Since its inception in 2002, CallTower has become a leading provider of cloud-based, enterprise-class Unified Communications solutions for growing organizations worldwide. CallTower provides, integrates and supports industry-leading, cloud-based, Unified Communication and Collaboration solutions, including Cisco® HCS and CUCM in a private cloud environment, Microsoft® Teams Direct Routing and Native Skype for Business, CT Cloud UCaaS, Office 365 and CT Cloud Meeting powered by Zoom for business customers.

CallTower enhances its clients’ strategic and operational capabilities by integrating VoIP service, mobile applications, email hosting, unified messaging, instant messaging, audio, web and video conferencing, collaboration tools, contact center, cloud services and global network solutions into one reliable platform.

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The Good

Top-of-the-line UCaaS Solutions
Key UCaaS Integration
User-friendly online provisioning portal
Robust Network

UCaaS Solution

CallTower provides, integrates and supports industry-leading, cloud-based, Unified Communications and Collaboration solutions, including Cisco® HCS and CUCM in a private cloud environment, Microsoft® Teams Direct Routing and Native Skype for Business, CT Cloud UCaaS, Office 365 and CT Cloud Meeting powered by Zoom for business customers.

CallTower and Cisco unified, provide a solution to help businesses succeed. Cisco IP phone products are a collaboration between Cisco's innovative tools and CallTower's enterprise solution. A specific segment of Cisco IP, called Cisco HCS provides comprehensive features, such as corporate telephony, unified communications, conferencing, and contact center. Another segment of Cisco IP, called Cisco Jabber, offers softphone, chat, group chat, screen sharing, video conferencing, jabber standalone, and more. Cisco Jabber gives team the freedom to work from anywhere and still connect.

Key UCaaS Integrations

Delivers dynamic and flexible UCaaS integrations with scalability for today’s growing business needs. CallTower delivers enhancements such as Cloud Contact Center, CRM, UC Analytics, SD-WAN, Video Conferencing, Devices and more.

CallTower Connect

CallTower enables customers to manage rapidly changing technologies through CallTower Connect - a user-friendly portal, created and developed in-house. This proprietary system ensures our customers can administer services without expertise in any one technology or hiring outside consultants to manage their UCaaS platforms.

Robust Network

CallTower provide the service, manage the network upgrades and integrate the technology and applications into your business with around the clock monitoring by our Network Operations Centers. With a robust global network offering redundant connections through leading providers, CallTower can connect to almost any place at any time. We also provide Multi-Protocol Label Switching (MPLS), dedicated lines and global Session Initiated Protocol (SIP) Trunks all with 24/7 monitored services to ensure maximum uptime and available dynamic application failover.

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The Bad

Not suited for non-business users
Brand Recognition

Not Suited for Non-Business Users

If you're looking for a personal or residential VoIP solution to make and receive calls, CallTower is not the best provider option. The company’s communications features are intended for business VoIP users.

Brand Recognition

Though CallTower is not a household name, the company built its white-glove, customer centric practice through customer and partner referrals. This ensures the business focus remain on delivering the highest quality solutions with paramount service to its customers. They also have strategic partnerships with other companies, such as Cisco and Aryaka. The SD-Wan solution between CallTower and Aryaka has been an asset in helping CallTower deliver higher-performance cloud communication. Their partnership with Cisco has helped broaden the horizon on the products they offer.

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The Bottom Line

CallTower is a great VoIP provider. Many features are available to make business communications easier and more successful. CallTower providers multiple business communication solutions, including Microsoft Teams Direct Routing and Cisco HCS with features and pricing plans that are sure to match your business needs.

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User Reviews

Star Rating

4.4

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41 Reviews

Review Breakdown

5 grade

63%

4 grade

24%

3 grade

2 grade

1 grade

Sentiment Criteria

Value

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Quality

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Service

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Trustworthiness

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star star star star star

Ramon Cepeda Maitland, FL

Calltower uses Skype for Business an we have been using their service for 3 years. The service works pretty good. We have Active Directory integrated with the account. There is an admin portal call CT Connect which admins can configure, setup users, assign phone numbers, Disable or remove accounts. there is also a user portal in CT Connect that users can login to and update their information. The service works very flawless. We did have some circuit issues within the few years and when reported the circuit if moved over asap to another circuit. Calltower does this automatically and usually the issues are resolved pretty quickly. Much is automated in the system. From a user perspective its pretty easy to use. From and IT Dept perspective we do have alot of admin rights to make changes, add, remove and setup accounts. There is also a billing portal that you can update information.

2 years ago

Reply from CallTower

Thank you so much for your review, Ramon!

