major impact on our business and helped us secure new clients. I would highly recommend GroupOne, especially to engineering firms because they genuinely understand our needs and deliver exceptional service.

Jay Singh

President, RSC Engineering

GroupOne IT has been an outstanding partner. They implemented our technology road map and coordinated everything to ensure we have a resilient and stable network. GroupOne exceeded our expectations during the onboarding process, which we knew would be challenging. They were well-prepared to address our concerns and back-end issues during the transition process. Their commitment to providing excellent service reduced stress for me and my whole team. They helped me make smarter budgeting decisions, resulting in lower overhead costs and less headaches. We value our relationship with GroupOne and look forward to a long and fruitful partnership with them.

Spencer Johnson

Director of Facilities & IT, Peach Tree Health

GroupOne truly feels like family to us. They’re a trusted partner with deep expertise right in our backyard. From designing complex, redundant networks to helping us work through everyday IT questions, they’ve been there whenever we needed them. I appreciate that I can speak directly with their engineers or even their CEO, Chris and always feel respected and understood. Their team is highly trained, experienced, and committed to doing things the right way. Knowing GroupOne is monitoring our systems, securing our backups, and keeping us protected around the clock gives me complete peace of mind.

Andrew Riordon

IT Director, Adams Group

Voice Systems Built Around Real Business Workflows

Responsive IT Support Turns One Technical Issue Into Three Resolved Problems

Prompt, patient support helped a customer resolve multiple issues and gain lasting confidence.

Resilient IT Systems Help a Community Health Provider Stay Focused on Care

Peach Tree Health needed dependable IT support to manage a complex rollout and stabilize its network across multiple clinics. GroupOne IT delivered a resilient infrastructure, smooth onboarding, and practical budget guidance that helped the organization reduce strain and keep care delivery running smoothly.

Tailored IT Support Helps a Wealth Management Firm Scale Confidently

Parkshore Wealth Management needed IT support that aligned with its growth plans and regulatory environment. GroupOne IT delivered customized improvements and responsive service that strengthened day-to-day operations and supported expansion without adding complexity.

Unified Device Management Streamlines Operations at Golden Harvest Foods

Golden Harvest Foods needed a simpler way to manage devices across Mac and Windows systems as operations expanded. GroupOne IT implemented Microsoft Intune to centralize device management, reduce complexity, and improve efficiency across daily IT operations.

Proactive IT Guidance Helps an Engineering Firm Win New Business

RSC Engineering needed an IT partner that anticipated technology changes and acted quickly when new cybersecurity requirements emerged. GroupOne IT delivered proactive guidance and rapid implementation that helped the firm meet client and insurance demands while supporting continued growth.

Awards & Certifications

VoIP Services With Full Platform Accountability

Managed voice, clearer support

OneVoice Platform

Direct ownership and support

OneVoice is the hosted VoIP platform owned and managed by GroupOne IT, giving your business a more accountable voice experience. Instead of relying on a white-labeled phone service with limited visibility, your support path goes directly to the team responsible for the platform.

That control supports clearer escalation, faster investigation, and better long-term documentation for your users, devices, call routing, and system configuration.

Call Quality

Monitored for call quality

Call quality depends on the full technology path, not just the handset on a desk. OneVoice is monitored across every layer of the VoIP stack, with attention to latency, jitter, routing, platform health, and service conditions that affect the user experience.

When an issue appears, the team can review the environment with platform-level visibility, reducing finger-pointing and helping your staff stay focused on customers, projects, and internal work.

Unlimited Calling

Predictable calling costs

Phone costs should be easy for accounting and leadership to understand. OneVoice includes unlimited nationwide calling and a feature-rich service model designed to reduce surprise add-on charges for common business phone capabilities.

This supports predictable planning while still giving your team the calling features needed for daily operations, client communication, internal transfers, voicemail, routing, and other practical workflows.

SIP Phone Support

Flexible device planning

Replacing every phone at once is not always the best operational decision. OneVoice supports more than 125 SIP phone models, giving your business more flexibility during planning, migration, and hardware refresh decisions.

GroupOne IT can review your current devices, identify what can be supported, recommend where upgrades make sense, and help align the phone environment with your budget, user needs, and long-term technology roadmap.

App Integrations

Calls connected to apps

Your phone system is more valuable when call data connects to the tools your team already uses. OneVoice can integrate with business applications such as Microsoft Teams, Salesforce, Zendesk, Stripe, and other services where call context matters.

