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r/3CX↗

3CX Unofficial Community

3CX is a popular Windows or Linux VOIP based PBX (on-prem, hosted or cloud) that works with many IP phones and SIP providers. The 3CX subreddit is a volunteer run, independent, unofficial community

8.1k subscribers29 posts / mo in Sep 202628 authors / mosince 2015

r/3CX has 8.1k members (+13% over the last 12 months). It gets about 29 posts a month from 28 people. Top topics: Microsoft Teams Updates & Issues, Virtualization Homelab and Signal Messaging Apps.

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When to post on r/3CX

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Size and growth

How r/3CX has grown

r/3CX

Subscriber growth

Subscribers over time

+13%in 12 months · +1.6% in 3 months · +0.4% in 1 month
Oct 20268.1k
Growing8.1k subscribers
Data since Mar 2018Live · through Oct 2026
r/3CX

Monthly activity

Posts, comments and authors per month

−63%vs Sep 2025 · −34% last 3 months vs the 3 before
Sep 202629
QuieterPeaked at 115 in Feb 2025
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/3CX

Top topics

Share of the subreddit's posts

  1. Microsoft Teams Updates & Issues2.2%
  2. Virtualization Homelab1.9%
  3. Signal Messaging Apps1.5%
  4. Microsoft MFA & Office1.1%
  5. iOS Control Center Setup & Customization0.9%

Brands people mention

Most-mentioned brands and sites, last 12 months

Can you post

Posting rules for r/3CX

Which post types r/3CX allows, the karma and account age it asks for, required flair, and every community rule — read from Reddit.

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Timing and removals

How often posts get removed on r/3CX

The best day and hour for r/3CX, how many posts moderators remove and which kinds, the shape of its year, and weekdays against weekends.

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What to post

What works on r/3CX

Title and body length that does well on r/3CX, and its mix of text posts, links, images, galleries and video.

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Who writes here

Who posts on r/3CX

Gender and age of the people who write on r/3CX, the countries and US states they live in, their jobs, and whether a few regulars carry the conversation.

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How they talk

What people ask for on r/3CX

Requests for recommendations, help and alternatives on r/3CX, its signature words and phrases, the brands and sites people link with counts, and the tone of the comments.

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The full report

See all of r/3CX

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research