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Avaya Spaces vs Kamailio SIP Server comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Avaya Spaces
Average Rating
7.6
Reviews Sentiment
7.4
Number of Reviews
3
Ranking in other categories
Enterprise Social Software (14th)
Kamailio SIP Server
Average Rating
10.0
Number of Reviews
1
Ranking in other categories
Unified Communications (5th)
 

Mindshare comparison

Avaya Spaces and Kamailio SIP Server aren’t in the same category and serve different purposes. Avaya Spaces is designed for Enterprise Social Software and holds a mindshare of 2.2%, up 0.8% compared to last year.
Kamailio SIP Server, on the other hand, focuses on Unified Communications, holds 7.4% mindshare, down 9.4% since last year.
Enterprise Social Software Market Share Distribution
ProductMarket Share (%)
Avaya Spaces2.2%
Slack Business - Enterprise11.5%
Microsoft Teams8.8%
Other77.5%
Enterprise Social Software
Unified Communications Market Share Distribution
ProductMarket Share (%)
Kamailio SIP Server7.4%
Cisco Unified Communications9.0%
3CX Live Chat7.3%
Other76.3%
Unified Communications
 

Featured Reviews

TM
Channel Director at a comms service provider with 11-50 employees
Video meetings and presentation sharing impress but user-friendliness and pricing need attention
I don't have experience with how Avaya Spaces handles integration with other software tools, but perhaps my partners have experience regarding integration with different vendors. If Avaya can integrate Spaces with other media solutions, such as WhatsApp or WeChat, it will be more friendly and useful for customers or partners.
it_user183567 - PeerSpot reviewer
PHP Dev & Telecoms Engineer at a marketing services firm with 51-200 employees
​The server itself does load balancing however building a fail-over for it is difficult
The server itself does load balancing however the most difficult thing I found was building a fail-over for it. However, if you want to build a fail-over for it that's the tricky part since most sip traffic is routed using UDP. There are plenty of amazing TCP load balancers out there such as HAProxy but none for UDP. You need to use something like Keepalive and fail-over IP and restart the server on fail-over
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Questions from the Community

What needs improvement with Avaya Spaces?
I don't have experience with how Avaya Spaces handles integration with other software tools, but perhaps my partners have experience regarding integration with different vendors. If Avaya can integ...
What is your primary use case for Avaya Spaces?
Most of the time, I use Avaya Spaces to hold meetings with Avaya and with partners, which fulfills our collaboration needs.
What advice do you have for others considering Avaya Spaces?
I can share my opinion about Avaya Spaces and recommend it for small or medium company users, as most of them are small users. I am currently working with Azure for our cloud needs. Overall, I woul...
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Also Known As

Avaya Cloud Application Link
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Overview

 

Sample Customers

Stop Soldier Suicide, British Columbia Ski Resort, Helse Vest, Spital Limmattal, Conduit Global
Asipto, Crocodile RCS Ltd, Edvina AB, Evariste Systems LLC, OpenXg Inc., Sipwise GmbH, VoIP Embedded
Find out what your peers are saying about Microsoft, Slack, Atlassian and others in Enterprise Social Software. Updated: December 2025.
879,889 professionals have used our research since 2012.