17 years helping South African businesses
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What Is Momentum?

We unleash human momentum with collaboration, connectivity, and communications technology. All business is human—and when custom technology empowers human ingenuity, people and companies thrive. High performing teams do more, achieve more, and win more. Companies become agile, efficient, and resilient.

Our team takes pride in making technology easy and cost effective. We love what we do—and it shows in the way we partner with you, from our first conversation to ongoing post-install support. Working with over 30,000 customer locations in 65+ countries, we deliver straightforward, secure, and scalable global managed services and advanced collaboration and communications solutions like Microsoft Teams and more.

Who Uses Momentum?

Momentum boosts communication by integrating managed network and Microsoft Teams, streamlining interactions, enhancing collaboration, and improving efficiency for businesses and customers.

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Reviews of Momentum

Average score

Overall
4.6
Ease of Use
4.4
Customer Service
4.6
Features
4.5
Value for Money
4.6

Reviews by company size (employees)

  • <50
  • 51-200
  • 201-1,000
  • >1,001

Find reviews by score

5
78%
4
15%
3
3%
1
3%
Jerry
Jerry
IT Systems / Senior TelCom Engineer in US
Verified LinkedIn User
Hospital & Health Care, 1,001–5,000 Employees
Used the Software for: 1+ year
Reviewer Source

The Steakhouse of TelCom - Hidden Gem

5.0 2 years ago

Comments: Our previous provider COULD NOT keep up with our UCaaS growth potential. Their system was OLD and antiquated. They wanted us to keep the partnership and move us to the "New" cloud PBX. They weren't there yet. There wasn't any redundancy, no flexibility to manage users quickly and NO e911 services. We're NOT a beta company. We NEEDED a solid UCaaS system which was cloud based that we could use for administration and have e911 capability. We seriously vetted through 5 company's and after checking all the boxes they all talked and seemed the same. I was actually numb from hearing the same thing over and over again. I was introduced to G-12 actually as a final resource. "YOU MUST Hear this guy [SENSITIVE CONTENT] tell their story of G-12 and what they have." Got on a conference call and let [SENSITIVE CONTENT] start his Demo and I asked him specifically. "[SENSITIVE CONTENT], why should I go with G-12 over all the others that I've had demo's with?". As soon as I saw the conviction in his face and him talk about how his team was i.e. provisioning, porting, support. This dude was passionate. I gave him top seat in my vetting process. I asked him to prove it. I was quickly introduced to his teams and listening to each one of them through out this process solidified my decision. With their provisioning team, porting team and support I'm now 1350+ users, 1200+ UC phones, 30+ Softphones, Teams Connections. I got EXACTLY what I asked [SENSITIVE CONTENT] team for NO FLUFF..

Pros:

As a TelCom engineer and system administrator, it's EXTREMLY important to have a plan. That plan revolves around my office staff's needs and the flexibility of the system to help make business decisions which makes my team and callers experience the best that can be. G-12 admin portal that sync's to Cloud PBX makes it SO SIMPLE to view, plan and strategize for growth and visualize call routing, make adjustments on the fly and most importantly have the provisioning team give me guidance and a REAL support and engineering team to be there when needed.

Cons:

We as Tech people wish that we had an out of the box, turn-key solution that works 100% to our favor. This is a GREAT wish list for all IT teams. There are a couple of items that I wish I could change, but these items are so insignificant and do not hinder performance to any degree. More of a cosmetic thing. For the sake of this portion of my review, I'll note - The admin portal is also cloud based. The admin panel has MANY pages and options to choose from like Users, Auto Attendants, Queues, Inventory, etc. A few of these pages I wish that we could change sorting features. I know, it's petty but sometimes, this gets annoying. Other than that, I don't have access to softphone users and management area of that just yet. It's coming but not just there yet.

Joseph
IT Consultant in US
Computer Networking, 2–10 Employees
Used the Software for: 2+ years
Reviewer Source

G12, Becoming Best in Class

5.0 last year

Comments: G12 does an excellent job at retaining customers. What I appreciate is their willingness to work with me in setting up SIP services on an older PBX. They have a keen sense of this technology which I belileve gives them an edge.

