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Compare Asterisk and Cisco Unified Communications Manager (CallManager) 
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At a Glance
Market Segments
Mid-Market (49.0% of reviews)
Mid-Market (49.5% of reviews)
Entry-Level Pricing
$0.02 per minute
No pricing available
Asterisk
Star Rating
(58)4.6 out of 5
Market Segments
Mid-Market (49.0% of reviews)
Entry-Level Pricing
$0.02 per minute
Browse all 2 pricing plansCisco Unified Communications Manager (CallManager)
Star Rating
(110)4.4 out of 5
Market Segments
Mid-Market (49.5% of reviews)
Entry-Level Pricing
No pricing available
Learn more about Cisco Unified Communications Manager (CallManager)Summary
AI Generated Summary
AI-generated. Powered by real user reviews.
- Users report that Cisco Unified Communications Manager excels in phone call quality, with a score of 9.8, while Asterisk follows closely with a score of 9.4. Reviewers mention that the clarity and reliability of calls on Cisco's platform are particularly noteworthy.
- Reviewers mention that Asterisk shines in its automated attendants feature, scoring 9.1 compared to Cisco's 8.5. Users appreciate the flexibility and customization options available in Asterisk for setting up automated responses.
- G2 users highlight that Cisco Unified Communications Manager offers superior video call quality, scoring 8.6, while Asterisk scores 8.0. Users say that Cisco's video conferencing capabilities are more robust, especially in larger meetings.
- Users on G2 report that both platforms provide solid voicemail-to-email functionality, scoring 9.0 each. However, reviewers mention that Cisco's integration with other tools makes it easier to manage voicemails effectively.
- Reviewers mention that Cisco Unified Communications Manager has a more user-friendly interface, reflected in its ease of use score of 8.2 compared to Asterisk's 7.7. Users say that the intuitive design of Cisco's platform reduces the learning curve for new users.
- Users report that Asterisk offers more flexibility in terms of software pairing and customization, with a score of 7.8, while Cisco scores 8.0. Reviewers mention that Asterisk's open-source nature allows for greater adaptability to specific business needs.
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.
Cisco Unified Communications Manager (CallManager)
No pricing availableFree Trial
Asterisk
Free Trial is available
Cisco Unified Communications Manager (CallManager)
No trial information availableRatings
Meets Requirements
9.0
45
9.1
90
Ease of Use
7.7
46
8.2
91
Ease of Setup
7.5
36
6.9
51
Ease of Admin
7.9
34
8.0
53
Quality of Support
8.3
38
8.6
86
Has the product been a good partner in doing business?
8.3
27
8.8
52
Product Direction (% positive)
7.9
45
8.4
89
Features by Category
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
38
|
Verified
9.8
40
|
Verified
8.1
24
8.7
29
|
Verified
8.4
23
|
Verified
8.2
34
|
Verified
7.9
21
7.7
8
9.2
34
|
Verified
9.4
38
|
Verified
9.0
36
|
Verified
9.8
39
|
Verified
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
7.9
29
7.9
23
|
Verified
7.6
27
7.9
24
7.3
25
|
Verified
Advanced Features
9.1
35
|
Verified
9.1
33
|
Verified
9.0
32
|
Verified
8.6
35
|
Verified
9.0
33
|
Verified
9.1
9
Agentic AI - Audio Conferencing
Not enough data
Not enough data
Not enough data
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
Feature Not Available
Features
Not enough data
Not enough data
Not enough data
Feature Not Available
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 Cisco Unified Communications Manager (CallManager) are categorized as VoIP Providers and UCaaS Platforms
Unique Categories
Asterisk has no unique categories
Cisco Unified Communications Manager (CallManager) is categorized as Audio Conferencing
Reviews
Reviewers' Company Size
Asterisk
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Cisco Unified Communications Manager (CallManager)
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
29.4%
Information Technology and Services
21.6%
Computer Software
5.9%
Banking
5.9%
Facilities Services
3.9%
Other
33.3%
Higher Education
15.5%
Information Technology and Services
13.6%
Computer Software
7.8%
Telecommunications
4.9%
Insurance
4.9%
Other
53.4%
Discussions
Asterisk has no discussions with answers
Cisco Unified Communications Manager (CallManager) has no discussions with answers
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