Microsoft Teams Phone vs RingCentral: Which Fits Your Business in 2026?
Teams Phone builds business calling into Microsoft's collaboration environment; RingCentral RingEX delivers calling, messages and video as a dedicated communications suite. The better choice depends on your Microsoft licenses, call flows and whether your staff want one Teams interface or a dedicated phone platform.
There is a third route worth checking: RingCentral can also bring its calling into Teams. This guide separates that integration from buying Teams Phone itself.
Compare features ↓Explore RingCentral →Start with the calling workflow
Choose Teams Phone if most callers already work in Teams and you want to control your PSTN carrier path.
Shortlist RingEX if you want a dedicated cloud phone suite with business messaging, video and an extensive integration catalog.
Compare RingCentral for Teams separately if you need RingCentral calling while employees stay in Teams.
What Is the Main Difference?
Microsoft Teams Phone supplies PBX features inside Teams; external calls require Teams Phone licensing and a qualifying PSTN connection. RingCentral RingEX combines business phone, messaging and meetings in a dedicated platform. RingCentral's Teams integration is an additional deployment choice, not the same product as Microsoft's Teams Phone license.
Microsoft Teams Phone and RingCentral at a Glance

Microsoft Teams Phone
Best for: Microsoft 365 teams that prefer calling in the Teams interface and want a choice of PSTN connection.
Watch: Teams Phone, a qualifying Teams license and external calling may be separate line items.
Explore Teams Phone →
RingCentral RingEX
Best for: buyers who want a dedicated phone, messaging and video suite with CRM and help-desk integration options.
Watch: the exact RingEX tier, regional calling rights and any advanced call-center or integration add-ons.
Explore RingCentral →G2 scores reflect reviewers' opinions of different product listings, not a controlled head-to-head test; Microsoft Teams' score covers more than phone service.
Compare What Employees and Administrators Actually Use
Swipe the table sideways to see both products →
| Decision point | Microsoft Teams Phone | RingCentral RingEX |
|---|---|---|
| Daily interface | Calls inside Teams with Microsoft 365 context. | Calls, team messaging and video in RingCentral's app; Teams integration is available separately. |
| Public phone calling | Phone entitlement plus Calling Plan, Operator Connect, Direct Routing or another eligible path. | Check calling allowances, numbers and countries in the selected RingEX plan. |
| Reception and routing | Auto attendants and queues; validate resource accounts, agent setup and reporting. | Auto receptionist, call handling and queues; validate exact tier and advanced features. |
| Meetings and messages | Native Teams meetings and chat; phone capabilities are separately licensed. | RingCentral video and team messages in the suite; confirm tier limits and features. |
| Integrations | Microsoft 365, Teams admin and approved carrier ecosystem. | Microsoft Teams plus CRM and help-desk integrations; eligibility and add-ons vary. |
| International deployment | Coverage depends on Microsoft or chosen carrier, number types and country rules. | Coverage and rates depend on RingCentral market, plan and numbers. |
| Best pilot question | Can admins configure and support the exact PSTN path and queues? | Does the suite or Teams integration match each staff role? |
Call Quality, Scalability and Integrations
Call quality
Both rely on real networks, endpoints and PSTN routes. Test Wi-Fi, headsets, packet loss, one-way audio, transfers and mobile handoff instead of assuming a vendor-wide sound-quality winner.
Call routing
Recreate your main number, business-hours greeting, overflow, queue and voicemail in both systems. Compare what a receptionist can change without opening an IT ticket.
Scalability
For a growing business, measure how quickly admins can add staff, assign numbers and provision sites in each country. Compare role permissions and support escalation.
Integrations
Teams Phone is strongest in Microsoft workflows. RingEX offers integrations for systems such as Salesforce and Zendesk; check whether the exact workflow needs an extra plan or connector.
Mobile and devices
Run the same desk-phone, desktop, mobile and remote-worker scenarios. Confirm compatible hardware and how missed calls, SMS and voicemail appear across devices.
