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Digium Switchvox 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

Digium Switchvox
Ranking in Unified Communications
12th
Average Rating
9.0
Number of Reviews
2
Ranking in other categories
IP Telephony & Unified Communications (15th)
Kamailio SIP Server
Ranking in Unified Communications
3rd
Average Rating
10.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of July 2025, in the Unified Communications category, the mindshare of Digium Switchvox is 2.3%, up from 1.3% compared to the previous year. The mindshare of Kamailio SIP Server is 9.8%, down from 11.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Unified Communications
 

Featured Reviews

it_user489357 - PeerSpot reviewer
The Switchboard Redesign, Wall board in Switchboard, and Browser based video conferencing are extremely valuable.
Switchboard Redesign & Widget  Wall board in Switchboard Browser based video conferencing  Mobile App REST Interface  Call Center Management is easier now  Switchvox responsiveness has improve greatly  Our staff are very happy with the new Switchvox UI & UX of the Mobile App Experience with…
it_user183567 - PeerSpot reviewer
​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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Top Industries

By visitors reading reviews
No data available
Financial Services Firm
15%
Computer Software Company
11%
Healthcare Company
9%
Real Estate/Law Firm
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Also Known As

Switchvox
No data available
 

Overview

 

Sample Customers

CORAF/Wecard
Asipto, Crocodile RCS Ltd, Edvina AB, Evariste Systems LLC, OpenXg Inc., Sipwise GmbH, VoIP Embedded
Find out what your peers are saying about Cisco, 3CX, Kamailio and others in Unified Communications. Updated: June 2025.
861,170 professionals have used our research since 2012.