Related: business phone systems in Tulsa · 3CX phone systems in Tulsa · Broken Arrow business phones
Your phones are how customers reach you. When calls drop, voices break up, or the front desk can’t transfer a caller without losing them, it costs you a customer’s patience, and sometimes the customer. You already know the old system isn’t keeping up. What’s hard is the next step. Search “business phone systems Tulsa” and you get national comparison sites with per-seat price tables, plus a stack of single-vendor pages that all promise “crystal-clear calls.”
This list is meant to save you that first afternoon of research. It covers who provides business phones and VoIP in the Tulsa area, what each provider says it offers, and how to tell them apart for a business your size. The decision is still yours.
A note on who wrote this
NSN Management provides business phone systems in Tulsa, and we are on this list. We have tried to describe every provider fairly, using what each one says about itself on its own website, and we have not ranked anyone by a score we invented. The order below is not a ranking. Read our entry as a plain statement of what we do, and use the criteria and questions below to judge all of us, NSN included.
How we compared providers
- Platform. Is it 3CX, the provider’s own hosted PBX, a resold cloud platform such as Microsoft Teams Phone, Zoom Phone, or RingCentral, or carrier phone service? Each can work. You should know which one you’re buying.
- Local support. Where the people who answer your call actually sit, and what hours they work.
- Implementation. Whether call-flow planning, number porting, and staff training are part of the move or left to you.
- Network responsibility. Whether the provider owns the network side of call quality (QoS, bandwidth, jitter) or stops at the phone system.
- Fit. Business size, industry, and compliance needs such as HIPAA for healthcare and dental offices.
The 10 providers
1. NSN Management
nsnmanagement.com · South Tulsa office
NSN Management installs and supports cloud-hosted 3CX phone systems for Tulsa-area businesses. As a 3CX Gold Partner, we handle the system, the calling service, number porting, staff training, and agreed network work, so the people who set up your phones are also the people who look at the network they run on. We support 3CX only. We don’t resell other phone platforms, so our advice and our support are built around one system we know well. We also help businesses that already run 3CX get more out of their current setup. See 3CX phone systems in Tulsa for more on the platform.
Support is during office hours, Monday–Friday, 8:30 a.m.–5:30 p.m. Central. Best fit: Tulsa businesses that want a 3CX system planned, moved, and supported by a local team that also handles the network side of call quality.
2. ArcLight Group
arclightgroup.com · Tulsa
ArcLight Group, a Tulsa managed IT provider, offers its own cloud-hosted phone system, the ArcLight Phone System (ALPS). Its site lists call queues, call recordings, click to call, presence, and call reports. ArcLight says its IT support team is based in Tulsa and provides staff training. Best fit: businesses that want phones from the same Tulsa provider that handles their IT.
3. Telephone Connections LLC
telephoneconnectionsllc.com · Broken Arrow (11375 E 61st St)
Telephone Connections describes itself as “Oklahoma roots, nationwide connections.” It offers hosted VoIP, business internet, and IT solutions. Its site promotes menus, routing, and call queues, and an Oklahoma-based support team. Best fit: businesses that want a phone-focused provider and help coordinating internet service at the same time.
4. InterPeak Technology Solutions
interpeakmsp.com · Downtown Tulsa (401 S Boston Ave)
InterPeak offers its own cloud-hosted PBX, which it says was designed by a CCIE Collaboration engineer. It also designs and supports Microsoft Teams Phone, Zoom Phone, RingCentral, and Webex Calling. Its site says it handles planning, number porting, configuration, and training, and that porting usually takes two to four weeks depending on the old carrier. Best fit: businesses that are already committed to Teams, Zoom, or Webex, or that want several platforms to choose from.
5. Diverse CTI
diversecti.com · Serving Oklahoma City and Tulsa
Diverse CTI offers cloud VoIP and unified communications for Oklahoma City and Tulsa businesses. It lists business texting on your main number, team chat, HD video meetings, and integrations with tools such as Salesforce, Microsoft Teams, and Google Workspace. The company says it has served Oklahoma businesses for more than 40 years, and its site says the platform supports HIPAA and FINRA compliance needs. Best fit: businesses that want calling, texting, chat, and video on one unified platform.
6. RK Black Technology Solutions
rkblack.com · Jenks office (244 S. Gateway Pl)
RK Black offers managed VoIP powered by 3CX as part of its managed services, with an office in Jenks. Best fit: businesses that want 3CX from a provider that also offers broader managed services.
7. Simple Technology Solutions
simpletulsa.com · Tulsa
Simple Technology Solutions offers managed cloud VoIP. It describes the process as assessment, then design, then number porting and setup, then ongoing management. Best fit: businesses that want a guided, step-by-step move to cloud phones.
