Compare Asterisk and Twilio Flex 
Featured Products
At a Glance
Market Segments
Mid-Market (50.0% of reviews)
Mid-Market (37.0% of reviews)
Entry-Level Pricing
$0.02 per minute
No pricing available
Asterisk
Star Rating
(59)4.6 out of 5
Market Segments
Mid-Market (50.0% of reviews)
Pros & Cons
Entry-Level Pricing
$0.02 per minute
Browse all 2 pricing plansTwilio Flex
Star Rating
(35)4.1 out of 5
Market Segments
Mid-Market (37.0% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about Twilio FlexAsterisk vs Twilio Flex
When assessing the two solutions, reviewers found Twilio Flex easier to use. However, reviewers preferred the ease of set up for Asterisk along with administration. Reviewers agreed that both vendors make it equally easy to do business overall.
- Reviewers felt that Asterisk meets the needs of their business better than Twilio Flex.
- When comparing quality of ongoing product support, reviewers felt that Asterisk is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of Asterisk over Twilio Flex.
Pricing
Entry-Level Pricing
Asterisk
Metered SIP Trunking
$0.02
per minute
Works well for businesses that may need more flexibility in their communications week to week.
- No set-up fees.
- Metered inbound and outbound local and long distance.
- Allows more dynamic call volume activity.
Twilio Flex
No pricing availableFree Trial
Asterisk
Free Trial is available
Twilio Flex
No trial information availableRatings
Meets Requirements
9.0
45
8.2
26
Ease of Use
7.8
47
8.2
26
Ease of Setup
7.5
37
7.3
10
Ease of Admin
7.9
34
7.6
9
Quality of Support
8.3
38
8.2
24
Has the product been a good partner in doing business?
8.3
27
8.3
8
Product Direction (% positive)
7.9
45
6.7
25
Features by Category
Channels
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
8.1
6
|
Verified
Not enough data
Not enough data
Not enough data
8.0
5
|
Verified
Generative AI
Not enough data
Not enough data
Functions
Not enough data
8.3
16
|
Verified
Not enough data
8.2
17
|
Verified
Not enough data
8.6
14
|
Verified
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
7.3
5
Not enough data
Not enough data
Agentic AI - Contact Center
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
Not enough data
8.2
15
|
Verified
Not enough data
8.8
12
|
Verified
Not enough data
8.1
16
|
Verified
Not enough data
Not enough data
Not enough data
6.0
5
|
Verified
Platform
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Generative AI
Not enough data
Not enough data
Workforce Management
Not enough data
Not enough data
Not enough data
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
Not enough data
Not enough data
Not enough data
Not enough data
Platform Basics - VoIP Providers
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Basic Communication
9.5
39
|
Verified
Not enough data
8.1
24
Not enough data
8.4
23
|
Verified
Not enough data
7.9
21
Not enough data
9.2
34
|
Verified
Not enough data
9.0
36
|
Verified
Not enough data
Agentic AI - VoIP Providers
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Access
7.9
25
Not enough data
7.9
23
|
Verified
Not enough data
7.9
24
Not enough data
Advanced Features
9.1
35
|
Verified
Not enough data
9.0
32
|
Verified
Not enough data
9.0
33
|
Verified
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
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Features
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Categories
Categories
Shared Categories
Asterisk and Twilio Flex are categorized as VoIP Providers and UCaaS Platforms
Unique Categories
Asterisk has no unique categories
Twilio Flex is categorized as Call Center Infrastructure (CCI) and Contact Center
Reviews
Reviewers' Company Size
Asterisk
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Twilio Flex
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
Telecommunications
28.8%
Information Technology and Services
21.2%
Banking
5.8%
Computer Software
5.8%
Accounting
3.8%
Other
34.6%
Insurance
18.5%
Information Technology and Services
18.5%
Transportation/Trucking/Railroad
7.4%
Consumer Services
7.4%
Computer Software
7.4%
Other
40.7%
Alternatives
Discussions
Asterisk has no discussions with answers
Twilio Flex has no discussions with answers
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