Sep. 25th, 2019

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Andrew Rockville, MD

We moved from another hosted Skype provided to Calltower. Calltower is night and day better than what we came from an immediately moved all our customers on to their platform. Calltower has superb support staff, timely, knowledgeable, and good follow up. Outages are rare and very well communicated. We are made aware of platform changes and maintenance ahead of time. Even with the transition from Skype to Teams Calltower is ahead of the game with the direct routing options so we are definitely staying with Calltower even as Microsoft shuts down hosting options for third parties. We have had great experiences with Calltower staff from the billing department, sales, CFO, and all levels of support staff.

2 years ago

Reply from CallTower

Thank you for a great review, Andrew! We're happy you've had a superb experience.

Sep. 25th, 2019

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Georgia Graves Herndon, VA

Call Tower truly delivers service quickly and efficiently from answering the phone to Taking the service request to initiating repair and following up to be sure the issue is resolved. It would take other providers hours if not days to do many of the requests that Call Tower handles is literally minutes I am relieved and impressed and very proud to work with Call Tower

2 years ago

Reply from CallTower

Thank you for a very kind and thoughtful review, Georgia. We pride ourselves on the speed and accuracy of our support team and systems.

Jan. 9th, 2020

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Mark Fitzgerald Kansas City, MO

CallTower enables organizations to choose between various UCaaS platforms including Microsoft Teams, Microsoft Skype, Cisco CallManager, Cisco HCS, CT Cloud Voice (private VoIP offering) and Office 365. Customers have the choice to select one platform or integrate them depending on the needs of the organization. It's a very resourceful company and I have used them for many years.

2 years ago

Reply from CallTower

Thank you, Mark, for your kind review. We appreciate your business and partnership.

Sep. 25th, 2019

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Claudia Price Corona, CA

I cannot say enough good things about my experience with CallTower. I felt confident that everything would work out well during our onboarding. They have many products and are able to integrate some of their other products into Teams; something we would not have had if we went straight to Microsoft as our phone provider.

1 year ago

Reply from CallTower

Thank you for your kind words, Claudia! We appreciate our partnership.

Dec. 17th, 2021

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Focus Technology Solutions, Inc. Brookline, MA

The best thing about Calltower is the service from their team! They are extremely attentive and always ready to assist with any questions or issues. They help with the entire setup, configuration and show you how to do everything yourself until you are comfortable with it. There are multiple options for support - phone, email or chat... so I can use whichever works for me at the time!

2 years ago

Reply from CallTower

Thank you so much for your great review!

Mar. 2nd, 2020

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Corey Riley Chester, VA

We migrated our on prem Cisco telephony system to Calltower's cloud hosted Cisco solution. This included 22 offices across the globe. The migration went perfectly and the Calltower team was amazing to work with. We've been on their system for about a year now and we're very pleased with the service.

2 years ago

Reply from CallTower

Thank you so much for an excellent review, Corey! We're proud of our Cisco solutions and all the teams involved.

Jan. 30th, 2020

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Jason Lewandowski Fort Lauderdale, FL

I called in with an issue related to 3CX which does not technically support CallTower. The support rep was able to help me resolve this issue quickly. She was very knowledgeable about 3CX and knew immediately how to resolve the issue.

2 years ago

Reply from CallTower

Wow, thanks for such a great review, Jason! Our support team is pretty awesome, I'm glad we were able to get it sorted out for you.

Jan. 9th, 2020

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Amanda Niles, MI

Some response times are not the greatest. We understand we aren't the only business but requiring things to be reported right away then not getting to them until 72+ hours later, receiving an email about it being too late after the fact then asking us to report is right away isn't the best way to handle these issues. We appreciate the countless hours and abundant effort put in by CallTower while we moved to our new location this summer. We know this hasn't been easy on anyone but you have made it much more manageable than it could have been.

2 years ago

Reply from CallTower

Thank you so much for your review and your feedback, Amanda. We appreciate your constructive criticism and we'll be working hard to make sure similiar instances don't recur in the future. Please let us know if there's anything else we can do to improve your experience.

Sep. 26th, 2019

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Evan Atlanta, GA

We utilize CallTower for our unified communications and conferencing services. The experience with their team and support has been exceptional and the variety of offering they provide gives us the flexibility we need as we scale.

2 years ago

Reply from CallTower

What a fantastic review, Evan - thank you for your response! We're proud to have you as a customer and partner.

Sep. 25th, 2019

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Frank Gorkis Naperville, IL

Call Tower delivers the right solution for our business needs. A dedicated, professional team of technologists and business personnel who are always prepared and willing to engage. A great team to work with who always have the our best interest in mind.

2 years ago

Reply from CallTower

Thank you for your wonderful review, Frank! We work hard to make sure our customers and partners can easily connect.

