--- title: CallTower Reviews meta\_title: 'CallTower Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter 377 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: 377 scale: '5' date\_modified: '2026-08-07' parent\_category: name: Collaboration & Productivity url: https://www.g2.com/categories/collaboration-productivity --- ### CallTower Pros and Cons: Top 5 Advantages and Disadvantages #### Quick AI Summary Based on G2 Reviews Generated from real user reviews Users highlight the **outstanding customer support** from CallTower, ensuring a seamless onboarding and troubleshooting experience. [(56 mentions)](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1398213&qs=pros-and-cons#reviews) Users find CallTower's **efficient customer service** invaluable, appreciating their professionalism and support for Microsoft offerings. [(49 mentions)](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1398236&qs=pros-and-cons#reviews) Users value the **reliable VoIP and UCaaS services** of CallTower, ensuring seamless communication for business operations. [(39 mentions)](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1398987&qs=pros-and-cons#reviews) Users commend the **ease of use** of CallTower, facilitating efficient self-service and smooth communication for teams. [(37 mentions)](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1399701&qs=pros-and-cons#reviews) Users appreciate the **excellent customer service** of CallTower, noting quick responses and helpful support from real people. [(35 mentions)](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1398441&qs=pros-and-cons#reviews) Users experience **slow and inadequate customer service** , facing delays in support and unresolved issues. [(16 mentions)](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1399394&qs=pros-and-cons#reviews) Users report **billing issues** with CallTower, citing confusion and delays in receiving accurate invoices. [(12 mentions)](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1399193&qs=pros-and-cons#reviews) Users express frustration with **poor customer support** , as assistance is often unhelpful and issues remain unresolved. [(12 mentions)](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1398319&qs=pros-and-cons#reviews) Users find the **lack of intuitiveness** in CallTower's admin portal hinders easy management of DIDs and tasks. [(11 mentions)](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1399138&qs=pros-and-cons#reviews) Users experience **long wait times** for support and hardware, impacting overall satisfaction with CallTower's services. [(11 mentions)](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1398697&qs=pros-and-cons#reviews) ### 5 Pros or Advantages of CallTower ##### 1. Customer Support Users highlight the **outstanding customer support** from CallTower, ensuring a seamless onboarding and troubleshooting experience. [ See 56 mentions ](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1398213&qs=pros-and-cons#reviews) See Related User Reviews ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Mid-Market (51-1000 emp.) 4.5/5 "Cost-Effective Service with Setup Hurdles" What do you like about CallTower? I like the cost and the service that CallTower provides. We need phone service, and CallTower provides low-cost, good quality phone service and tech s ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Mid-Market (51-1000 emp.) 4.5/5 "Call Tower and Call Center Agent - They just work like they should" What do you like about CallTower? Other than my company making changes, the software is reliable and works. Support is quick to reply and their customer service is top knotch. ##### 2. Helpful Users find CallTower's **efficient customer service** invaluable, appreciating their professionalism and support for Microsoft offerings. [ See 49 mentions ](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1398236&qs=pros-and-cons#reviews) See Related User Reviews ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Mid-Market (51-1000 emp.) 4.5/5 "Cost-Effective Service with Setup Hurdles" What do you like about CallTower? I like the cost and the service that CallTower provides. We need phone service, and CallTower provides low-cost, good quality phone service and tech s AO AB O. Mid-Market (51-1000 emp.) 5.0/5 "Effortless Team Calls with Exceptional Support" What do you like about CallTower? I like CallTower for its easy porting which makes configuration for admins simple. I also appreciate the support they provide. The setup was super eas ##### 3. Reliability Users value the **reliable VoIP and UCaaS services** of CallTower, ensuring seamless communication for business operations. [ See 39 mentions ](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1398987&qs=pros-and-cons#reviews) See Related User Reviews ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Mid-Market (51-1000 emp.) 4.5/5 "Call Tower and Call Center Agent - They just work like they should" What do you like about CallTower? Other than my company making changes, the software is reliable and works. Support is quick to reply and their customer service is top knotch. ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Enterprise (\> 1000 emp.) 4.0/5 "Exceptional Nationwide Coverage and Support for Large Enterprises" What do you like about CallTower? CallTower has incredible coverage across the US. We work with CallTower supporting a Fortune 200 company in the retail space. We're in over 800 rat ##### 4. Ease of Use Users commend the **ease of use** of CallTower, facilitating efficient self-service and smooth communication for teams. [ See 37 mentions ](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1399701&qs=pros-and-cons#reviews) See Related User Reviews ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Mid-Market (51-1000 emp.) 4.5/5 "Cost-Effective Service with Setup Hurdles" What do you like about CallTower? I like the cost and the service that CallTower provides. We need phone service, and CallTower provides low-cost, good quality phone service and tech s AO AB O. Mid-Market (51-1000 emp.) 5.0/5 "Effortless Team Calls with Exceptional Support" What do you like about CallTower? I like CallTower for its easy porting which makes configuration for admins simple. I also appreciate the support they provide. The setup was super eas ##### 5. Customer Service Users appreciate the **excellent customer service** of CallTower, noting quick responses and helpful support from real people. [ See 35 mentions ](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1398441&qs=pros-and-cons#reviews) See Related User Reviews ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Mid-Market (51-1000 emp.) 4.5/5 "Cost-Effective Service with Setup Hurdles" What do you like about CallTower? I like the cost and the service that CallTower provides. We need phone service, and CallTower provides low-cost, good quality phone service and tech s ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Mid-Market (51-1000 emp.) 4.5/5 "Call Tower and Call Center Agent - They just work like they should" What do you like about CallTower? Other than my company making changes, the software is reliable and works. Support is quick to reply and their customer service is top knotch. ### 5 Cons or Disadvantages of CallTower ##### 1. Customer Service Users experience **slow and inadequate customer service** , facing delays in support and unresolved issues. [ See 16 mentions ](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1399394&qs=pros-and-cons#reviews) See Related User Reviews ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Mid-Market (51-1000 emp.) 4.5/5 "Call Tower and Call Center Agent - They just work like they should" What do you dislike about CallTower? Wish we had access to more local features to self service, but a simple ticket into Customer service and changes are made. Example is adding a greetin ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Enterprise (\> 1000 emp.) 4.0/5 "Exceptional Nationwide Coverage and Support for Large Enterprises" What do you dislike about CallTower? There are two areas: some of their support systems need updating. We can only open tickets via email. ##### 2. Billing Issues Users report **billing issues** with CallTower, citing confusion and delays in receiving accurate invoices. [ See 12 mentions ](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1399193&qs=pros-and-cons#reviews) See Related User Reviews JW jpw@clpinc.com W. Mid-Market (51-1000 emp.) 4.0/5 "Efficient Call Management with Quick Issue Response" What do you dislike about CallTower? I find visibility in billing to be an issue. ![Judithe W.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Judithe W.") JW Judithe W. Mid-Market (51-1000 emp.) 4.0/5 "Timely Invoices That Keep Us Paying on Time" What do you dislike about CallTower? The invoices are sometime hard to follow ##### 3. Poor Customer Support Users express frustration with **poor customer support** , as assistance is often unhelpful and issues remain unresolved. [ See 12 mentions ](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1398319&qs=pros-and-cons#reviews) See Related User Reviews ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Enterprise (\> 1000 emp.) 4.0/5 "Exceptional Nationwide Coverage and Support for Large Enterprises" What do you dislike about CallTower? There are two areas: some of their support systems need updating. We can only open tickets via email. ![Lauren D.