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Business phone systems · October 2026 Edition

RingCentral RingEX vs Microsoft Teams Phone

Four of fourteen models named RingCentral RingEX first on the direct prompt; zero named Microsoft Teams Phone. RingCentral RingEX was named by six of the fourteen models and Microsoft Teams Phone by thirteen and RingCentral RingEX carries 10 labels and Microsoft Teams Phone 21, so the shares are not directly comparable.

RingCentral RingEX

accepted challenger

Named in one category this edition.

Microsoft Teams Phone

accepted challenger

Named in one category this edition.

First-choice share12%3%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%10%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#7A position in a field of 12; printed, not drawn.
Labels1021A 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.Nextiva was named alongside these two in thirteen of the fourteen direct answers. RingCentral vs RingCentral RingEX · RingCentral vs Microsoft Teams Phone · Google Voice 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.
RingCentral RingEXFirst choices, of fourteen modelsMicrosoft Teams Phone
Direct40
Paraphrase31
Comparative20
Budget-constrained00
Scale-constrained01
Negative002 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 RingEX and Microsoft Teams Phone were named in the same answer thirteen times, of the 29 answers naming RingCentral RingEX and the 89 naming Microsoft Teams Phone. In those answers Microsoft Teams Phone took the first choice four times and RingCentral RingEX six.

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 4.5MTMT
GPT-5.4 miniMT
Gemini 3.5 FlashMTMTMT
Perplexity Sonar
Grok 4.1 FastMT
Mistral Small
DeepSeek V4 FlashMT
Llama 4 Maverick
Qwen 3.7 FlashMTMTMT
Kimi K2MTMT
GLM 4.7 FlashXMTMT
MiniMax M2.5
GPT-6 LunaMT
Muse Glimmer 30BMT
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 not the choice

4 of 14 modelsMicrosoft Teams Phone was named in the answer but not as the choice, or not at all.
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

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 FlashDialpad, RingCentral alternatives: Aircall, Microsoft Teams Phone, Nextiva
Qwen 3.7 FlashRingCentral alternatives: Microsoft Teams Phone, Nextiva, Zoom Phone

Neither was named

8 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5RingCentral alternatives: 8x8, Dialpad, Nextiva
GPT-5.4 miniRingCentral, Zoom Phone alternatives: Dialpad, Nextiva, Webex Calling
Perplexity SonarRingCentral alternatives: 8x8, Dialpad, JustCall, Nextiva
Grok 4.1 FastNextiva alternatives: 8x8, Ooma Office, RingCentral, Zoom Phone
Mistral SmallRingCentral alternatives: 8x8, Intermedia, Nextiva, Zoom Phone
DeepSeek V4 FlashRingCentral alternatives: 8x8, Aircall, Dialpad, Nextiva
Llama 4 MaverickNextiva alternatives: JustCall, Vonage, Zoom Phone
Muse Glimmer 30BNextiva, RingCentral alternatives: 8x8, Dialpad, 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 RingEX leads by five points.
RingCentral RingEX5%#– of 11
Microsoft Teams Phone0%#8 of 11
The full small business standing →
Mid-marketThe figures above
RingCentral RingEX leads by eight points.
RingCentral RingEX12%#4 of 12
Microsoft Teams Phone3%#7 of 12
The full mid-market standing →
Enterprise
The order flips: Microsoft Teams Phone leads at enterprise.
Microsoft Teams Phone31%#2 of 10
RingCentral RingEX5%#– of 10
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. Three of four in this category shown.

“A versatile all-around option... Want the most broadly featured standalone system? Compare RingCentral and Nextiva.” GPT-6 Luna · comparative prompt · first choice
“For a mid-sized B2B company, RingCentral RingEX is the strongest overall recommendation.” DeepSeek V4 Flash · paraphrase prompt · first choice
“### 1. RingCentral RingEX - Best for: Enterprise teams needing deep CRM integrations” Kimi K2 · comparative 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

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.