Sep. 25th, 2019

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Michael Baumgartner Quincy, MA

CallTower's provisioning portal allows me to make changes to my accounts as needed across multiple communication platforms. We use both Microsoft Voice and Cisco Voice in our various offices. Great support team too- 24/7/365 US-based.

2 years ago

Reply from CallTower

Thank you for a stellar review, Michael! Please let us know if you ever need anything.

Sep. 25th, 2019

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Jim Coban Park Ridge, NJ

We are an MSP who worked with Call Tower in the past. They attempted to steal our clients and cut our commissions. Since then, we have moved on to a new provider and added 22 new accounts. Bad leadership, bad judgement...I would not recommend working with Call Tower if you are an MSP.

5 months ago

Reply from CallTower

To Jim - CallTower understands there was some displeasure on your part with our partner agreement. As your organization did not comply with the agreement, the agreement is being enforced properly and as outlined - as any business venture would in this situation. We appreciate all you have done and we wish your organization the best moving forward. Thank you.

Dec. 17th, 2021

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Rosa San Jose, CA

Everything has been great so far. We have been using CallTower for about a year now and we are very happy with it. Customer Service is great and we always get quick response. Thank you!

2 years ago

Reply from CallTower

Thank you so much for your review, Rosa! We're happy to hear your service is going well.

Sep. 30th, 2019

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NC Bend, OR

The phone service has been fine. However, the billing process has had multiple, ongoing errors. We were paying the monthly Invoice by check. Then, without our knowledge, and without notice, the monthly payments started being automatically deducted from the checking account. Then, suddenly the payment was not deducted AND we were charged a late fee. Once that issue was addressed, I was promised that the late fee would be credited back to our account. We did not receive the credit back for the late fee. The ongoing billing issues take my time, creates rework and costs the company more than the savings.

2 years ago

Reply from CallTower

We're terribly sorry to hear about your experience - it sounds very frustrating. Please contact our billing department directly, and we'll do our best to make this right:

Sep. 30th, 2019

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Roger Harr Orlando, FL

We have been using CallTower since late 2015. It allowed us to get off of an in-house VOIP system that wasn't working very well and also made working remote easier for staff. Pairing this with MS Office 365 really allowed us to hire full-time remote staff that gave us better regional coverage in our sales and account management areas.

2 years ago

Reply from CallTower

We love this review! Thank you for the kind words, Roger - our pride and joy is being able to enable customers to better communicate and work smarter. It seems we've been able to do just that.

Sep. 30th, 2019

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Daniel Gross Santa Cruz, CA

We use CallTower for our VOIP phones in the office of our school. They've been top notch for service, making it easy to keep things running smoothly. Highly recommended!

2 years ago

Reply from CallTower

Thank you for a fantastic review, Daniel! We're proud to be part of your school's communication system.

Feb. 4th, 2020

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Susan Maxey Denver, CO

Caiden T was very professional and was able to get our case submitted to the next level of support. Ismael R kept me updated and resolved the issue the same day.

2 years ago

Reply from CallTower

Thank you for your review, Susan! We're happy to hear about your experience.

Jan. 3rd, 2020

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Ian Christensen Chicago, IL

Working with CallTower support is always easy to do. They are able to quickly get you on the line and into a ticket. The support staff are friendly and helpful.

2 years ago

Reply from CallTower

Thank you for an awesome review, Ian! We pride ourselves on quick response times and great support.

Sep. 30th, 2019

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Bree Medford, NY

I love having the option to have our business line ring our cell phones. It's a perfect option as we are not always in the office. The app however has some problems as I have "missed" several calls. The phone never rang, however a voicemail message was left by the caller. I'm not sure why this is happening

2 years ago

Reply from CallTower

We're excited that you are enjoying our solution - please be sure to inform our support team if and when you have an issue so they can get to work on a fix: . We want to make sure your system is working perfectly. Thank you for your review!

Sep. 26th, 2019

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Craig Pizonka Spring City, PA

Sales process was very easy. Implementation team was instrumental in helping us launch the new phone system. Support team is very responsive.

2 years ago

Reply from CallTower

What an excellent review, Craig! We're very proud of our Implementation Team and their hard work - and we can't say enough about our amazing Support Team.

Sep. 30th, 2019

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Emily Chapel Hill, NC

In the past few months, we've had several occasions where callers would be randomly dropped from the call, or unable to access the meeting room using the correct participant code. This is very frustrating for our organization as a lot of what we do involves meeting virtually.