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Lauren D.") LD Lauren D. 2.0/5 "Responsive Support, but Needs Improvement on Issue Resolution" What do you dislike about CallTower? The minimum requirements for texting-related issues are too strict and feel bad from a customer point of view. When requesting assistance, technicians ##### 4. Lack of Intuitiveness Users find the **lack of intuitiveness** in CallTower's admin portal hinders easy management of DIDs and tasks. [ See 11 mentions ](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1399138&qs=pros-and-cons#reviews) See Related User Reviews ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Mid-Market (51-1000 emp.) 4.5/5 "Cost-Effective Service with Setup Hurdles" What do you dislike about CallTower? The CallTower CT connect portal where we administer our phone numbers is antiquated and it has several friction points. It's just not easy to navigate JH Justin H. 4.5/5 "Seamless Switch with Top-Notch Support" What do you dislike about CallTower? I think the billing center for managing bills and invoices could use a little bit of love. The interface is just a little slow and clunky. It looks a ##### 5. Long Wait Times Users experience **long wait times** for support and hardware, impacting overall satisfaction with CallTower's services. [ See 11 mentions ](https://www.g2.com/products/calltower/reviews?filters%5Bsentiment_snippet%5D=1398697&qs=pros-and-cons#reviews) See Related User Reviews ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Mid-Market (51-1000 emp.) 4.5/5 "Cost-Effective Service with Setup Hurdles" What do you dislike about CallTower? The CallTower CT connect portal where we administer our phone numbers is antiquated and it has several friction points. It's just not easy to navigate ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") A Verified User Mid-Market (51-1000 emp.) 4.5/5 "Reliable Service That Delivers Consistently" What do you dislike about CallTower? new request for new number take forever also no account manager that check on the service with costumer KJ Kevin J. IT Manager Mid-Market (51-1000 emp.) 11/17/2025 "Efficient Service and Outstanding Customer Support" 4/5 What do you like best about CallTower? Efficient and customer service are always helpful at times. Review collected by and hosted on G2.com. What do you dislike about CallTower? Managing your account can be confusing online. Review collected by and hosted on G2.com. What problems is CallTower solving and how is that benefiting you? CallTower has streamlined how our organization manages unified communications across multiple sites. We use it primarily for UCaaS and VoIP, which has allowed us to consolidate legacy phone systems into a single, cloud-managed platform. This has improved call reliability, reduced downtime, and simplified user management. The integration with Microsoft Teams has also made remote and hybrid collaboration seamless, cutting down on IT overhead and support tickets. Overall, it’s helped us maintain consistent communication quality and better control over costs. Review collected by and hosted on G2.com. Show More Response from Tonya W. of CallTower [Editedit](https://www.g2.com/survey_responses/calltower-review-11969166/official_response/edit) Thank you for taking the time to share your experience with us. We're glad to hear that our team’s efficiency and customer support have been helpful—delivering reliable assistance when you need it is something we truly value. We also appreciate your candid feedback about online account management. We’re continually refining our tools to make them clearer and easier to navigate, and insights like yours help guide those improvements. It’s great to know that CallTower has helped streamline your UCaaS and VoIP environment across multiple locations. Consolidating systems, improving reliability, and supporting seamless Teams integration are exactly the kinds of outcomes we aim to deliver, and we’re happy to see the impact it’s made for your organization. Thank you again for your partnership. We’re here to support you every step of the way. Current UserValidated ReviewerIncentivizedSource: Seller invite JH Justin H. 2/12/2026 "Seamless Switch with Top-Notch Support" 4.5/5 What do you like best about CallTower? CallTower was especially helpful in transferring our entire number block from our old system. They have an excellent, very fast, and very friendly support team. Their prices and service uptime are top notch. Review collected by and hosted on G2.com. What do you dislike about CallTower? I think the billing center for managing bills and invoices could use a little bit of love. The interface is just a little slow and clunky. It looks a little outdated. It's not particularly easy to navigate. And user management is a little iffy. Review collected by and hosted on G2.com. What problems is CallTower solving and how is that benefiting you? CallTower solves having an expensive and complicated PSTN through some other provider. Review collected by and hosted on G2.com. Show More Response from Tonya W. of CallTower [Editedit](https://www.g2.com/survey_responses/calltower-review-12349748/official_response/edit) Thank