Microsoft Teams Phone vs KrispCall: Which Fits Your Business in 2026?
Microsoft Teams Phone gives an eligible organization business calling inside Teams. KrispCall centers an online phone workspace around virtual numbers and customer conversations in multiple markets. For a small team entering new countries, the decision starts with the exact number type and whether it can be activated, called from, and texted in each market.
Country availability is a purchasing question, not a guarantee: number inventory, identity documents, porting, local presence rules, caller ID and per-minute charges can differ between countries and providers.
Compare options ↓Explore KrispCall →Start with your target countries
Teams Phone makes sense when staff already work in Teams and a supported Microsoft or carrier PSTN path covers your numbers.
KrispCall deserves a shortlist for teams seeking multiple market-specific virtual numbers and a shared cloud calling workspace.
Ask both sellers for a country-by-country number and usage quote before picking the lowest seat price.
What Is the Main Difference?
Teams Phone is Microsoft's phone system inside Teams; external calls require a qualifying PSTN route. KrispCall sells cloud calling and virtual numbers in a separate workspace. Teams Phone favors a Microsoft-centered workforce with the right carrier coverage. KrispCall may suit a small team needing local-facing numbers across several markets, but every target country's number availability, documentation and usage charges must be verified.
Teams Phone and KrispCall at a Glance
Microsoft Teams Phone
Best for: businesses already using Teams that can choose an eligible Calling Plan or carrier for each location.
Watch: Teams, Phone and carrier licenses can be separate; national number rules vary.
KrispCall
Best for: small global-facing teams managing virtual numbers, calls and messages online.
Watch: pay-per-minute calls, SMS segments, number rental and documentation beyond eligible included numbers.
These are different product listings and review groups. The broader Microsoft Teams score does not measure Teams Phone audio against KrispCall.
Which Product Solves Each Global Calling Need?
Swipe sideways to see both products →
| Buying question | Microsoft Teams PhoneView Teams Phone → | KrispCallExplore KrispCall → |
|---|---|---|
| Main workflow | Employee calling and collaboration inside Teams. | Virtual-number customer calling in KrispCall's online workspace. |
| External calling | Phone entitlement and a supported Calling Plan, Operator Connect or Direct Routing setup. | Seat plus number and destination-specific inbound/outbound usage. |
| Country numbers | Microsoft or carrier supply, subject to country and number type. | Virtual-number inventory by country and type; documentation can apply. |
| Included number | Depends on the Microsoft or carrier package. | Current plans advertise one eligible US/UK/CA number per user; verify details. |
| International calls | Check calling plan or carrier country rates. | Current published plans list pay-per-minute calling. |
| Messaging | Check Teams and carrier configuration for the exact SMS use case. | Pay-per-segment messaging; availability and registration differ by country. |
| Admin | Teams admin and carrier/number management. | KrispCall team workspace, numbers and plan features. |
| Best pilot | Activate a representative number in each needed market. | Verify inventory, documents, caller ID, SMS and outbound rates. |
The Four Checks Before Buying Any Virtual Number
Make a row for every target country. A local-looking number is only useful if the planned employee can obtain it, use it lawfully and reach customers at a workable total cost. Use this checklist for either provider's number supplier.
1. Inventory
Confirm the exact city or area code and whether you need local, national, mobile or toll-free service.
2. Documents
Ask for required company registration, identity, local address and expected approval time before publishing the number.
3. Capabilities
Test inbound calls, outbound caller ID, two-way SMS, emergency service and porting separately.
4. True cost
List seat fees, monthly number rent, per-minute calling, SMS segments, setup, taxes and renewal.
Call Quality, Scale, Integrations and Messaging
Call quality
Quality depends on internet connection, device, PSTN route and destination. Compare real local and overseas calls; note latency, jitter and one-way audio.
Number management
Determine who buys, assigns and cancels each local number. Ask what happens if verification is rejected or inventory changes.
Scalability
Add a second agent and a second country to the pilot. Check seat tiers, number allocations, permissions and support response.
Integrations
Teams Phone sits in Microsoft 365 and carrier workflows. KrispCall advertises CRM connections; test the exact contact sync, logs and permissions.
SMS and caller ID
Treat SMS, text-enabled number types and outbound caller ID as independent checks. Carrier registration or country rules may block a use case.
Support and portability
Confirm port-in and port-out eligibility, number ownership, emergency support and what happens if the provider cannot supply a requested number.
Pricing: A Low Seat Price Is Not the Full Number Bill
Microsoft's US page shows Teams Phone Standard at $10/user/month paid yearly and a US Phone with Calling Plan example at $17/user/month paid yearly, subject to qualifying Teams licenses and geography. KrispCall's current US pricing page shows Starter at $12, Advance at $32 and Max at $48 per user/month on annual billing. It lists pay-per-minute calling and per-segment messaging. Its free-number wording applies to eligible US/UK/CA numbers; do not assume a free number in every other country.
Teams Phone Standard is one layer. Include eligible Teams licensing, the chosen carrier or Calling Plan, country numbers and international minutes.
Check Teams plans →Advance and Max are higher tiers; calls and messages are usage-based. Confirm number rent, country documentation, activation and applicable taxes.
Explore KrispCall pricing →Build a Country-by-Country Quote
Same seats · same number types · same call volumeSwipe sideways to compare costs →
| Line item | Teams Phone | KrispCall |
|---|---|---|
| Subscriptions | Teams/Phone licenses and Microsoft or partner PSTN service. | Starter, Advance or Max seats and plan-dependent features. |
| Numbers | Country availability, number rent, assignment and porting fees. | Included eligible US/UK/CA number, other country rent and documents. |
| Usage | Domestic and international minutes, special destinations. | Per-minute inbound/outbound calling and SMS segments. |
| Operations | Carrier implementation, emergency service, support and tax. | Activation, verification, local regulation, support and tax. |
KrispCall's current page includes some older plan labels elsewhere; use its active plan selector and obtain a dated quote for your countries before publishing final prices.