Pros:

G12's process from initial inquiry, to creating scope of work, implentation, and follow up is exceptional. G12 has experienced engineers which I have utilized to turn up services as well as trouble shoot issues that come up.

Cons:

So far I can't say that I have any Cons to report. G12 is a very good company. Their pricing is very amenable compared to the ILEC and other CLECs.

Michael Paul
Michael Paul
Managerial Consultant in US
Verified LinkedIn User
Entertainment, 2–10 Employees
Used the Software for: 2+ years
Reviewer Source
Source: GetApp

Never Use Momentum Telecom

1.0 2 years ago

Comments: On 4/18, my dad emailed Momentum Telecom that his firm was closing. He attempted to shut down the service. He is 73 years old. Momentum would not help.He sent formal notice via email on 5/14 that I was authorized. I called [sensitive content hidden] on 5/14. No one answered. I sent an email and called on 5/15. No one answered. I called the main line for Momentum. My father authorized me on the phone. They said only my account manager, [sensitive content hidden] , could help. They said she would call. No one called.After two days, I called [sensitive content hidden] and the main line again on 5/17. I made a formal complaint. I was transferred to someone who assured me someone would call. No one called. On 5/19, [sensitive content hidden] emailed that we owed an early termination fee of 3,143.87. I called and asked for an explanation of the bill. They told me someone would call. No one called.On Monday, 5/22, [sensitive content hidden] emailed that I was not authorized on the account. Dad reiterated that I was authorized. We asked for the original contract. [sensitive content hidden] emailed it to us. The contract was signed by a former employee who didn't have authorization to enter the firm into financial contracts.On 5/23, [sensitive content hidden] said she had had a full schedule, clarifying why she didn’t call. Then stated she could not answer questions about the final bill until 7/1.They called on 5/26. Dad promptly handed the phone to me. I asked why we were being charged 3200 when our monthly bill was 160. They were confused and said we owed them 1600 without explaining why.

Pros:

Not much. I trust that as customers start submitting reviews, the firm will go out of business.

Cons:

Poor customer service, poor communication, unethical, unprofessional

Depei
Network Engineer in US
Health, Wellness & Fitness, 201–500 Employees
Used the Software for: 6-12 months
Reviewer Source

Great technology and Good customer service

5.0 2 years ago

Comments: In my experience, G12 Communications has proven itself to be a remarkable platform. Its integration of Microsoft Teams with VOIP has transformed our communication processes and heightened productivity within our team.G12 Communications not only offers technologically advanced solutions, but also excels in the sphere of customer support. As a veteran, I have high standards for professionalism and efficiency, and I can attest that G12's customer service meets these standards effortlessly. Their team is always responsive, kind, and ready to assist, which speaks volumes about their commitment to customer satisfaction.What stood out to me was a meeting with their [sensitive content hidden], where the emphasis on professionalism in staff training was highlighted. This focus is evident in their exceptional service - in the few instances where I needed to submit a support ticket, each issue was addressed and resolved in a timely manner.

Pros:

I am absolutely thrilled with my experience using G12 Communications. The aspect I admire the most is how effortlessly it integrates Microsoft Teams with VOIP, creating a unified communication platform that is both efficient and effective. This seamless integration has greatly enhanced our team's ability to collaborate and communicate, which has in turn boosted our productivity.

Cons:

However, like any innovative solution, there's always room for improvement. One area that falls a bit short of expectations is their SMS functionality. Currently, it doesn't operate as fluidly as I would like, leading to it being underutilized by our staff. Nevertheless, I have been informed that their dedicated team of engineers is working on enhancing this feature, and I am eagerly awaiting the upgraded version.

Steve
President in US
Hospital & Health Care, 2–10 Employees
Used the Software for: 2+ years
Reviewer Source

G12 provides excellent VOIP and support

5.0 last year

Comments: Very good experience. Using their services for several years now.

