Compare · business telephony

Avaya VS Cisco Unified Communications Manager_

As of 4 November 2026, Cisco Unified Communications Manager is named by 256 companies and Avaya by 266; Avaya skews to companies under 200 people (24% vs 29%), Cisco Unified Communications Manager to companies over 1,000 (47% 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, Cisco Unified Communications Manager rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

Avaya: 2–200 employees
24%
Cisco Unified Communications Manager: 2–200 employees
29%
Avaya: 1,000+ employees
54%
Cisco Unified Communications Manager: 1,000+ employees
47%
Postings per company, 90 days
3.0 · 2.2
Website or DNS footprint
0 · 0
266companies name Avaya
256companies name Cisco Unified Communications Manager
55name both
790 · 559postings in 90 days, Avaya · Cisco Unified Communications Manager
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
SegmentAvayashareCisco Unified Communications ManagershareLeans
Self-employed52%52%even
2-10 employees62%156%Cisco Unified Communications Manager
11-50 employees228%187%even
51-200 employees3614%4016%Cisco Unified Communications Manager
201-500 employees2911%3514%Cisco Unified Communications Manager
501-1000 employees249%239%even
1001-5000 employees6123%4518%Avaya
5001-10000 employees176%187%even
10,001+ employees6625%5722%Avaya
By industry
SegmentAvayashareCisco Unified Communications ManagershareLeans
Technology & software9937%9136%even
Business & finance services5822%5220%even
Health care249%218%even
Manufacturing & industry187%3213%Cisco Unified Communications Manager
Utilities & infrastructure187%135%even
Consumer services & leisure135%114%even
Public, community & associations62%166%Cisco Unified Communications Manager
Hospitality & travel62%––outside top 12
Property & construction62%31%even
Transport, logistics & rental62%21%even
Commerce & trade52%62%even
Media & content42%52%even
Automotive––42%outside top 12
By country
SegmentAvayashareCisco Unified Communications ManagershareLeans
United States16562%17870%Cisco Unified Communications Manager
United Kingdom187%156%even
Canada125%62%Avaya
France93%83%even
Germany73%62%even
United Arab Emirates52%10%even
India52%21%even
Brazil31%––outside top 12
Spain31%––outside top 12
Mexico31%––outside top 12
Singapore31%––outside top 12
Australia21%21%even
EG––31%outside top 12
Italy––21%outside top 12
Japan––21%outside top 12
AF––10%outside top 12
Postings by team (share of each tool's postings)
SegmentAvayashareCisco Unified Communications ManagershareLeans
IT operations & business systems33629%52163%Cisco Unified Communications Manager
Product, program & project management968%40%Avaya
Customer service & success908%202%Avaya
Software engineering867%51%Avaya
Sales746%121%Avaya
Administration & office363%10%Avaya
skilled trades and field service363%233%even
Engineering (non-software)202%213%even
Data & AI161%20%even
Finance & accounting71%––outside top 12
Business development & strategy50%––outside top 12
Quality, safety & environment50%––outside top 12
healthcare clinical40%––outside top 12
Unclassified40%20%even
General management & consulting30%30%even
public safety and protective services30%20%even
Education & training20%––outside top 12
hospitality and food service20%––outside top 12
Marketing & communications20%10%even
arts media and entertainment10%51%even
construction and civil10%––outside top 12
healthcare support and caregiving10%––outside top 12
Human resources10%––outside top 12
Legal, compliance & risk10%––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.

Cisco Unified Communications Manager is named by 256 companies in job postings and Avaya by 266; 55 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/avaya-vs-cisco-unified-communications-manager)
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 Cisco Unified Communications Manager: questions

Which is more used, Avaya or Cisco Unified Communications Manager?

By companies naming it in their own job postings, Avaya (266) over Cisco Unified Communications Manager (256). By website-and-DNS footprint, Cisco Unified Communications Manager (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 29% for Cisco Unified Communications Manager. 54% of Avaya companies have over 1,000 employees, against 47% for Cisco Unified Communications Manager.

Do companies run both?

55 companies name both in their postings, usually Avaya in marketing and Cisco Unified Communications Manager 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

Get either list your way

The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.

Every company on either tool,
with the person who owns it

Filter on Avaya or Cisco Unified Communications Manager, and get 1,000 records free.

  1. 01Sign up, no card
  2. 02Connect Claude, ChatGPT or an API key
  3. 03Ask for your market, 1,000 records free