you for sharing your experience with CallTower! We're thrilled to hear that our support team provided top-notch service during your number transfer. Your feedback about the billing center is valuable, and we appreciate your input on ways we can improve. We'll definitely look into enhancing the interface for a smoother experience. If you need any assistance with billing or user management, please don't hesitate to reach out to our support team. We're here to help! Thank you for choosing CallTower to simplify your PSTN services. Validated ReviewerIncentivizedSource: G2 invite on behalf of seller ![Verified User in Computer Networking](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Networking") UC Verified User in Computer Networking Mid-Market (51-1000 emp.) 10/24/2025 "Straight forward setup and ease of use" 5/5 What do you like best about CallTower? I’ve been using CallTower with Webex for the past three years, and I truly appreciate the straightforward setup process, which was supported by a knowledgeable vendor. The platform is easy to use, which has been a real benefit in my day-to-day operations, and that same simplicity also carries over into the sales process, which has been especially helpful. CallTower has noticeably improved collaboration and communication across our team, saving us a significant amount of time, and I also value the service and availability it provides. Overall, these strengths are the main reasons I would be willing to purchase CallTower again. Review collected by and hosted on G2.com. What do you dislike about CallTower? So far, I haven’t come across anything negative. Review collected by and hosted on G2.com. What problems is CallTower solving and how is that benefiting you? I find that CallTower improves collaboration and communication, which helps us save time in our day-to-day operations. Review collected by and hosted on G2.com. Show More Response from Tonya W. of CallTower [Editedit](https://www.g2.com/survey_responses/calltower-review-11856488/official_response/edit) Thank you for being a loyal CallTower and Webex customer over the past three years! We’re so glad to hear the setup process was smooth and that our solutions have continued to make collaboration and communication easier for your team. It’s great to know you’ve seen real-time savings and value in the service. We truly appreciate your continued trust in CallTower! 2/12/2026 Validated ReviewerIncentivizedSource: Seller invite ![Doug O.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Doug O.") DO Doug O. 12/15/2025 "Efficient User Management and Quick Support" 4/5 What do you like best about CallTower? I really find CallTower easy to use, which makes user management a breeze. I like the quick and responsive support, as I often receive replies within an hour whenever I need to add a user. The convenience of having CallTower mostly handle the initial setup was a huge plus too. Review collected by and hosted on G2.com. What do you dislike about CallTower? When searching for users in the admin portal it doesn't always work immediately. You search a user from the home screen and get no results, so you have to click to the user screen for them to show up. Review collected by and hosted on G2.com. What problems is CallTower solving and how is that benefiting you? CallTower simplifies user and phone number management. Its ease of use and quick, responsive support make adding users seamless, often handling requests within an hour. Review collected by and hosted on G2.com. Show More Response from Tonya W. of CallTower [Editedit](https://www.g2.com/survey_responses/calltower-review-12093192/official_response/edit) Thank you for your thoughtful review! We’re delighted to hear that you find CallTower easy to use and that our quick, responsive support has made user management seamless for you. It’s great to know that the convenience of our initial setup process was a positive experience as well—making things easier for our customers is always our goal. We appreciate your feedback about the user search functionality in the admin portal. Your insights are incredibly valuable, and we’ll take this into account as we work to improve the platform’s usability and efficiency. Thank you for trusting CallTower to simplify your user and phone number management. If there’s anything else we can do to enhance your experience, please don’t hesitate to reach out! Validated ReviewerIncentivizedSource: Seller invite ![Don W.