# Kolmisoft M4 SBC Software Pricing, Alternatives & More 2026 | Capterra

> With the help of Capterra, learn about Kolmisoft M4 SBC Software - reviews, pricing plans, popular comparisons to other Billing and Invoicing products and more.

Source: https://www.capterra.com/p/10015596/M4-SBC

---

# 

 Kolmisoft M4 SBC Software Review 2026: Features, Reviews, Integrations, Pros & Cons

Last updated on March 13, 2026

Provider data verified by our Software Research team, and reviews moderated by our Reviews Verification team.

[Description](#description)[Use cases](#use-cases)[Alternatives](#alternatives)[Features](#features)[Pricing](#pricing)[Support](#support)

Kolmisoft M4 SBC

## What is Kolmisoft M4 SBC?

M4 SBC is a Class 4 Softswitch with in-built billing, intelligent routing, DID management, and switching (transcoding) functionality. Telecommunication service providers use M4 to grow their voice business by automating their key operations, such as billing, routing, rate management, reporting, invoicing, and integrations through API. M4 can be used for these business models: SIP trunking, call origination and termination, wholesale transit, A-Z routes, and selling CC (call center) traffic.

## What is Kolmisoft M4 SBC used for?

[VoIP](https://www.capterra.com/voip-software/)[Telephony](https://www.capterra.com/telephony-software/)[Billing and Invoicing](https://www.capterra.com/billing-and-invoicing-software/)

Top alternative

Featured

Overall rating

Based on 0 user reviews

Reviews sentiment

Positive

\-

Neutral

\-

Negative

\-

Contact vendor  
for pricing

Free trial  
not available

Capterra Shortlist charts the highest-rated and most popular products...

Our "Best of" badge program showcases products with the highest ratings...

Our "Best of" badge program showcases products with the highest ratings...

Do you work for Kolmisoft M4 SBC?[Manage this product listing](https://digitalmarkets.gartner.com/get-listed/claim-bx?url=https://www.kolmisoft.com&name=Kolmisoft M4 SBC)

## Compare with a popular alternative

Capterra selects software alternatives based on relevant features, verified user reviews and user interactions. Placement may be influenced by client status.

### Kolmisoft M4 SBC

0.0

VS.

[4.2 (983)](https://www.capterra.com/p/113540/Bitrix24/reviews/)

Starting Price

Contact vendor

Starting Price

$61

Flat Rate, Per Month

Free Trial

Free Version

Pricing Options

Free Trial

Free Version

Ease Of Use

0.0 (0)

Ease Of Use

4.0 (951)

Value For Money

0.0 (0)

Value For Money

4.2 (774)

Customer Service

0.0 (0)

Customer Service

4.0 (746)

## Kolmisoft M4 SBC alternatives

Highest Rated

[4.9 (4,600)](https://www.capterra.com/p/172127/Rippling/reviews/)

Starting price

$8.00

Per User, Per Month

[4.6 (1,420)](https://www.capterra.com/p/127994/Jobber/reviews/)

Starting price

$39.00

Per User, Per Month

[4.4 (3,269)](https://www.capterra.com/p/120109/Xero/reviews/)

Starting price

$25.00

Per User, Per Month

[4.7 (1,691)](https://www.capterra.com/p/105428/Clio/reviews/)

Starting price

$49.00

Per User, Per Month

## Features

Features with the highest number of reviews are displayed first. Those that have no reviews appear next, sorted alphabetically.

API

Application programming interface that allows for integration with other systems/databases

Invoice Creation

Create invoices from scratch or have recurring invoices

Invoice History

Store and view prior invoices for each account/client

Monitoring

Observe and track the demand, usage, progress or quality of a system, product, or user

Multi-Currency

Manage and handle various international currencies

Online Invoicing

Create, send, and view electronic invoices

Kolmisoft M4 SBC 8 features

Application programming interface that allows for integration with other systems/databases

Create invoices from scratch or have recurring invoices

Store and view prior invoices for each account/client

Observe and track the demand, usage, progress or quality of a system, product, or user

Manage and handle various international currencies

Create, send, and view electronic invoices

Estimate or forecast of a future scenario based on the study of present trends

Enables the connectivity to send and receive calls over the internet

Get Advice

We can help you find the software with the features you need.

## Pricing

### Starting price

Contact vendor  
for pricing

Free trial  
not available

Connect with a Capterra advisor for a free 15-minute consultation

Get a personalized software list aligned to your business needs with guidance from our expert advisors. Our team has helped 1 million+ businesses like yours find options that fit their needs.

## Support, customer service and training options

Support

-   Email/Help Desk
-   FAQs/Forum
-   Knowledge Base
-   Phone Support
-   24/7 (Live rep)
-   Chat

Training

-   In Person
-   Live Online
-   Webinars
-   Documentation
-   Videos

Deployment

-   Web
-   Android
-   iPhone/iPad

Typical users

-   Freelancers
-   Small businesses
-   Mid size businesses
-   Enterprises

Independent research methodology

Capterra's researchers use a mix of verified reviews, independent research and objective methodologies to bring you selection and ranking information you can trust. While we may earn a referral fee when you visit a provider through our links or speak to an advisor, this has no influence on our research or methodology.

[Learn more](https://www.capterra.com/resources/proprietary-data-research/)

How Capterra verifies reviews

Capterra carefully verified over 2.5 million+ reviews to bring you authentic software experiences from real users. Our human moderators verify that reviewers are real people and that reviews are authentic. They use leading tech to analyze text quality and to detect plagiarism and generative AI.

[Learn more](https://www.capterra.com/resources/how-we-verify-reviews/)

How Capterra ensures transparency

Capterra lists all providers across its website—not just those that pay us—so that users can make informed purchase decisions. Capterra is free for users. Software providers pay us for sponsored profiles to receive web traffic and sales opportunities. Sponsored profiles include a link-out icon that takes users to the provider's website.

[Learn more](https://www.capterra.com/resources/how-we-ensure-transparency/)