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Compare 3CX and ISL Online 
Featured Products
At a Glance
Market Segments
Mid-Market (55.5% of reviews)
Small-Business (51.1% of reviews)
Entry-Level Pricing
Free 10 Users
$16.90
3CX
Star Rating
(522)4.4 out of 5
Market Segments
Mid-Market (55.5% of reviews)
Pros & Cons
Entry-Level Pricing
Free 10 Users
Free Trial is available
Browse all 3 pricing plansISL Online
Star Rating
(544)4.6 out of 5
Market Segments
Small-Business (51.1% of reviews)
Pros & Cons
Entry-Level Pricing
$16.90
Free Trial is available
Browse all 5 pricing plans3CX vs ISL Online
When assessing the two solutions, reviewers found ISL Online easier to use and set up. Reviewers also felt that ISL Online was easier to do business with overall. However, reviewers felt that administration of both products was equally easy.
- 3CX and ISL Online both meet the requirements of our reviewers at a comparable rate.
- When comparing quality of ongoing product support, reviewers felt that ISL Online is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of ISL Online over 3CX.
Pricing
Entry-Level Pricing
3CX
3CX SMB
Free
10 Users
Free for up to 10 users.
- Next-gen phone system
- Bring your own SIP Trunk
- WFH: remote-enable teams
ISL Online
Starter
$16.90
- 1 Licensed User
- 10 Managed Devices
- Mobile Device Support
Free Trial
3CX
Free Trial is available
ISL Online
Free Trial is available
Ratings
Meets Requirements
8.9
349
8.9
457
Ease of Use
9.0
356
9.3
490
Ease of Setup
8.8
237
9.1
428
Ease of Admin
9.0
222
9.0
376
Quality of Support
7.9
317
9.1
422
Has the product been a good partner in doing business?
8.6
211
9.0
359
Product Direction (% positive)
8.5
351
9.3
457
Features by Category
Channels
9.3
127
|
Verified
Not enough data
Feature Not Available
Not enough data
8.6
94
|
Verified
Not enough data
7.3
68
Not enough data
Feature Not Available
Not enough data
Generative AI
6.9
24
Not enough data
Functions
8.9
180
|
Verified
Not enough data
8.9
185
|
Verified
Not enough data
8.9
182
|
Verified
Not enough data
Feature Not Available
Not enough data
8.2
94
Not enough data
9.1
118
Not enough data
8.8
99
Not enough data
8.4
96
|
Verified
Not enough data
Agentic AI - Contact Center
6.4
14
Not enough data
6.8
14
Not enough data
7.1
13
Not enough data
7.2
13
Not enough data
Administrative
8.2
150
|
Verified
Not enough data
9.0
179
|
Verified
Not enough data
8.5
184
|
Verified
Not enough data
9.0
115
Not enough data
8.3
104
|
Verified
Not enough data
Collaboration Tools
8.8
69
|
Verified
Not enough data
9.1
38
|
Verified
Not enough data
9.0
34
Not enough data
9.2
39
|
Verified
Not enough data
8.6
35
|
Verified
Not enough data
Meeting Coordination
8.4
72
|
Verified
Not enough data
9.1
68
|
Verified
Not enough data
9.2
70
|
Verified
Not enough data
8.9
42
|
Verified
Not enough data
Software Type
9.0
83
|
Verified
Not enough data
9.3
46
|
Verified
Not enough data
9.2
43
|
Verified
Not enough data
Agentic AI - Video Conferencing
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Administration
Not enough data
9.0
339
Not enough data
8.6
338
Not enough data
8.3
315
Not enough data
8.8
337
Not enough data
8.7
317
Not enough data
8.8
329
Maintenance
Not enough data
8.8
326
Not enough data
7.8
288
Communication
Not enough data
7.7
313
Not enough data
6.9
276
Not enough data
6.9
271
Not enough data
7.8
290
Security
Not enough data
8.2
291
Not enough data
8.4
295
Device Support
Not enough data
7.7
301
Not enough data
8.3
313
Not enough data
8.3
310
Performance
Not enough data
8.0
292
Platform
7.7
41
Not enough data
8.9
49
Not enough data
9.1
47
Not enough data
8.9
50
Not enough data
9.0
48
Not enough data
9.2
43
Not enough data
9.1
47
Not enough data
Generative AI
7.0
15
Not enough data
Workforce Management
9.2
49
Not enough data
8.7
48
Not enough data
Call Center Infrastructure (CCI)
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Administrative
9.1
50
Not enough data
8.6
49
Not enough data
Generative AI
6.7
11
Not enough data
7.5
10
Not enough data
7.7
10
Not enough data
Communication
9.3
38
Not enough data
9.3
39
Not enough data
