Compare · business telephony

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
266companies name Avaya
172companies name Microsoft Teams Phone
33name both
790 · 350postings in 90 days, Avaya · Microsoft Teams Phone
02 — Side by side

Who chooses which

Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.

By company size
SegmentAvayashareMicrosoft Teams PhoneshareLeans
Self-employed52%21%even
2-10 employees62%85%Microsoft Teams Phone
11-50 employees228%127%even
51-200 employees3614%2716%Microsoft Teams Phone
201-500 employees2911%2816%Microsoft Teams Phone
501-1000 employees249%138%even
1001-5000 employees6123%3420%Avaya
5001-10000 employees176%127%even
10,001+ employees6625%3621%Avaya
By industry
SegmentAvayashareMicrosoft Teams PhoneshareLeans
Technology & software9937%4426%Avaya
Business & finance services5822%4928%Microsoft Teams Phone
Health care249%42%Avaya
Manufacturing & industry187%2313%Microsoft Teams Phone
Utilities & infrastructure187%127%even
Consumer services & leisure135%116%even
Public, community & associations62%95%Microsoft Teams Phone
Hospitality & travel62%––outside top 12
Property & construction62%63%even
Transport, logistics & rental62%21%even
Commerce & trade52%74%Microsoft Teams Phone
Media & content42%32%even
Automotive––11%outside top 12
By country
SegmentAvayashareMicrosoft Teams PhoneshareLeans
United States16562%10058%Avaya
United Kingdom187%2112%Microsoft Teams Phone
Canada125%127%Microsoft Teams Phone
France93%42%even
Germany73%53%even
United Arab Emirates52%––outside top 12
India52%––outside top 12
Brazil31%21%even
Spain31%––outside top 12
Mexico31%––outside top 12
Singapore31%––outside top 12
Australia21%42%even
Austria––21%outside top 12
Italy––21%outside top 12
Netherlands––21%outside top 12
Sweden––21%outside top 12
Belgium––11%outside top 12
Postings by team (share of each tool's postings)
SegmentAvayashareMicrosoft Teams PhoneshareLeans
IT operations & business systems33629%22054%Microsoft Teams Phone
Product, program & project management968%41%Avaya
Customer service & success908%123%Avaya
Software engineering867%72%Avaya
Sales746%113%Avaya
Administration & office363%51%even
skilled trades and field service363%10%Avaya
Engineering (non-software)202%133%even
Data & AI161%––outside top 12
Finance & accounting71%––outside top 12
Business development & strategy50%10%even
Quality, safety & environment50%––outside top 12
healthcare clinical40%––outside top 12
Unclassified40%––outside top 12
General management & consulting30%10%even
public safety and protective services30%––outside top 12
Education & training20%––outside top 12
hospitality and food service20%––outside top 12
Marketing & communications20%––outside top 12
arts media and entertainment10%––outside top 12
construction and civil10%20%even
healthcare support and caregiving10%––outside top 12
Human resources10%––outside top 12
Legal, compliance & risk10%––outside top 12
procurement and purchasing––61%outside top 12
facilities cleaning and security––20%outside top 12
social care and community––10%outside top 12
Cite this

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)
How we know

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.
FAQ

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.

Companies and people

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