Pros:

Ease of use and flexibility for my small business

Cons:

The user portal a bit confusing for people on my team

Hedim
IT Manager in US
Logistics & Supply Chain, 11–50 Employees
Used the Software for: 1+ year
Reviewer Source

Great customer service

5.0 last year

Pros:

When there is an issue, communication with team to find a solution is very quick

Cons:

No big issues have been left unresolved. Sometimes the issue is found to be internal, but G12 is still willing to assist.

Jeff
IT Administrator in US
Construction, 51–200 Employees
Used the Software for: 2+ years
Reviewer Source

G12 was great to work with!!

5.0 9 months ago

Comments: Really nice people and very helpful. Always responded quickly.

Pros:

They are very responsive to their customer needs. Always impressed with the level of service

Cons:

I did not have any dislikes about using G12. They are great!

Kris
Principal in US
Information Technology & Services, Self Employed
Used the Software for: 2+ years
Reviewer Source

Took too long to remediate

3.0 last year

Comments: Overall, good; right now, I'm upset that it took 4-5 calls to get assistance and resolution.

Pros:

Historically, the service response, and call quality.

Cons:

The service response, and lack of speed to get this issue resolved.

Jonathan
Web Developer in US
Marketing & Advertising, 11–50 Employees
Used the Software for: 2+ years
Reviewer Source

Big Upgrade and Great Service

5.0 last year

Pros:

The phones we have from G12 have lots of features, and customer service is great when I've needed help.

Cons:

Call transfers can be a little tricky sometimes. The speed dial buttons are annoying to program when you have lots of users.

Verified Reviewer
Verified LinkedIn User
Construction, 201–500 Employees
Used the Software for: 1-5 months
Reviewer Source

Great customer service but questionable web interface

4.0 last year

Pros:

Everyone is always happy to help me when I email their support address! They really go above and beyond.

Cons:

The ability to self-service our phone lines in the online Teams connector is lacking. Everyone we set up a new user, we have to email the support email address to have them do everything on the back end. They confirmed with me that it's not possible for us to perform the integration ourselves, so we must rely on their email support team to perform the work instead of being able to completely self-service. It's a good thing their email support is so friendly and helpful!

Alexandra
Surgical Coordinatoor in US
Medical Practice, 11–50 Employees
Used the Software for: 1+ year
Reviewer Source

G12 Communications is Great!

4.0 2 years ago

Pros:

The product is user friendly and very easy to use

Cons:

I do not have anything that I am not pleased with

Tara
Administrator in US
Food & Beverages, 51–200 Employees
Used the Software for: 2+ years
Reviewer Source

Perfect for our company

5.0 2 years ago

Comments: Overall it has been a positive influence for us, I would suggest it over Comcast anyday!

Pros:

G12 has been a very user friendly system for our company. The support has been excellent also.

Cons:

It was a little confusing on the phone tree.

Trevor
Inside Sales Rep in US
Transportation/Trucking/Railroad, 5,001–10,000 Employees
Used the Software for: 1-5 months
Reviewer Source

Highly recommend

5.0 last year

Pros:

The constant strive to fix the issue and constant contact.

Cons:

nothing, I haven't had any issue with G12.

Raymond
Senior Systems Engineer in US
Information Technology & Services, 201–500 Employees
Used the Software for: 1+ year
Reviewer Source

G12...What is there not to like!

5.0 2 years ago

Comments: Great throughout the process and post install support has been fantastic

Pros:

We really likes the cost savings as it was almost 1/4 of our prior billing.

Cons:

There is really nothing that is disliked about the products.

Cat
MA in US
Medical Practice, 11–50 Employees
Used the Software for: 2+ years
Reviewer Source

G12 Communications rocks!!

5.0 2 years ago

Comments: if I ever have an issue or need help my issue gets solved within that same day!

Pros:

The accurate transcriptions allowing me to preview a voicemail that a patient has left.

Cons:

Honestly nothing! This is the most user friendly communications software!

