--- title: CallTower Reviews meta_title: 'CallTower Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 388 reviews by the users' company size, role or industry to find out how CallTower works for a business like yours. aggregate_rating: rating_value: 4.3 review_count: 388 scale: '5' date_modified: '2026-11-06' parent_category: name: Collaboration & Productivity url: https://www.g2.com/categories/collaboration-productivity ---

CallTower Reviews & Product Details

Value at a Glance

Averages based on real user reviews.

Time to Implement

3 months

CallTower Reviews (388)

View 1 Video Reviews
Reviews

CallTower Reviews (388)

View 1 Video Reviews
4.3
388 reviews

What do users say?

Generated using AI from real user reviews

Pros & Cons

Generated from real user reviews
View All Pros and Cons
Search reviews
Filter Reviews
Clear Results
G2 reviews are authentic and verified.
BC
Brenden C.
Help Desk Technician
Mid-Market (51-1000 emp.)
"Excellent Licensing Support for Phone Services"
4/5
What do you like best about CallTower?

They are helpful in providing licensing for our phone services. Review collected by and hosted on G2.com.

What do you dislike about CallTower?

I haven't had any negative experiences with CallTower Review collected by and hosted on G2.com.

Response from Tonya W. of CallTower

Thank you for your kind words! We’re thrilled to hear that you’ve had a positive experience with our licensing support for your phone services. Helping our customers with VoIP setup and licensing is a key part of what we do, and it’s wonderful to know we’ve been able to meet your needs.

We’re also delighted to hear that you haven’t had any negative experiences—your satisfaction is our top priority! If there’s ever anything more we can do to assist or enhance your experience, please don’t hesitate to reach out.

Thank you for choosing CallTower to support your communication needs!

Rob H.
RH
Rob H.
Board Advisor
Mid-Market (51-1000 emp.)
"Fast, Competitive Quotes and Excellent Service"
4.5/5
What do you like best about CallTower?

Call tower worked with us to quickly get a cost competitive quote Review collected by and hosted on G2.com.

What do you dislike about CallTower?

It took some time to setup service in our systems Review collected by and hosted on G2.com.

Response from Tonya W. of CallTower

Thank you for your feedback! We’re delighted to hear that our team was able to provide you with a fast and cost-competitive quote. Delivering excellent service and value is always our goal.

We appreciate your patience during the setup process and understand how important a smooth onboarding experience is. Your feedback helps us identify areas where we can improve and streamline our processes.

Thank you for choosing CallTower to support your calls within the GCC-H environment. If there’s anything more we can do to enhance your experience, please don’t hesitate to reach out!

SS
Spiros S.
IT Engineer
Mid-Market (51-1000 emp.)
"The easiest way to enable GCC Teams calling out there"
4.5/5
What do you like best about CallTower?

VoIP is always tricky to navigate when you don't have a dedicated internal team to manage it. The support team at CallTower made it easy to get up and running. Review collected by and hosted on G2.com.

What do you dislike about CallTower?

It is a challenge for all companies to integrate with GCC. CallTower gets the job done but the feature set is more limited in that environment. Review collected by and hosted on G2.com.

Response from Tonya W. of CallTower

We appreciate your recognition of our support team. Navigating VoIP without a dedicated internal team can be a challenge, and we’re glad we could make the setup process smoother for you.

Thank you for your honest feedback regarding GCC integration. You're right—GCC environments can present unique limitations. We continue to work closely with our partners to expand capabilities within these secure frameworks and always welcome insights that help shape our roadmap.

EL
Eric L.
System Administrator
Mid-Market (51-1000 emp.)
"friendly and helpful"
4.5/5
What do you like best about CallTower?

Tch support has in-depth knowledge of the subject matter. Review collected by and hosted on G2.com.

What do you dislike about CallTower?

should explain the Call Tower technical term a little better for regular user Review collected by and hosted on G2.com.

Response from Tonya W. of CallTower

Thank you for your feedback. We’re happy to hear our support team has been knowledgeable and helpful. We also appreciate your note on simplifying technical terms — that’s a great reminder for us to keep explanations clear for all users. We’re glad we could assist with adding your Poly phones and support your team’s needs.

Mike M.
MM
Mike M.
Vice President
Mid-Market (51-1000 emp.)
"CallTower was great to work with"
4.5/5
What do you like best about CallTower?

Great customer service. they helped us migrate our existing numbers and helped us size our service based on our needs. Review collected by and hosted on G2.com.

What do you dislike about CallTower?

Their website needs some work as you still have to do some things via e-mail or phone, and their self service FAQ's did not address all my questions. Review collected by and hosted on G2.com.

Response from Tonya W. of CallTower

Thank you for sharing your experience. We’re glad to hear our team was able to support your migration and ensure your services were sized to fit your needs. We appreciate your feedback on the website and self-service resources — that’s helpful as we continue making improvements. It’s great to know CallTower is meeting your GCC High voice and conferencing needs.

Verified User in Manufacturing
AM
Verified User in Manufacturing
Mid-Market (51-1000 emp.)
Originally submitted 12/13/2023
"Dial-in number for MS Teams meeting which was absent by default with Government Azure"
5/5
What do you like best about CallTower?