Feature Not Available
Not enough data
9.3
38
Not enough data
Feature Not Available
Not enough data
Internal Use
8.9
44
Not enough data
8.9
38
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
8.9
37
Not enough data
9.0
35
Not enough data
Basic Communication - Cloud PBX
9.7
24
Not enough data
8.9
22
Not enough data
9.7
22
Not enough data
8.4
23
Not enough data
9.6
23
Not enough data
9.8
23
Not enough data
Advanced Features - Cloud PBX
8.6
21
Not enough data
7.7
22
Not enough data
8.0
22
Not enough data
7.1
22
Not enough data
Platform Basics - VoIP Providers
9.4
20
Not enough data
9.6
20
Not enough data
8.5
20
Not enough data
9.1
20
Not enough data
9.2
20
Not enough data
9.3
20
Not enough data
Basic Communication
9.5
191
|
Verified
Not enough data
8.4
133
|
Verified
Not enough data
8.3
133
|
Verified
Not enough data
8.2
118
|
Verified
Not enough data
8.8
173
|
Verified
Not enough data
9.5
185
|
Verified
Not enough data
Agentic AI - VoIP Providers
6.5
10
Not enough data
8.0
9
Not enough data
7.2
9
Not enough data
7.2
9
Not enough data
Access
8.5
118
|
Verified
Not enough data
8.5
155
|
Verified
Not enough data
8.4
165
|
Verified
Not enough data
Advanced Features
8.5
172
|
Verified
Not enough data
9.0
162
|
Verified
Not enough data
Feature Not Available
Not enough data
Agentic AI - UCaaS Platforms
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Extensions
Feature Not Available
Not enough data
9.7
24
|
Verified
Not enough data
9.1
23
|
Verified
Not enough data
Features
9.5
24
|
Verified
Not enough data
Feature Not Available
Not enough data
8.8
19
|
Verified
Not enough data
9.4
28
|
Verified
Not enough data
8.6
27
|
Verified
Not enough data
Feature Not Available
Not enough data
Administration
Not enough data
8.7
247
Not enough data
8.2
228
Not enough data
8.1
232
Not enough data
8.3
229
Not enough data
8.6
231
Not enough data
8.7
261
Not enough data
8.6
254
Platform
Not enough data
8.5
245
Not enough data
7.9
239
Not enough data
8.1
228
Not enough data
9.1
254
Security
Not enough data
7.7
201
Not enough data
8.2
221
Not enough data
8.2
216
Categories
Categories
Shared Categories
3CX and ISL Online share no categories
Unique Categories
3CX is categorized as UCaaS Platforms, Live Chat, VoIP Providers, Contact Center, Video Conferencing, Call Center Infrastructure (CCI), and Cloud PBX Platforms
ISL Online is categorized as Remote Support and Remote Desktop
Reviews
Reviewers' Company Size
3CX
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
ISL Online
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Information Technology and Services
10.0%
Hospital & Health Care
5.6%
Telecommunications
5.1%
Education Management
4.9%
Construction
4.6%
Other
69.7%
Information Technology and Services
16.5%
Computer & Network Security
14.3%
Consulting
9.9%
Computer Software
8.4%
Computer Networking
3.6%
Other
47.3%
Alternatives
Discussions
Getting STUN setup for remote employees has been a challenge during this COVID-19 pandemic.
2 Comments
NA
Hello Tim,
Thank you for your question. As this is a technical issue, I would advise you to open a support ticket with our team, which is available for...Read more
How do I integrate 3CX to my CRM
2 Comments
TC
I suggest you dig into the 3cx support documents. There are a number of different CRM platforms which have easy integration with 3cx. I know I have one...Read more
Is it possible to integrate more software with this (API)?
1 Comment
NA
Thank you for your comment regarding the integration capabilities of 3CX. We are continuously adding more features & functionality to enhance our product and...Read more
How do you use file sharing in a normal support session?
2 Comments
LL
When sharing files, you should first of all think about the security of the data contained in these files. Therefore, I want to share with you the article...Read more
How many remote users can I support with one license?
2 Comments
LR
depend on how many concurrent license you have; if you have only one you have to clone one assistence to support a new caseRead more
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