Jesse
VP of IT in US
Hospital & Health Care, 201–500 Employees
Used the Software for: 2+ years
Reviewer Source

G12 Communications Review

5.0 2 years ago

Pros:

Easy to use with individual tech support

Cons:

800 number price point is a bit high compared to competition.

Scott
IT Resource Consultant in US
Information Technology & Services, 2–10 Employees
Used the Software for: 2+ years
Reviewer Source

G12 - Amazing to work with, flexible, MS integrations that really work, and fantastic support!

5.0 2 years ago

Comments: G12 is one of the best providers I've worked with in my 20+ years in the industry - period!

Pros:

The ease of deployment and design was incredibly simple. The G12 staff are experienced and make life easy! The integrations with MS are the best I've worked with & reduce costs while increasing support.

Cons:

It's important to work with the G12 staff on the design to be as complete as possible going into the migration. Once migrated G12 staff handles changes on the fly very quickly, but it's always best to measure twice and cut once.

Stan
President in US
Insurance, 2–10 Employees
Used the Software for: 2+ years
Reviewer Source

G12 Communications

5.0 2 years ago

Comments: We have worked with G12 since 2013. In that time we've never had a single time that the service wasn't operating perfectly. When we've needed assistance to add a line, or something, they have bee fast, efficient and extremely professional.

Pros:

Excellent call quality. Zero down-time. Outstanding Tech support.

Cons:

None. I can't think of a single thing I don't like about the software.

Chrissy
Integrator in US
Information Technology & Services, 11–50 Employees
Used the Software for: 1+ year
Reviewer Source

Highly Recommend

5.0 2 years ago

Comments: We are able to know that when we manage customers phones and Teams integration that it's solid and stable.

Pros:

We have used several different phone providers throughout the years at our customer sites and none have been as stable and easy to administer as G12. The integration with Teams is excellent.

Cons:

Not enough features for call center, helpdesk needs.

Chelsea
Data and Operations Manager in US
Executive Office, 11–50 Employees
Used the Software for: 1+ year
Reviewer Source

Great Customer Service

5.0 2 years ago

Pros:

G12 has great customer service, with quick response time. Easy to use!

Cons:

The only complaint is that we are limited to 10 on our phone tree (which may have to do with our subscription level.)

Raj
Financial Controller in US
Food & Beverages, 51–200 Employees
Used the Software for: 2+ years
Reviewer Source

Review

5.0 2 years ago

Comments: I have no problems with G12. Very good service

Pros:

I really like how we can use the app and how it can be essentially a second phone on your smartphone.

Cons:

I believe the app needs to be refreshed and updated.

Heidi
Accounting in US
Wholesale, 11–50 Employees
Used the Software for: 1+ year
Reviewer Source

G12 Review

5.0 2 years ago

Comments: I think the best part of the system is that you can route calls to the salesmen's phone from the main office.

Pros:

Fairly easy to use once you figure out the system.

Cons:

I little difficult to figure out the system (maybe just me)

Cathie
Practice Manager in US
Health, Wellness & Fitness, 11–50 Employees
Used the Software for: 2+ years
Reviewer Source

G12 use

5.0 2 years ago

Comments: The customer service is OUTSTANDING!

Pros:

the quality of phone sound and service is great.

Cons:

the reporting makes me a little crazy but I usually figure it out.

Gary
Manager in US
Translation & Localization, 51–200 Employees
Used the Software for: 1+ year
Reviewer Source

Awesome platform

5.0 2 years ago

Comments: G12 has been awesome to work with, from the initial sales call, implementing the new system and after support. I highly recommend G12.

Pros:

Everything works perfectly. The system has all the features we need and more.

Cons:

No cons, everything is perfect and works as it should.

AMy
Fiscal Assistant/Accounts Payable in US
Government Administration, 51–200 Employees
Used the Software for: 6-12 months
Reviewer Source

Overall Excellent Product

5.0 2 years ago

Comments: Anytime we have an issue it seems to be taken care of quickly.

Pros:

The ability to work remotely without losing calls

Cons:

Address book, ext list availability would be nicer to have