Analytics and AI
Compare the reports your managers will use weekly. Ask which transcription, summaries or advanced analytics features are included, regionally available or priced separately.
Can You Use RingCentral With Microsoft Teams?
Yes, but ask which configuration the seller means. RingCentral describes an embedded Teams app for placing RingCentral calls and accessing functions such as SMS and analytics from Teams. Its page also distinguishes Direct Routing from Operator Connect; the latter was labeled early access when checked. Availability, licensing and support should be confirmed for your region.
1. Microsoft Teams Phone
Microsoft phone system plus your chosen supported PSTN connection. Users make calls in Teams under the relevant Microsoft and carrier arrangement.
2. Standalone RingEX
RingCentral runs the calling suite in its own apps. Staff can still retain Microsoft 365 for email, documents and meetings.
3. RingCentral for Teams
RingCentral calling in Teams through a separately specified integration or connectivity option. Ask for a written architecture and license map.
Expert advice: Demonstrate inbound calls, transfers, SMS, voicemail, recording and queue management in the exact proposed configuration. A Teams-branded demo alone does not prove the quote includes Microsoft Teams Phone.
Pricing: Compare the Full Stack, Not a Headline Seat Price
Microsoft's US page lists Teams Phone Standard at $10 per user/month paid yearly and a Teams Phone with Calling Plan offer at $17 per user/month paid yearly, subject to eligibility and country. A qualifying Teams license may be separate. RingCentral's live pricing varies by plan, user count, billing term and region; request a quote for the same staff and features rather than copying a promotional entry price.
Teams Phone Standard is the phone-system component; price the Teams entitlement and PSTN connectivity. A US Calling Plan bundle is displayed at $17/user/month paid yearly on Microsoft's page.
Check Microsoft pricing →Ask for the selected plan, domestic and international minutes, numbers, SMS, devices, recording, analytics, integrations, taxes and any setup costs.
See RingCentral options →Request These Line Items on Both Quotes
Same user mix · same locations · same contract lengthSwipe sideways to compare quote components →
| Cost item | Teams Phone | RingCentral |
|---|---|---|
| Core licenses | Teams or Microsoft 365 eligibility, Teams Phone entitlement and admin roles. | RingEX tier, number of paid users and any Teams integration entitlement. |
| Calling | Calling Plan or carrier, local/international minutes, numbers and emergency service. | Plan allowances, out-of-plan calling, numbers and country coverage. |
| Operations | Setup, carrier onboarding, porting, desk phones, support and add-ons. | Porting, devices, advanced routing, recording, integrations and support. |
| Commercial terms | Billing term, renewal, applicable taxes and cancellation. | Billing term, promotional period, renewal, taxes and cancellation. |
The displayed Microsoft prices are US examples checked September 2026; provider pricing and promotions may change. Ask for written local terms.
Which Fits Your Business?
Choose Teams Phone if…
- Most employees already work in Teams every day.
- Your administrators can manage Microsoft calling and your chosen carrier path.
- Keeping calls, presence and collaboration in Teams matters more than a separate phone app.
Watch for: licensing layers, carrier ownership and support handoffs.
Choose RingCentral if…
- You want a dedicated communications suite with phone, team messages and video.
- Sales or service teams need integrations and phone-centered workflows.
- You want to explore RingCentral calls in Teams without assuming you must buy Microsoft Teams Phone.
Watch for: tier limits, integration costs and overlapping Microsoft licenses.
Pros and Cons
Microsoft Teams Phone
Pros
- Familiar Teams interface for Microsoft 365 organizations.
- Choice of eligible PSTN connectivity methods.
- Calling can sit alongside existing collaboration administration.
Cons
- License and carrier layers complicate total-cost comparison.
- Direct Routing can require more configuration and specialized support.
- Some advanced customer-service needs require additional products.
RingCentral RingEX
Pros
- Dedicated phone, messaging and video environment.
- Broad integration ecosystem and a Teams integration option.
- Purpose-built phone administration and multi-device use.
Cons
- Tier and add-on differences require careful quoting.
