Business phone systems · October 2026 Edition
RingCentral vs Microsoft Teams Phone
Eight of fourteen models named RingCentral first on the direct prompt; zero named Microsoft Teams Phone. RingCentral was named by thirteen of the fourteen models and Microsoft Teams Phone by thirteen and RingCentral carries 49 labels and Microsoft Teams Phone 21, so the shares are not directly comparable.
Named in three categories this edition.
Microsoft Teams Phone
accepted challengerNamed in one category this edition.
First-choice share29%3%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate16%10%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#7A position in a field of 12; printed, not drawn.
Labels4921A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, RingCentral reading right to left. Rank and label count are printed, not drawn.Nextiva was named alongside these two in thirteen of the fourteen direct answers. RingCentral vs Google Voice · RingCentral vs Nextiva · RingCentral vs RingCentral RingEX
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the business phone systems page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
RingCentralFirst choices, of fourteen modelsMicrosoft Teams PhoneDirect80
Paraphrase71
Comparative50
Budget-constrained001 against RingCentral
Scale-constrained21
Negative107 against RingCentral · 2 against Microsoft Teams Phone
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Across every category in the October 2026 Edition, RingCentral and Microsoft Teams Phone were named in the same answer sixty-three times, of the 188 answers naming RingCentral and the 89 naming Microsoft Teams Phone. In those answers Microsoft Teams Phone took the first choice thirteen times and RingCentral twenty-seven.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where RingCentral and Microsoft Teams Phone stood in it.
| Model | DirectMT | ParaphraseMT | ComparativeMT | Budget-constrainedMT | Scale-constrainedMT | NegativeMT |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | MT | | MT | ||
| GPT-5.4 mini | | MT | | | ||
| Gemini 3.5 Flash | MT | MT | | MT | | |
| Perplexity Sonar | | | | |||
| Grok 4.1 Fast | | MT | | | | |
| Mistral Small | | | ||||
| DeepSeek V4 Flash | | MT | | | | |
| Llama 4 Maverick | ||||||
| Qwen 3.7 Flash | MT | MT | | MT | | |
| Kimi K2 | MT | | MT | |||
| GLM 4.7 FlashX | MT | MT | | | ||
| MiniMax M2.5 | | | ||||
| GPT-6 Luna | MT | |||||
| Muse Glimmer 30B | | MT | |
RingCentralMT Microsoft Teams Phone first choice named as an alternative argued againstblank: not namedEach cell is one answer, RingCentral on the left and Microsoft Teams Phone on the right.The direct prompt
The plain question, one answer per model, grouped by where RingCentral and Microsoft Teams Phone stood in it.
RingCentral first, Microsoft Teams Phone an alternative
8 of 14 modelsMicrosoft Teams Phone was named in the answer but not as the choice, or not at all.Claude Haiku 4.5RingCentral alternatives: 8x8, Dialpad, Nextiva
GPT-5.4 miniRingCentral, Zoom Phone alternatives: Dialpad, Nextiva, Webex Calling
Gemini 3.5 FlashDialpad, RingCentral alternatives: Aircall, Microsoft Teams Phone, Nextiva
Perplexity SonarRingCentral alternatives: 8x8, Dialpad, JustCall, Nextiva
Mistral SmallRingCentral alternatives: 8x8, Intermedia, Nextiva, Zoom Phone
DeepSeek V4 FlashRingCentral alternatives: 8x8, Aircall, Dialpad, Nextiva
Qwen 3.7 FlashRingCentral alternatives: Microsoft Teams Phone, Nextiva, Zoom Phone
Muse Glimmer 30BNextiva, RingCentral alternatives: 8x8, Dialpad, Zoom Phone
Neither was the first choice, one was named
1 of 14 modelsThe answer put something else first and named one of the two as an alternative.Grok 4.1 FastNextiva alternatives: 8x8, Ooma Office, RingCentral, Zoom Phone
Neither was named
5 of 14 modelsThe answer made no first choice from these two in this category.Llama 4 MaverickNextiva alternatives: JustCall, Vonage, Zoom Phone
Kimi K28x8, RingCentral RingEX alternatives: Dialpad, GoTo Connect, Nextiva
GLM 4.7 FlashXNextiva, RingCentral RingEX alternatives: Dialpad Connect, GoTo Connect, Zoom Phone
MiniMax M2.5Nextiva, RingCentral RingEX alternatives: Intermedia Unite, Zoom Phone
GPT-6 LunaRingCentral RingEX alternatives: Dialpad, Teams Phone, Zoom Phone
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
RingCentral leads by twenty-one points.
RingCentral21%#2 of 11Microsoft Teams Phone0%#8 of 11
The full small business standing →Mid-marketThe figures above
RingCentral leads by twenty-five points.
RingCentral29%#1 of 12Microsoft Teams Phone3%#7 of 12
The full mid-market standing →Enterprise
RingCentral leads by seven points.
RingCentral38%#1 of 10Microsoft Teams Phone31%#2 of 10
The full enterprise standing →What the models said about RingCentral
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“If you're an SMB without a dedicated IT team, this is a trap.” DeepSeek V4 Flash · negative prompt · hard negative
“Solid features but low Trustpilot scores (~2.2/5 from 1,800+ reviews) due to rigid contracts, billing disputes, slow support, and outages.” Grok 4.1 Fast · negative prompt · soft negative
“often cited as RingCentral, Nextiva, 8x8, and Vonage) are notorious for aggressive and highly restrictive sales contracts” Gemini 3.5 Flash · negative prompt · soft negative
“Best for most mid-market organizations, combining business phone service, video conferencing, team messaging, SMS, fax, and contact center capabilities” Claude Haiku 4.5 · direct prompt · first choice
“Best Overall for Deep Integrations & Customization ... request a demo from RingCentral (for its sheer capability and CRM depth)” Gemini 3.5 Flash · direct prompt · first choice
“Most balanced choice: RingCentral — it offers the deepest telephony features without forcing you into a specific ecosystem” Kimi K2 · paraphrase prompt · first choice
What the models said about Microsoft Teams Phone
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.
“Limitation: Poor fax capabilities—avoid if you need to send/receive faxes” Kimi K2 · negative prompt · hard negative
“The configuration complexity of platforms like Microsoft Teams Phone or RingCentral can be significant overhead for a 15-person professional services firm” Claude Haiku 4.5 · negative prompt · soft negative
“The Best All-Around Choice: Microsoft Teams ... Teams is almost invariably the correct choice.” Qwen 3.7 Flash · paraphrase prompt · first choice
“The default choice if you are deeply embedded in the Microsoft 365 ecosystem.” Gemini 3.5 Flash · scale prompt · first choice
“if your company is already committed to the Microsoft ecosystem, Microsoft Teams is a natural fit and more cost-effective” Claude Haiku 4.5 · paraphrase prompt · alternative
Also compared
RingCentral vs Google VoiceRingCentral vs NextivaRingCentral vs RingCentral RingEXRingCentral vs Zoom PhoneRingCentral vs 8x8RingCentral vs DialpadGoogle Voice vs Microsoft Teams PhoneNextiva vs Microsoft Teams PhoneRingCentral RingEX vs Microsoft Teams PhoneZoom Phone vs Microsoft Teams Phone8x8 vs Microsoft Teams PhoneMicrosoft Teams Phone vs DialpadAll twenty-eight head-to-head pages and the full business phones standing
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.