Avaya VS Microsoft Teams Phone_
As of 4 November 2026, Microsoft Teams Phone is named by 172 companies and Avaya by 266; Avaya skews to companies under 200 people (24% vs 27%), Microsoft Teams Phone to companies over 1,000 (48% vs 54%).
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Avaya's script and mail records show on hundreds of thousands of small sites, Microsoft Teams Phone rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Avaya: 2–200 employees
- 24%
- Microsoft Teams Phone: 2–200 employees
- 27%
- Avaya: 1,000+ employees
- 54%
- Microsoft Teams Phone: 1,000+ employees
- 48%
- Postings per company, 90 days
- 3.0 · 2.0
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Avaya | share | Microsoft Teams Phone | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 5 | 2% | 2 | 1% | even |
| 2-10 employees | 6 | 2% | 8 | 5% | Microsoft Teams Phone |
| 11-50 employees | 22 | 8% | 12 | 7% | even |
| 51-200 employees | 36 | 14% | 27 | 16% | Microsoft Teams Phone |
| 201-500 employees | 29 | 11% | 28 | 16% | Microsoft Teams Phone |
| 501-1000 employees | 24 | 9% | 13 | 8% | even |
| 1001-5000 employees | 61 | 23% | 34 | 20% | Avaya |
| 5001-10000 employees | 17 | 6% | 12 | 7% | even |
| 10,001+ employees | 66 | 25% | 36 | 21% | Avaya |
| Segment | Avaya | share | Microsoft Teams Phone | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 99 | 37% | 44 | 26% | Avaya |
| Business & finance services | 58 | 22% | 49 | 28% | Microsoft Teams Phone |
| Health care | 24 | 9% | 4 | 2% | Avaya |
| Manufacturing & industry | 18 | 7% | 23 | 13% | Microsoft Teams Phone |
| Utilities & infrastructure | 18 | 7% | 12 | 7% | even |
| Consumer services & leisure | 13 | 5% | 11 | 6% | even |
| Public, community & associations | 6 | 2% | 9 | 5% | Microsoft Teams Phone |
| Hospitality & travel | 6 | 2% | – | – | outside top 12 |
| Property & construction | 6 | 2% | 6 | 3% | even |
| Transport, logistics & rental | 6 | 2% | 2 | 1% | even |
| Commerce & trade | 5 | 2% | 7 | 4% | Microsoft Teams Phone |
| Media & content | 4 | 2% | 3 | 2% | even |
| Automotive | – | – | 1 | 1% | outside top 12 |
| Segment | Avaya | share | Microsoft Teams Phone | share | Leans |
|---|---|---|---|---|---|
| United States | 165 | 62% | 100 | 58% | Avaya |
| United Kingdom | 18 | 7% | 21 | 12% | Microsoft Teams Phone |
| Canada | 12 | 5% | 12 | 7% | Microsoft Teams Phone |
| France | 9 | 3% | 4 | 2% | even |
| Germany | 7 | 3% | 5 | 3% | even |
| United Arab Emirates | 5 | 2% | – | – | outside top 12 |
| India | 5 | 2% | – | – | outside top 12 |
| Brazil | 3 | 1% | 2 | 1% | even |
| Spain | 3 | 1% | – | – | outside top 12 |
| Mexico | 3 | 1% | – | – | outside top 12 |
| Singapore | 3 | 1% | – | – | outside top 12 |
| Australia | 2 | 1% | 4 | 2% | even |
| Austria | – | – | 2 | 1% | outside top 12 |
| Italy | – | – | 2 | 1% | outside top 12 |
| Netherlands | – | – | 2 | 1% | outside top 12 |
| Sweden | – | – | 2 | 1% | outside top 12 |
| Belgium | – | – | 1 | 1% | outside top 12 |
| Segment | Avaya | share | Microsoft Teams Phone | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 336 | 29% | 220 | 54% | Microsoft Teams Phone |
| Product, program & project management | 96 | 8% | 4 | 1% | Avaya |
| Customer service & success | 90 | 8% | 12 | 3% | Avaya |
| Software engineering | 86 | 7% | 7 | 2% | Avaya |
| Sales | 74 | 6% | 11 | 3% | Avaya |
| Administration & office | 36 | 3% | 5 | 1% | even |
| skilled trades and field service | 36 | 3% | 1 | 0% | Avaya |
| Engineering (non-software) | 20 | 2% | 13 | 3% | even |
| Data & AI | 16 | 1% | – | – | outside top 12 |
| Finance & accounting | 7 | 1% | – | – | outside top 12 |
| Business development & strategy | 5 | 0% | 1 | 0% | even |
| Quality, safety & environment | 5 | 0% | – | – | outside top 12 |
| healthcare clinical | 4 | 0% | – | – | outside top 12 |
| Unclassified | 4 | 0% | – | – | outside top 12 |
| General management & consulting | 3 | 0% | 1 | 0% | even |
| public safety and protective services | 3 | 0% | – | – | outside top 12 |
| Education & training | 2 | 0% | – | – | outside top 12 |
| hospitality and food service | 2 | 0% | – | – | outside top 12 |
| Marketing & communications | 2 | 0% | – | – | outside top 12 |
| arts media and entertainment | 1 | 0% | – | – | outside top 12 |
| construction and civil | 1 | 0% | 2 | 0% | even |
| healthcare support and caregiving | 1 | 0% | – | – | outside top 12 |
| Human resources | 1 | 0% | – | – | outside top 12 |
| Legal, compliance & risk | 1 | 0% | – | – | outside top 12 |
| procurement and purchasing | – | – | 6 | 1% | outside top 12 |
| facilities cleaning and security | – | – | 2 | 0% | outside top 12 |
| social care and community | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Avaya →
Companies using Microsoft Teams Phone →
business telephony ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Microsoft Teams Phone is named by 172 companies in job postings and Avaya by 266; 33 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/avaya-vs-microsoft-teams-phone)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Avaya vs Microsoft Teams Phone: questions
Which is more used, Avaya or Microsoft Teams Phone?
By companies naming it in their own job postings, Avaya (266) over Microsoft Teams Phone (172). By website-and-DNS footprint, Microsoft Teams Phone (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Avaya?
24% of Avaya companies have 2 to 200 employees, against 27% for Microsoft Teams Phone. 54% of Avaya companies have over 1,000 employees, against 48% for Microsoft Teams Phone.
Do companies run both?
33 companies name both in their postings, usually Avaya in marketing and Microsoft Teams Phone in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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