A solutions that work well with MS Government Azure Review collected by and hosted on G2.com.

What do you dislike about CallTower?

A little confusing at the implement stage. But no trouble after that. Review collected by and hosted on G2.com.

Response from Tonya W. of CallTower

Thank you so much for taking the time to share your positive experience with CallTower! We're thrilled to hear that our solutions have successfully filled in the gaps for MS Government Azure, contributing to your overall satisfaction. At CallTower, we are committed to delivering innovative and seamless solutions to meet the evolving needs of our customers. Your feedback is invaluable, and we look forward to continuing to provide you with exceptional service and solutions tailored to your requirements. If you have any further comments or suggestions, please feel free to share them with us. We truly appreciate your partnership with CallTower!"

Rick A.
RA
Rick A.
IT Specialist
Enterprise (> 1000 emp.)
"CallTower is a good option for government contractors"
4.5/5
What do you like best about CallTower?

If you are a government contractor bound by cybersecurity restrictions looking for a FedRAMP certified option for a SaaS-based voice solution, then CallTower is a good option. Integrates well with Microsoft Teams and Microsoft 365 government environments. Review collected by and hosted on G2.com.

What do you dislike about CallTower?

The Connect portal for admins is very clunky and unintuitive. Needs a lot of work. Review collected by and hosted on G2.com.

Response from Tonya W. of CallTower

Thank you for sharing your experience. It’s great to hear that our integration within Microsoft Teams and Microsoft 365 government environments is supporting your compliance and communication needs in the GCC High space. We take pride in offering secure, FedRAMP-aligned solutions tailored for government contractors.

Your feedback on the Connect portal is appreciated. We recognize that ease of use is essential for administrators, and enhancements to the portal are a key focus area for our product team. Insights like yours help guide those improvements.

We're committed to supporting your mission with secure, scalable voice services, and we look forward to continually strengthening your experience with CallTower.

— The CallTower Team

Jonathan .
J
Jonathan .
Director
Small-Business (50 or fewer emp.)
Originally submitted 10/24/2025
"Simple to Use, But USD-Only Billing Is a Drawback"
3.5/5
What do you like best about CallTower?

Simplicity of the solution and implimentation Review collected by and hosted on G2.com.

What do you dislike about CallTower?

All billing is in USD and not local currency Review collected by and hosted on G2.com.

Response from Tonya W. of CallTower

Thank you for sharing your feedback! We’re glad to hear you’ve found CallTower simple to use and easy to implement. We appreciate your note about billing in USD — that’s helpful input as we continue to look for ways to better support our international customers. We’re happy to know our Teams integration has been working well for you!

Verified User in Manufacturing
UM
Verified User in Manufacturing
Enterprise (> 1000 emp.)
"Excellent Service and Support"
4/5
What do you like best about CallTower?

Service is very good, very quick to respond to issue and questions Review collected by and hosted on G2.com.

What do you dislike about CallTower?

Billing is a little confusing because they do not fully follow set agreed upon TERMS which makes statements a little confusing. Review collected by and hosted on G2.com.

Response from Tonya W. of CallTower

Thank you for the kind words about our service and support — we’re so glad to hear our team has been responsive and helpful! We truly appreciate your feedback about billing as well; that’s valuable insight we’ll review with our team to ensure greater clarity moving forward. It’s great to know CallTower is helping you access the data center and edge computing services you need quickly and reliably. Thanks again for taking the time to share your experience!

Verified User in Information Technology and Services
AI
Verified User in Information Technology and Services
Mid-Market (51-1000 emp.)
"Consistently Reliable Service with Excellent Support"
4.5/5
What do you like best about CallTower?

We have used CallTower for years and it has been a very consistent service. Support has generally be excellent and have not had any downtime in years. Review collected by and hosted on G2.com.

What do you dislike about CallTower?

Recent support case with onboarding of international regions has taken longer than expected. Review collected by and hosted on G2.com.

Response from Tonya W. of CallTower

Thank you for your loyalty and for sharing your experience! We’re thrilled to hear that CallTower has provided you with consistent, reliable service over the years and that our support team has generally met your expectations. It’s especially rewarding to know that you’ve experienced no downtime in years—reliability is something we strive to deliver every day.

We appreciate your feedback regarding the on-boarding of international regions. We understand how important timely support is, and we’ll use your input to improve our processes and ensure smoother experiences in the future.

Thank you for trusting CallTower to support your calling plans with Teams, both in the US and internationally. If there’s anything more we can do to assist, please don’t hesitate to reach out!

Questions about CallTower? Ask real users or explore answers from the community

Get practical answers, real workflows, and honest pros and cons from the G2 community or share your insights.

GU
Guest User
•
Last activity over 1 year ago

What is CallTower used for?

0 Upvotes
1
Join the conversation

Pricing Insights

Averages based on real user reviews.

Time to Implement

3 months

Return on Investment

13 months

Average Discount

11%

CallTower Comparisons
CallTower Features
Phone Calls
Video Calls
Instant Messaging
Hold Music
Automated Attendants
VOiP Number
Software Pairing
Browser Extension
Individual Download
Voicemail to Email
Voice Conferencing