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Don W.") DW Don W. Help Desk Lead Mid-Market (51-1000 emp.) 12/15/2025 "Seamless Teams Integration and Unified Calling Experience" 5/5 What do you like best about CallTower? It is fully integrated with Teams. It is nice to have calling in one platform Review collected by and hosted on G2.com. What do you dislike about CallTower? When we moved the phone licensing from one group to another in Azure. The license was never removed from the user but CallTower disconnected all of our phones. Yes, your staff was helpful getting it reconnected, but it took a whole day. Review collected by and hosted on G2.com. What problems is CallTower solving and how is that benefiting you? Currently it is working great. We have not had any issues with it. The call quality is really good. Review collected by and hosted on G2.com. Show More Response from Tonya W. of CallTower [Editedit](https://www.g2.com/survey_responses/calltower-review-12092308/official_response/edit) Thank you for sharing your experience with CallTower! We appreciate your experience with a seamless integration with Teams and the unified calling experience. We apologize for the inconvenience you faced when moving phone licensing, but we're glad our staff was able to assist you promptly. We strive to provide excellent service and will work on improving our processes to prevent similar issues in the future. If you have any further feedback or need assistance, please don't hesitate to reach out. We're here to ensure you continue to enjoy the benefits of CallTower's reliable service and excellent call quality. Current UserValidated ReviewerIncentivizedSource: Seller invite TN tuan n. Mid-Market (51-1000 emp.) 5/18/2026 "Great Support, but Occasionally Slow" 5/5 What do you like best about CallTower? I love the support from CallTower. The support system really works well. Additionally, the initial setup of CallTower was easy. Review collected by and hosted on G2.com. What do you dislike about CallTower? Sometimes it's a bit slow. Review collected by and hosted on G2.com. What problems is CallTower solving and how is that benefiting you? CallTower helps my sales and customer support teams make phone calls effectively. Review collected by and hosted on G2.com. Show More Response from Tonya W. of CallTower [Editedit](https://www.g2.com/survey_responses/calltower-review-12831575/official_response/edit) Thanks for taking the time to share your feedback. We’re glad to hear the setup process was smooth and that our support team has been helpful along the way. That’s always a priority for us. We also appreciate your note about occasional slowness. That feedback is important, and we’ll continue working to improve the experience. Validated ReviewerIncentivizedSource: Seller invite ![Felix S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Felix S.") FS Felix S. Vice President, Enterprise IT Operations 11/17/2025 "Effortless Phone Solution with Seamless Setup" 5/5 What do you like best about CallTower? I like that CallTower's portal is incredibly easy to use and very useful, which enhances our experience and efficiency. Its implementation into our GCC high environment was very straightforward and seamless, requiring minimal effort for setup. The seamlessness of the setup process significantly contributed to a smooth transition. The service provided by CallTower solves the specific issue of needing a reliable phone system in an environment not typically supported by many other providers, offering us a unique solution that fits our needs perfectly. The overall usability and utility of CallTower are key reasons why I find it such an excellent service. Review collected by and hosted on G2.com. What do you dislike about CallTower? Nothing Review collected by and hosted on G2.com. What problems is CallTower solving and how is that benefiting you? CallTower provides us a reliable phone system in a GCC high environment, which many providers don't support, and the user-friendly portal enhances our experience. Review collected by and hosted on G2.com. Show More Response from Tonya W. of CallTower [Editedit](https://www.g2.com/survey_responses/calltower-review-11968450/official_response/edit) Thank you for sharing your positive experience with CallTower! We're happy to hear that our portal's ease of use and seamless setup process have enhanced your efficiency and overall experience. Providing a reliable phone system in a GCC high environment is a key focus for us, and we're delighted to have met your needs effectively. Should you ever have any questions or need further assistance, please don't hesitate to reach out. We appreciate your feedback and look forward to continuing to support your communication needs. Validated ReviewerIncentivizedSource: Seller invite JP Jacob P. Cloud Network Engineer Enterprise (\> 1000 emp.) 12/16/2025 "Seamless Migration to Teams Voice with Outstanding Project Management" 4.5/5 What do you like best about CallTower? Call Tower was a HUGE helped our enterprise organization migrate from Cisco Call manager to Teams voice. We migrated 2500 users within 6 months. We really appreciate the value the Call Tower Project Management Team provided to help us accomplish our goals. Review collected by and hosted on