- Keeping full Microsoft 365 and RingEX can create overlapping spend.
- Full contact-center needs may require a separate product.
What Real Deployments Can Teach You
Microsoft Teams Phone: ScottMadden
In a Microsoft-published customer story, ScottMadden describes a move into Teams Phone. The useful lesson is to plan staff adoption and number migration as part of the wider Microsoft environment. This is a vendor case study, not an independent performance test.
RingCentral: First Bank
RingCentral's customer case study index reports that First Bank saved up to 30% in overall phone costs while modernizing communications across more than 100 branches. That outcome is specific to its deployment; request a quote for your own baseline rather than projecting the same savings.
Industry signal: G2 user reviews provide useful feedback about day-to-day experience, but compare the different listing scopes carefully: its Microsoft Teams score covers the broader collaboration app, while the RingEX score concerns RingEX. This is why our recommendation rests on a working pilot and a complete quote.
Run a Two-Week Trial With Your Own Calls
Map the current service
List numbers, regions, agents, shared phones, peak queues, opening hours, recording rules and emergency-calling needs.
Test identical scenarios
Place inbound and outbound calls, transfer to a colleague, route after-hours calls, review analytics and test an outage or mobile handoff.
Approve costs and migration
Get line-item quotes, verify porting windows and plan support ownership before moving your most important number.
Use our VoIP setup requirements checklist before the pilot to catch local network and equipment issues.
Microsoft Teams Phone vs RingCentral: Common Questions
Is Microsoft Teams Phone included with Microsoft 365?
It depends on your Microsoft 365 or Teams plan. A suitable Teams Phone entitlement is needed for the phone system; public telephone calling requires an eligible PSTN connection, such as a Microsoft Calling Plan, Operator Connect or Direct Routing.
Is RingCentral a replacement for Microsoft Teams?
Not necessarily. RingEX can run as a standalone phone, messaging and meeting platform. RingCentral also offers a Teams embedded app and separate Teams calling connectivity options. Check which arrangement your quote covers.
Can RingCentral work inside Microsoft Teams?
Yes. RingCentral advertises an embedded Teams app, and separate Direct Routing and Operator Connect paths. These are distinct implementations with different licensing and administration requirements.
Which is cheaper, Teams Phone or RingCentral?
There is no universal winner. Compare the total cost of existing collaboration licenses, phone users, PSTN connectivity, numbers, minutes, taxes, integrations and any add-ons for the same contract term.
Do both support auto attendants and call queues?
Both provide business calling and routing features. Compare the exact queue behavior, reporting, after-hours rules, recording rights and relevant licenses in a pilot.
Can I move my business phone numbers?
Porting may be available for eligible numbers and countries. Request a number-by-number porting check and keep current service active until the transfer is complete.
Which provides better call quality?
Neither is guaranteed to sound better in every office. Test the actual network, headsets, Wi-Fi, mobile handoff and calling route with a sample of real calls.
Do I need a contact center add-on?
Possibly. A standard phone-system queue is not the same as a full contact center with workforce management, omnichannel routing and advanced quality tools. Scope those requirements separately.
Final Verdict
Teams Phone is a strong short list for organizations deeply invested in Teams that can plan their Microsoft and carrier licenses. RingCentral RingEX is compelling when a dedicated business communications suite and phone-focused integrations better fit the staff. If you want RingCentral calling inside Teams, ask for that exact integration architecture as a third quote.
Explore Teams Phone →Explore RingCentral →Affiliate disclosure: VoIPCalling.com may earn a commission through the RingCentral referral link. Microsoft links go directly to Microsoft. This does not change your price.
Sources and review method
Checked September 2026: Microsoft Teams Phone features and US pricing, Microsoft licensing guide, RingCentral plans, RingEX overview, RingCentral's Teams options, and RingCentral customer accounts. Ratings were checked against G2 product listings; the badge shows G2 by name without linking it. We compare documented features and buying criteria, not independently benchmarked call quality. Confirm pricing and availability for your country and contract.
