2026 Best Software Awards are here!See the list
Compare Avaya Unified Communications and Zadarma Cloud PBX 
Featured Products
At a Glance
Market Segments
Enterprise (60.5% of reviews)
Small-Business (94.7% of reviews)
Entry-Level Pricing
No pricing available
$79.00 Per Month
Avaya Unified Communications
Star Rating
(42)4.2 out of 5
Market Segments
Enterprise (60.5% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about Avaya Unified CommunicationsZadarma Cloud PBX
Star Rating
(19)4.3 out of 5
Market Segments
Small-Business (94.7% of reviews)
Pros & Cons
Entry-Level Pricing
$79.00 Per Month
Browse all 4 pricing plansAvaya Unified Communications vs Zadarma Cloud PBX
- Reviewers felt that Avaya Unified Communications meets the needs of their business better than Zadarma Cloud PBX.
- When comparing quality of ongoing product support, reviewers felt that Avaya Unified Communications is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of Zadarma Cloud PBX over Avaya Unified Communications.
Pricing
Entry-Level Pricing
Avaya Unified Communications
No pricing availableZadarma Cloud PBX
Corporation - US/Canada
$79.00
Per Month
Per 20 users.
- Unlimited calls to the USA and Canada
- 8 virtual phone numbers, including two toll-free numbers
- Cloud storage
Free Trial
Avaya Unified Communications
Free Trial is available
Zadarma Cloud PBX
Free Trial is available
Ratings
Meets Requirements
9.1
30
7.6
15
Ease of Use
8.7
30
8.6
15
Ease of Setup
7.8
12
8.3
13
Ease of Admin
9.1
11
Not enough data
Quality of Support
8.4
29
6.9
15
Has the product been a good partner in doing business?
8.9
12
Not enough data
Product Direction (% positive)
6.9
30
7.7
15
Features by Category
Collaboration Tools
8.9
9
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
Meeting Coordination
8.0
10
Not enough data
9.0
10
Not enough data
8.8
10
Not enough data
Not enough data
Not enough data
Software Type
8.5
9
Not enough data
Not enough data
Not enough data
Not enough data
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
Basic Communication - Cloud PBX
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
Advanced Features - Cloud PBX
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Platform Basics - VoIP Providers
Not enough data
10.0
8
Not enough data
9.5
7
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
Not enough data
8.1
9
Not enough data
4.3
5
Not enough data
6.4
6
Not enough data
5.0
5
Not enough data
5.6
6
Not enough data
6.2
7
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
Not enough data
6.1
6
Not enough data
6.4
6
Not enough data
6.0
5
Advanced Features
Not enough data
7.4
7
Not enough data
7.6
9
Not enough data
8.1
8
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
9.3
5
Not enough data
9.0
7
|
Verified
Not enough data
8.7
5
|
Verified
Not enough data
Features
Feature Not Available
Not enough data
Feature Not Available
Not enough data
9.3
5
|
Verified
Not enough data
9.7
6
|
Verified
Not enough data
9.7
6
|
Verified
Not enough data
9.7
5
Not enough data
Categories
Categories
Shared Categories
Avaya Unified Communications and Zadarma Cloud PBX are categorized as VoIP Providers and Cloud PBX Platforms
Unique Categories
Avaya Unified Communications is categorized as Video Conferencing and UCaaS Platforms
Zadarma Cloud PBX has no unique categories
Reviews
Reviewers' Company Size
Avaya Unified Communications
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Zadarma Cloud PBX
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
Insurance
10.5%
Computer Software
10.5%
Information Technology and Services
7.9%
Utilities
5.3%
Marketing and Advertising
5.3%
Other
60.5%
Information Technology and Services
31.6%
Computer Software
15.8%
Manufacturing
5.3%
Writing and Editing
5.3%
Venture Capital & Private Equity
5.3%
Other
36.8%
Discussions
Avaya Unified Communications has no discussions with answers
What is PBX Zadarma?
1 Comment
Official Response from Zadarma Cloud PBX
Zadarma's cloud PBX - centralised communication solution for your business.
Virtual Zadarma PBX will help your business stay in touch 24/7. Regardless of...Read more
What are some features of a PBX?
1 Comment
Official Response from Zadarma Cloud PBX
I can explain the PBX common features on Zadarma PBX example. Zadarma PBX offers:
1. Call recording and call transfer with call performance statistics. 2....Read more
Zadarma Cloud PBX has no more discussions with answers
Hunting for software insights?
With over 3 million reviews, we can provide the specific details that help you make an informed software buying decision for your business. Finding the right product is important, let us help.