8. Kamadeyle Solutions
kamadeyle.com · Tulsa (7136 S Yale Ave)
Kamadeyle Solutions offers VoIP and UCaaS phone service. Its site lists unlimited calling within the US and Canada, a softphone app, SMS/MMS, call queuing, auto attendant, and connecting multiple offices under one phone system. Best fit: smaller offices that want a straightforward, feature-based cloud phone service.
9. Tulsa TeleSolutions
tulsatelesolutions.com · Broken Arrow
Tulsa TeleSolutions offers business phone systems, including Panasonic, NEC, and VoIP/PBX systems, along with phone repairs, structured cabling, and security cameras. Best fit: businesses with existing Panasonic or NEC equipment, or businesses that need cabling and cameras from the same vendor.
10. Cox Business
cox.com/business · Tulsa service area
Cox Business is a carrier. It offers business phone lines and hosted VoIP (VoiceManager), plus virtual numbers. Best fit: businesses that want phone service bundled with their internet carrier and are comfortable managing the phone system themselves or with a separate IT provider.
Hosted VoIP vs. 3CX vs. carrier phone service: what’s the difference?
- VoIP means your calls travel over the internet instead of traditional phone lines. Almost every option on this list is VoIP in some form.
- Hosted (cloud) PBX means the phone system itself (extensions, call routing, voicemail, queues) runs in a data center instead of a box in your closet. Several providers above run their own hosted PBX.
- 3CX is a specific PBX platform that can be cloud-hosted. Because it’s a standard platform, more than one local provider can support it. See 3CX phone systems in Tulsa.
- UCaaS platforms such as Microsoft Teams Phone, Zoom Phone, RingCentral, and Webex Calling combine calling with chat and meetings, and they’re often resold and supported by local IT providers.
- Carrier phone service comes from your telecom or internet provider. It’s convenient to bundle, but call-flow design and on-site help may be up to you.
No single option is right for everyone. Ask the questions below and choose the one that fits how your business answers the phone.
How to choose: 7 questions to ask any Tulsa phone provider
- Who owns our phone numbers? The answer should be “you do,” in writing.
- What’s the porting plan and cutover day? Ask how long porting takes with your current carrier and what happens to calls during the switch.
- Who handles the network when calls break up? Most call-quality problems are network problems: QoS, bandwidth, jitter. Find out whether the provider fixes them or points you to someone else. (More: VoIP call quality problems your IT provider should have fixed already.)
- How is licensing counted? Per person/extension or by simultaneous calls. The difference matters as you grow.
- What training does our staff get? Especially the front desk.
- What are your support hours, and who answers? Get the hours in writing and find out where the people who answer are located.
- What happens to the system if we leave? You should know how your numbers, call flows, and recordings come with you.
If you’re in healthcare or dental, also ask how the system handles HIPAA. See what HIPAA actually requires for business phone systems.
Put NSN through the same seven questions. Looking for IT support more broadly? See our Top IT Support Providers in Tulsa roundup.
Talk to NSN Management
You don’t need to become a phone-system expert. You need customers to reach you, calls that sound clear, and a switch that doesn’t disrupt your week. If a 3CX system planned by a local 3CX Gold Partner, with porting, training, and the network side handled, sounds like the right shape, book a Discovery Call at nsnmanagement.com. We’ll look at how your business handles calls today and tell you honestly whether we’re the right fit. If we’re not, we’ll say so.
Questions Tulsa businesses ask about this
Who are the best VoIP providers in Tulsa?
There’s no single best. It depends on the platform you want, how you want to be supported, and your size. Providers serving Tulsa include NSN Management, ArcLight Group, Telephone Connections, InterPeak, Diverse CTI, RK Black, Simple Technology Solutions, Kamadeyle Solutions, Tulsa TeleSolutions, and Cox Business. For businesses that want 3CX planned and supported locally by a 3CX Gold Partner, NSN Management is a strong fit.
What is the difference between VoIP, hosted PBX, and 3CX?
VoIP means calls over the internet. A hosted PBX means the phone system runs in the cloud. 3CX is a specific PBX platform that can be cloud-hosted.
Can I keep my business phone numbers when I switch?
Yes. Numbers are typically ported from your current carrier. Ask any provider for the porting plan and the cutover date before you sign.
Why does VoIP call quality break up, and who fixes it?
Usually it’s the network: QoS settings, bandwidth, or jitter. Ask whether your provider owns that work. See 8 network issues behind VoIP call quality problems.
Do I need a HIPAA-compliant phone system?
If you’re a healthcare or dental practice, ask every provider how its system handles HIPAA. See what HIPAA requires for business phone systems.
Is NSN Management really on its own list?
Yes. This is our list, and we say so at the top. We described every provider using public information, and the same criteria and questions apply to us.