That means users can access relevant information while a call is happening, helping reduce manual lookup time, improve client interactions, and keep communication tied to the workflows that drive your business.

VoIP Migration

Planned migration support

A successful VoIP rollout requires planning, documentation, and support after the cutover. GroupOne IT reviews users, numbers, call flows, devices, and requirements before implementation so the migration fits how your team works.

After deployment, support cases benefit from AI-assisted triage, structured scheduling, and quality assurance checks that strengthen documentation. This creates a cleaner support experience and helps future issues get resolved more efficiently.

Our Elite Partners

Proven Voice Infrastructure, Managed With Accountability

30 day

Average Onboarding Time

17.8 hr

Average Issue Resolution Time

43%

First-Call Issue Resolution Rate

Clearer Calls With Less Vendor Friction

Business voice should not create operational stress. OneVoice gives your team a hosted VoIP service designed for clear calls, predictable costs, and direct platform support from GroupOne IT.

Because GroupOne IT owns and manages the VoIP platform in two data centers in the United States, troubleshooting is not passed between disconnected vendors. The same team responsible for the service can monitor, investigate, document, and resolve issues with better visibility into the full stack.

The result is a phone system built for Quiet IT: stable communication, fewer disruptions, and a voice environment that supports daily work without demanding constant attention from your staff.

A Managed Voice Platform Built for Daily Operations

OneVoice is built for businesses that need more than a dial tone. Your phone system should support operations, client communication, and internal collaboration while staying simple to manage.

Hosted VoIP platform owned and managed by GroupOne IT.
Two data center architecture in the United States for platform resilience.
24/7 monitoring across every layer of the VoIP stack.
Unlimited nationwide calling for predictable monthly planning.
Support for more than 125 SIP phone models.
Feature-rich service without surprise charges for standard capabilities.
Integration options for tools such as Microsoft Teams, Salesforce, Zendesk, and Stripe.

A Practical Path From Cutover to Ongoing Support

Changing phone systems should be handled like an operational project, not a rushed cutover. GroupOne IT assesses your current phone environment, reviews users, devices, call flows, numbers, and business requirements, then builds an implementation plan designed to limit disruption.

Support continues after deployment. Cases are triaged with AI and automation, scheduled through a calendaring process that reduces phone tag, and quality checked for documentation. That process helps similar issues get resolved faster in the future.

For leadership, the value is straightforward: a voice system that is easier to manage, easier to support, and aligned with how your business actually communicates.

Modernize Your Business Phones

Review your phone environment and plan a smoother voice experience.

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Answers to Common Questions About VoIP Services

What makes your VoIP Services different from typical phone solutions?

You get a fully managed, proprietary VoIP platform, not a generic whitelabel product, engineered for ultra low-latency, reliable calls. Your phones are supported directly by trained internal technicians, with end-to-end monitoring and rapid issue resolution. Every feature is included, so there are no hidden charges for standard capabilities like call recording, voicemail-to-email, or integrations.

How can VoIP Services help improve business communication and productivity?

VoIP Services streamline your business communication by offering unlimited nationwide calling, seamless integration with popular apps, and advanced call features. Your team can:

Access calls and data from anywhere
Connect VoIP with tools like Microsoft Teams, Salesforce, or Zendesk
Benefit from improved call quality and uptime

These outcomes reduce manual work and support a more agile, responsive team.

What is the onboarding process for new VoIP clients?

Your onboarding starts with a comprehensive environment audit and a review of your current phone workflows. The team documents requirements using a 111-Point Checklist, creates a tailored implementation plan, and schedules installation to avoid business disruption. After setup, you receive a post-onboarding assessment and ongoing reviews to ensure everything keeps running smoothly.

How does pricing work for VoIP Services and are there hidden fees?

VoIP Services use a flat-rate pricing model, giving you predictable monthly costs with no surprise add-ons. All standard features and support are included, so you won’t see extra charges for things like integrations or user changes. This approach helps your accounting team reliably forecast IT expenses and eliminates billing confusion.

Why should I choose this provider for my business VoIP needs?

You benefit from a provider that controls and supports the entire VoIP platform in-house, ensuring fast troubleshooting and a consistent user experience. The ITIL-aligned service delivery and proactive monitoring minimize downtime and operational stress. You’ll work with a team focused on long-term partnership and ongoing technology reviews, not just a transactional vendor relationship.