Which Business Should Pick Each Route?
Choose Teams Phone when…
- Staff live in Teams and Microsoft 365.
- An eligible Microsoft/partner carrier covers all necessary markets.
- Central IT manages numbers and calling rules.
Ask: Can your operator supply each exact number type under the current contract?
Consider KrispCall when…
- A small team wants a shared virtual-number workspace.
- Entering several markets matters more than keeping every call in Teams.
- Its local numbers meet each market's actual requirements.
Ask: What is the approved number inventory and all-in monthly cost per country?
Pros and Cons
Microsoft Teams Phone
Pros
- Works within familiar Teams collaboration.
- Eligible carrier choices for different deployments.
- Centralized employee calling and presence.
Cons
- Phone, Teams and carrier costs stack up.
- International availability varies by PSTN path.
- Country-specific number procurement may take planning.
KrispCall
Pros
- Virtual-number focus with online call management.
- Tiered starting seat prices and multiple market options.
- Shared workflow can serve a small cross-border team.
Cons
- Seat price excludes some usage and country-number costs.
- Local documentation can delay activation.
- SMS and caller-ID rights are not uniform across countries.
What Real Customer Accounts Suggest
Teams Phone: ScottMadden
Microsoft's ScottMadden case describes bringing phone service into a familiar Microsoft environment. The transferable lesson is to plan number migration and user training together. It is vendor-published.
KrispCall: Spechy
KrispCall's Spechy story says the team used virtual numbers across regions to support an expanding international client base, alongside recording and analytics. It reports efficiency improvements specific to that business; verify your own countries and usage before expecting a similar result.
Test One Priority Country Before Scaling
Document the need
List country, city, number type, inbound calls, outbound caller ID, SMS, porting and emergency requirements.
Verify and activate
Submit required company documents, check inventory and test a call and message from local destinations.
Calculate the bill
Add seats, number rent, minutes, message segments, taxes and support fees for every planned country.
Check office connectivity with our VoIP setup requirements guide before the pilot.
Microsoft Teams Phone vs KrispCall: Common Questions
What is the main difference between Teams Phone and KrispCall?
Teams Phone provides cloud PBX calling inside Teams through a supported PSTN connection. KrispCall is a separate virtual-number and cloud calling workspace whose country-specific numbers, calling and messaging need to be checked individually.
Does KrispCall include a free number in every country?
No. Its current plan page advertises one eligible US, UK or Canada number per user. Numbers in other countries, additional types and associated services can cost more or need documents.
Are KrispCall calls unlimited?
KrispCall currently lists pay-per-minute calling across its plans. Compare destination rates, inbound and outbound usage, number rent and any fair-use terms instead of assuming a flat unlimited calling allowance.
How much does KrispCall cost?
Its US pricing page currently shows Starter at $12, Advance at $32 and Max at $48 per user per month with annual billing. Phone numbers, minutes and SMS can add charges. Enterprise pricing is custom.
What documents are required for an international number?
Requirements vary by country and number type. KrispCall may ask for identity, company registration or address evidence. Confirm the exact checklist and activation timeline before promising local availability.
Can we get a local number while staff work overseas?
A virtual number can sometimes be answered over the internet from another location, subject to local number regulation, documentation and KrispCall coverage. Verify the selected number’s inbound, outbound and SMS rights.
Does a local number mean local outbound caller ID?
Not automatically. Outbound caller ID presentation, verified number ownership and local-calling rights can differ from simply receiving calls on a virtual number. Test with real destinations in each country.
Can Teams Phone be used internationally?
Yes, through Microsoft Calling Plans or eligible partner-carrier options where offered. Number types, operator coverage and regulatory requirements vary by country, so map every target market separately.
Can KrispCall numbers be ported?
Potentially, depending on country, number type and losing carrier. Ask for a written eligibility assessment and do not cancel an existing number before the port finishes.
Which service has better audio?
Neither wins in every location. Test the same Wi-Fi, headsets, calling destinations, international routes and carrier handoff, then compare drops and delay.
Can we use Teams meetings and KrispCall for business numbers?
Yes. Teams can remain the meeting and collaboration workspace while KrispCall manages eligible customer numbers. The two subscriptions and their administrator roles should be priced separately.
Do virtual numbers always support SMS?
No. Messaging depends on country, number type, provider rules and registration requirements. Confirm two-way SMS, verification messages and any local restrictions for the exact number before buying.
Final Verdict
Choose Teams Phone when Microsoft 365 is the staff hub and a supported PSTN partner can supply the numbers you need. Shortlist KrispCall when multi-country virtual numbers and shared online call handling are the priorities. Ask for verified number inventory, country documents, caller-ID rights, SMS availability and complete usage costs before choosing either option.
Explore Teams Phone →Explore KrispCall →Affiliate disclosure: VoIPCalling.com may earn a commission through the KrispCall referral link. Microsoft links go directly to Microsoft. This does not change your price.
Sources and review
Checked September 2026 against Microsoft Teams Phone plans, Microsoft Operator Connect documentation, Microsoft number guidance, KrispCall plan and usage details, KrispCall's international-number document guidance and the linked customer stories. G2 scores are named in rating badges. This is a researched buyer guide. Confirm local terms when buying.