G2.com. What do you dislike about CallTower? They don't have a e911 service available for our remote user. Review collected by and hosted on G2.com. What problems is CallTower solving and how is that benefiting you? We are currently using Call Tower as our phone provider; it has only been a few months. So are so good. Review collected by and hosted on G2.com. Show More Response from Tonya W. of CallTower [Editedit](https://www.g2.com/survey_responses/calltower-review-12097814/official_response/edit) Thank you for sharing your experience! We’re thrilled to hear that your migration to Teams Voice was seamless, and that our Project Management Team played a key role in helping your organization transition 2,500 users in just six months. It’s always our goal to provide the support and expertise needed to achieve your goals efficiently. We appreciate your feedback regarding e911 services for remote users. This is an important area, and we’re actively exploring ways to enhance our offerings to better meet the needs of our customers. Your input is invaluable as we continue to improve. We’re delighted to be your phone provider and look forward to supporting your organization’s success. If there’s anything we can do to assist further, please don’t hesitate to reach out! Current UserValidated ReviewerIncentivizedSource: Seller invite ![Verified User in Information Technology and Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Information Technology and Services") AI Verified User in Information Technology and Services Enterprise (\> 1000 emp.) 12/15/2025 "Exceptional Nationwide Coverage and Support for Large Enterprises" 4/5 What do you like best about CallTower? CallTower has incredible coverage across the US. We work with CallTower supporting a Fortune 200 company in the retail space. We're in over 800 rate centers across over 1,400 locations. Their ability to support such a highly distributed footprint has been instrumental in our success. Review collected by and hosted on G2.com. What do you dislike about CallTower? There are two areas: some of their support systems need updating. We can only open tickets via email. Review collected by and hosted on G2.com. What problems is CallTower solving and how is that benefiting you? CallTower provides cost effective PSTN services tied into Webex Calling. Review collected by and hosted on G2.com. Show More Response from Tonya W. of CallTower [Editedit](https://www.g2.com/survey_responses/calltower-review-12092314/official_response/edit) Thank you for sharing your positive experience with CallTower's exceptional nationwide coverage and support for large enterprises. We appreciate your feedback regarding the support systems and ticketing process. We are continuously working to improve our systems and will take your comments into consideration for future enhancements. We are glad to hear that CallTower's ability to support a highly distributed footprint has been instrumental in your success. If you have any further concerns or feedback, please feel free to reach out to us directly. We are committed to providing top-notch service to all our customers. Thank you for choosing CallTower for your PSTN services tied into Webex Calling. 3/2/2026 Current UserValidated ReviewerIncentivizedSource: Seller invite ![Stacy W.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Stacy W.") SW Stacy W. Vice President, Finance & Administration Small-Business (50 or fewer emp.) 3/18/2026 "Reliable Teams Calling with Prompt Support" 4.5/5 What do you like best about CallTower? I appreciate how CallTower keeps our Teams calling up to date and working smoothly. They are quick to respond whenever I have concerns, and the team is nice. I also find the pricing fair, and the initial setup was very easy. Review collected by and hosted on G2.com. What do you dislike about CallTower? Sometimes the website is a little laggy. It could use a bit better user interface. Review collected by and hosted on G2.com. What problems is CallTower solving and how is that benefiting you? CallTower keeps our Teams calling updated and working. Review collected by and hosted on G2.com. Show More Response from Tonya W. of CallTower [Editedit](https://www.g2.com/survey_responses/calltower-review-12505851/official_response/edit) Thank you for your thoughtful feedback about CallTower. We're pleased to hear that our efforts to keep your Teams calling updated and running smoothly have been beneficial. It's great to know that you found the initial setup straightforward, and our support team responsive and helpful. We appreciate your note about the website's performance and user interface. Feedback like this helps us identify areas for improvement, and we’ll consider it as we continue to enhance our services. Thank you for choosing CallTower, and we’re here to assist whenever you need us! 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