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Business phone systems · November 2026 Edition

RingCentral RingEX vs Microsoft Teams Phone

Twelve of fourteen models named RingCentral RingEX first on the direct prompt; zero named Microsoft Teams Phone. RingCentral RingEX was named by fourteen of the fourteen models and Microsoft Teams Phone by eleven and RingCentral RingEX carries 59 labels and Microsoft Teams Phone 21, so the shares are not directly comparable.

RingCentral RingEX

endorsed leader

Named in one category this edition.

Microsoft Teams Phone

accepted challenger

Named in one category this edition.

First-choice share47%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate8%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#6A position in a field of 10; printed, not drawn.
Labels5921A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, RingCentral RingEX reading right to left. Rank and label count are printed, not drawn.Zoom Phone was named alongside these two in twelve of the fourteen direct answers. RingCentral RingEX vs Zoom Phone · RingCentral RingEX vs Nextiva · RingCentral RingEX vs Google Voice

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.
RingCentral RingEXFirst choices, of fourteen modelsMicrosoft Teams Phone
Direct120
Paraphrase131
Comparative50
Budget-constrained00
Scale-constrained20
Negative105 against RingCentral RingEX
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 November 2026 Edition, RingCentral RingEX and Microsoft Teams Phone were named in the same answer eighty-three times, of the 187 answers naming RingCentral RingEX and the 92 naming Microsoft Teams Phone. In those answers Microsoft Teams Phone took the first choice ten times and RingCentral RingEX forty-eight.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where RingCentral RingEX and Microsoft Teams Phone stood in it.
ModelDirectMTParaphraseMTComparativeMTBudget-constrainedMTScale-constrainedMTNegativeMT
Claude Haiku 4.5
GPT-5.4 miniMT
Gemini 3.5 FlashMTMTMT
Perplexity SonarMT
Grok 4.20MTMTMT
Mistral Small
DeepSeek V4 FlashMT
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2MTMT
GLM 4.7 FlashXMT
MiniMax M2.5
GPT-6 LunaMT
Muse Glimmer 30BMTMT
RingCentral RingEXMT Microsoft Teams Phone first choice named as an alternative argued againstblank: not namedEach cell is one answer, RingCentral RingEX on the left and Microsoft Teams Phone on the right.

The direct prompt

The plain question, one answer per model, grouped by where RingCentral RingEX and Microsoft Teams Phone stood in it.

RingCentral RingEX first, Microsoft Teams Phone an alternative

12 of 14 modelsMicrosoft Teams Phone was named in the answer but not as the choice, or not at all.
Claude Haiku 4.5RingCentral RingEX alternatives: 8x8, Nextiva, Zoom Phone
GPT-5.4 miniRingCentral RingEX alternatives: 8x8 Work, GoTo Connect, Nextiva, Zoom Phone
Perplexity SonarRingCentral RingEX alternatives: 8×8, Dialpad, JustCall, Nextiva, Zoom Phone
Grok 4.20RingCentral RingEX alternatives: 8x8, Dialpad, Nextiva, Zoom Phone
Mistral SmallRingCentral RingEX, Zoom Phone alternatives: 8×8 Work, GoTo Connect, Nextiva Engage
DeepSeek V4 FlashNextiva, RingCentral RingEX alternatives: 8x8, Aircall, Dialpad, Zoom Phone
Llama 4 MaverickRingCentral RingEX alternatives: 8×8, Aircall, Dialpad, GoTo Connect, Nextiva, Ooma Office, Vonage, Zoom Phone
Qwen 3.7 FlashRingCentral RingEX alternatives: 8×8, Dialpad, Nextiva, Zoom Phone
Kimi K2Nextiva, RingCentral RingEX alternatives: 8×8, Zoom Phone
GLM 4.7 FlashXRingCentral RingEX alternatives: 8×8 Work, Nextiva
GPT-6 LunaRingCentral RingEX alternatives: 8x8, Dialpad, Teams Phone, Zoom Phone
Muse Glimmer 30BRingCentral RingEX alternatives: Microsoft Teams Phone, Nextiva, Zoom Phone

Neither was the first choice, one was named

2 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Gemini 3.5 FlashRingCentral MVP alternatives: 8x8, Dialpad, Microsoft Teams Phone, Nextiva, Zoom Phone
MiniMax M2.5Nextiva alternatives: 8x8, Intermedia Unite, RingCentral RingEX

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 RingEX leads by twenty points.
RingCentral RingEX20%#3 of 11
Microsoft Teams Phone0%#9 of 11
The full small business standing →
Mid-marketThe figures above
RingCentral RingEX leads by forty-six points.
RingCentral RingEX47%#1 of 10
Microsoft Teams Phone2%#6 of 10
The full mid-market standing →
Enterprise
RingCentral RingEX leads by thirty-five points.
RingCentral RingEX57%#1 of 11
Microsoft Teams Phone22%#2 of 11
The full enterprise standing →

What the models said about RingCentral RingEX

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Frequently rated poorly (e.g., 1.7/5 on Trustpilot). Major complaints include unhelpful/slow support, unexpected contract auto-renewals” Grok 4.20 · negative prompt · hard negative
“One of the most frequently complained-about providers with a poor 2.2/5 rating on Trustpilot” DeepSeek V4 Flash · negative prompt · hard negative
“Often criticized for poor customer support and long hold times” MiniMax M2.5 · negative prompt · hard negative
“RingCentral Advanced and Zoom Phone are the top choices due to their scalability, integrations, and reliability” Mistral Small · direct prompt · first choice
“Comprehensive feature set, industry-leading integrations, strong global footprint, excellent for hybrid UCaaS + CCaaS.” Gemini 3.5 Flash · scale prompt · first choice
“Best Overall Reliability & Call Volume: RingCentral ... widely considered the gold standard for pure-play cloud voice” Qwen 3.7 Flash · 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. Three of four in this category shown.

“My default pick: Microsoft Teams Phone” GPT-5.4 mini · paraphrase prompt · first choice
“If you're already deep in the Microsoft ecosystem — Teams Phone will likely be your most cost-effective option” DeepSeek V4 Flash · paraphrase prompt · alternative
“Consider Teams Phone if staff already work in Teams and you're comfortable arranging PSTN calling separately.” GPT-6 Luna · comparative prompt · alternative
Also compared

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.