Compare · business telephony

Asterisk VS Cisco Unified Communications Manager_

As of 4 November 2026, Cisco Unified Communications Manager is named by 256 companies and Asterisk by 137; Asterisk skews to companies under 200 people (53% vs 29%), Cisco Unified Communications Manager to companies over 1,000 (47% vs 18%).

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: Asterisk'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.

Asterisk: 2–200 employees
53%
Cisco Unified Communications Manager: 2–200 employees
29%
Asterisk: 1,000+ employees
18%
Cisco Unified Communications Manager: 1,000+ employees
47%
Postings per company, 90 days
1.5 · 2.2
Website or DNS footprint
0 · 0
137companies name Asterisk
256companies name Cisco Unified Communications Manager
10name both
203 · 559postings in 90 days, Asterisk · 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
SegmentAsteriskshareCisco Unified Communications ManagershareLeans
Self-employed32%52%even
2-10 employees1410%156%Asterisk
11-50 employees2619%187%Asterisk
51-200 employees3324%4016%Asterisk
201-500 employees2720%3514%Asterisk
501-1000 employees107%239%even
1001-5000 employees118%4518%Cisco Unified Communications Manager
5001-10000 employees54%187%Cisco Unified Communications Manager
10,001+ employees86%5722%Cisco Unified Communications Manager
By industry
SegmentAsteriskshareCisco Unified Communications ManagershareLeans
Technology & software7756%9136%Asterisk
Business & finance services1914%5220%Cisco Unified Communications Manager
Utilities & infrastructure1914%135%Asterisk
Manufacturing & industry86%3213%Cisco Unified Communications Manager
Public, community & associations32%166%Cisco Unified Communications Manager
Media & content32%52%even
Commerce & trade21%62%even
Consumer services & leisure21%114%Cisco Unified Communications Manager
Health care21%218%Cisco Unified Communications Manager
Property & construction11%31%even
Transport, logistics & rental11%21%even
Automotive––42%outside top 12
By country
SegmentAsteriskshareCisco Unified Communications ManagershareLeans
United States6850%17870%Cisco Unified Communications Manager
United Kingdom86%156%even
Canada75%62%Asterisk
India75%21%Asterisk
Germany64%62%Asterisk
France54%83%even
Italy54%21%Asterisk
Spain43%––outside top 12
Australia21%21%even
Belgium21%––outside top 12
Brazil21%––outside top 12
Switzerland21%––outside top 12
EG––31%outside top 12
Japan––21%outside top 12
United Arab Emirates––10%outside top 12
AF––10%outside top 12
Postings by team (share of each tool's postings)
SegmentAsteriskshareCisco Unified Communications ManagershareLeans
Software engineering9334%51%Asterisk
IT operations & business systems8531%52163%Cisco Unified Communications Manager
Customer service & success114%202%even
Engineering (non-software)114%213%even
Data & AI52%20%even
Sales41%121%even
skilled trades and field service41%233%even
Product, program & project management31%40%even
arts media and entertainment10%51%even
Marketing & communications10%10%even
General management & consulting––30%outside top 12
public safety and protective services––20%outside top 12
Unclassified––20%outside top 12
Administration & office––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.

Cisco Unified Communications Manager is named by 256 companies in job postings and Asterisk by 137; 10 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/asterisk-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

Asterisk vs Cisco Unified Communications Manager: questions

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

By companies naming it in their own job postings, Cisco Unified Communications Manager (256) over Asterisk (137). 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 Asterisk?

53% of Asterisk companies have 2 to 200 employees, against 29% for Cisco Unified Communications Manager. 18% of Asterisk companies have over 1,000 employees, against 47% for Cisco Unified Communications Manager.

Do companies run both?

10 companies name both in their postings, usually Asterisk 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

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