Cisco Jabber vs Kamailio SIP Server comparison

Cisco and Kamailio are both solutions in the Unified Communications category. Cisco is ranked #6, while Kamailio is ranked #5. Cisco holds a 4.4% mindshare in UC, compared to Kamailio’s 8.5% mindshare. Additionally, 100% of Cisco users are willing to recommend the solution, compared to 100% of Kamailio users who would recommend it.

Cisco Jabber

Read 4 Cisco Jabber reviews

447 Views
349 Comparison Views

100% willing to recommend

Kamailio SIP Server

Read 1 Kamailio SIP Server review

403 Views
367 Comparison Views

100% willing to recommend

Cisco Jabber

Kamailio SIP Server

Comparison Buyer's Guide

Download the report

Executive Summary

We performed a comparison between Cisco Jabber and Kamailio SIP Server based on real PeerSpot user reviews.

Find out what your peers are saying about Cisco, 3CX, Digium and others in Unified Communications.

To learn more, read our detailed Unified Communications Report (Updated: December 2025).

Buyer's Guide

Unified Communications

December 2025

Download the complete report

Helped 879,310 peers since 2012

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

Cisco Jabber

Ranking in Unified Communications

6th

Average Rating

9.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Kamailio SIP Server

Ranking in Unified Communications

5th

Average Rating

10.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of December 2025, in the Unified Communications category, the mindshare of Cisco Jabber is 4.4%, down from 9.3% compared to the previous year. The mindshare of Kamailio SIP Server is 8.5%, down from 9.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Unified Communications Market Share Distribution
Product	Market Share (%)
Kamailio SIP Server	8.5%
Cisco Jabber	4.4%
Other	87.1%

Unified Communications

Featured Reviews

reviewer912129

Senior Technical Manager at a financial services firm with 501-1,000 employees

Stable, easy to set up, and works fine

Everyone in our company uses Cisco Jabber for phone calls and internal chat. We have around 1,000 users. For features like video conferences, schedules, and presentations, we use Microsoft Teams. It works fine feature-wise. The Cisco Jabber features that we use work okay. There are issues in…

Read full review

it_user183567

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

Read full review

See which vendors are best for you

Use our free recommendation engine to learn which Unified Communications solutions are best for your needs.

See recommendations

879,310 professionals have used our research since 2012.

Top Industries

By visitors reading reviews

Manufacturing Company

17%

Financial Services Firm

10%

Healthcare Company

10%

Government

No data available

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

No data available

Comparisons

Skype for Business vs Cisco Jabber

Compared 47% of the time

Cisco Unified Communications vs Cisco Jabber

Compared 28% of the time

Digium Asterisk vs Cisco Jabber

Compared 26% of the time

More Cisco Jabber Competitors

Alcatel-Lucent Rainbow vs Kamailio SIP Server

Compared 35% of the time

3CX Live Chat vs Kamailio SIP Server

Compared 21% of the time

Digium Asterisk vs Kamailio SIP Server

Compared 20% of the time

Cisco Unified Communications vs Kamailio SIP Server

Compared 13% of the time

Oracle Communications Unified Communications vs Kamailio SIP Server

Compared 12% of the time

More Kamailio SIP Server Competitors

Product Reports

Buyer's Guide

Unified Communications

December 2025

Download Cisco Jabber product report

Buyer's Guide

Unified Communications

December 2025

Download Kamailio SIP Server product report

Also Known As

Jabber

No data available

Overview

Cisco Jabber instantly interacts with instant messaging (IM) and presence; IP Voice and Video Telephony; Mobile Collaboration-Anywhere on Any Device; Communicate within other Web Apps, and Microsoft Office.

Cisco

Kamailio is an Open Source SIP Server released under GPL, able to handle thousands of call setups per second. Kamailio can be used to build large platforms for VoIP and realtime communications Ð presence, WebRTC, Instant messaging and other applications. It can also easily be applied to scaling up SIP-to-PSTN gateways, PBX systems or media servers like Asterisk, FreeSWITCH or SEMS.

Kamailio

Sample Customers

Odeabank, Eagle Investment Systems, Pella Corporation, The Republican National Convention, avodaqAG

Asipto, Crocodile RCS Ltd, Edvina AB, Evariste Systems LLC, OpenXg Inc., Sipwise GmbH, VoIP Embedded

Buyer's Guide

Unified Communications

December 2025

Download Free Report

Find out what your peers are saying about Cisco, 3CX, Digium and others in Unified Communications. Updated: December 2025.

DOWNLOAD NOW

879,310 professionals have used our research since 2012.

See our list of best Unified Communications vendors.

We monitor all Unified Communications reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.