2 years ago

Reply from CallTower

We're terribly sorry to hear about your experiences, Emily. Please contact us if these issues continue, and we'll do everything possible to make it right. We value your patronage and hope this can be resolved swiftly and permanently. Our best resources for assistance are and our Network Status page:

Sep. 25th, 2019

star star star star star

Ryan Koontz Atlanta, GA

Amazing people, first-class service. They are flexible with their offering and are always open to delivering new technology.

2 years ago

Reply from CallTower

Thank you for your review, Ryan - we love our people here at CallTower, and our customers, too!

Sep. 25th, 2019

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zach hester Chicago, IL

Ive had good demos in the past and our company has been using calltower for teams integration and o365 solutions. PM has been very good im told.

2 years ago

Reply from CallTower

We're happy to hear your demos have gone well and our reputation is strong. Thanks for a nice review, Zach!

Sep. 30th, 2019

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Rita St Louis, MO

I do not have any complaints with CallTower. We did not have any issues with install and we have not had any issues with service.

2 years ago

Reply from CallTower

Thank you for your review, Rita! Please let us know if you need anything.

Sep. 26th, 2019

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Joshua Berkeley, CA

Calltower has been great. We never experience downtime and any service issues we have are resolved quickly.

2 years ago

Reply from CallTower

Thank you for a great review, Joshua! We work hard to make sure our customers can always connect.

Sep. 26th, 2019

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Marcy Chavez Los Angeles, CA

Call Tower team is always responsive and very helpful. They are pleasant and knowledgeable.

2 years ago

Reply from CallTower

Thank you for a great review, Marcy! We're happy about your positive experience with CallTower.

Feb. 12th, 2020

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Daniel Hughes Happy Valley, OR

Calltower has been exceptional with their quote to order process and highly effective communications with customers.

2 years ago

Reply from CallTower

Thank you for a great review, Daniel! We're glad to hear communications are going smoothly.

Sep. 30th, 2019

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Maria Irizarry Miami, FL

Very responsive and always willing to provide a solution that meets our evolving needs.

2 years ago

Reply from CallTower

Thank you for a glowing review, Maria! We're happy our solutions have been a good fit.

Sep. 25th, 2019

star star star star star

Thomas Shankle Tampa, FL

Strong team, did what they said the first time... Happy to continue using CallTower in the future.

2 years ago

Reply from CallTower

Thank you for a great review, Thomas! "Doing what we say the first time" is a great compliment in this era, we're happy to have delivered a good experience.

Sep. 25th, 2019

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Stef Miami, FL

No issues to report :) We always receive updates in a timely manner

2 years ago

Reply from CallTower

Thank you for a great review, Stef!

Sep. 30th, 2019

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Molly C Lapel, IN

Excellent service, accommodating to the “average” user, always responsive.

2 years ago

Reply from CallTower

A great review - thank you so much, Molly!

Sep. 26th, 2019

star star star star star

Nick Balga Burlington, WA

Techs are knowledgeable and are eager to solve any issues.

1 year ago

Reply from CallTower

Wow, what a great review! Thank you for your response, Nick.

Jun. 17th, 2020

star star star star star

TIM BENNETT Fort Smith, AR

Simple and reliable voice services, with excellent support!

2 years ago

Reply from CallTower

Thank you so much for a great review, Tim!

Mar. 9th, 2020

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David P New York, NY

Fast responses, reliable and quick to assist in issues

2 years ago

Reply from CallTower

Thank you for your review, David! We're glad to hear your experience has been positive and effective.

Sep. 30th, 2019

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Alli Boston, MA

Overall good, but sometimes its hard to get across what Im trying to get done

2 years ago

Reply from CallTower

Thank you for your review, Alli. Please be sure to let us know what we can do to improve your experience.

Sep. 26th, 2019

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Mark McClure Pottstown, PA

Good customer service, quick to respond to issues.

2 years ago

Reply from CallTower

Thank you for a great review, Mark! We pride ourselves on our customer service and responsiveness.

Sep. 25th, 2019

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Christopher Pelham, AL

Very patient and considerate, was worth the time

2 years ago

Reply from CallTower

Thank you for your review, Christopher!

Mar. 23rd, 2020

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Kate Byrne Scituate, MA

The customer service is wonderful and very professional

2 years ago

Reply from CallTower

Thank you for your review, Kate. We appreciate your feedback.

Sep. 26th, 2019

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Carlos Byromville, GA

Efectiveness, very efective and easy to use

2 years ago

Reply from CallTower

Thank you, Carlos!

Sep. 25th, 2019

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Larry Charlotte, NC

Calltower's customer service makes Comcast look like DisneyLand.

2 years ago

Reply from CallTower

We're sorry to hear about your experience, Larry - we pride ourselves on our customer service, and we want to make sure your experience improved. Please reach out and we'll do whatever's possible to make it right.

Sep. 26th, 2019

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