# Top Free Call Center Infrastructure (CCI) Software ## How Many Call Center Infrastructure (CCI) Software Products Does G2 Track? **Total Products under this Category:** 365 ### Category Stats (Jul 2026) - **Average Rating:** 4.42/5 The average rating of products in this category, based on all submitted ratings - **Top Trending Product:** MyOperator (+0.24%) - Among all products in this category, MyOperator recorded the largest rating increase compared to last month _Last updated: July 22, 2026_ ## How Does G2 Rank Call Center Infrastructure (CCI) Software Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 40,100+ Authentic Reviews - 365+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. [ RingEX ](https://www.g2.com/products/ringex/reviews) By [RingCentral](https://www.g2.com/sellers/ringcentral) [ 4.2/5(1,415) ](https://www.g2.com/products/ringex/reviews) What do users say? Users consistently praise the ease of use and seamless integration of RingEX, which simplifies communication by consolidating calls, messages, and meetings into one platform. The reliable call quality Pros and Cons [ Ease of Use (216) ](https://www.g2.com/products/ringex/reviews?qs=pros-and-cons)[ Poor Customer Support (55) ](https://www.g2.com/products/ringex/reviews?qs=pros-and-cons) [ Nextiva ](https://www.g2.com/products/nextiva/reviews) By [Nextiva](https://www.g2.com/sellers/nextiva) [ 4.5/5(3,590) ](https://www.g2.com/products/nextiva/reviews) What do users say? Users consistently praise the product for its ease of use and reliable customer support, highlighting how it simplifies communication across devices. Many appreciate the intuitive interface and seamle Pros and Cons [ Customer Support (135) ](https://www.g2.com/products/nextiva/reviews?qs=pros-and-cons)[ Difficult Configuration (27) ](https://www.g2.com/products/nextiva/reviews?qs=pros-and-cons) [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) [ Aircall ](https://www.g2.com/products/aircall/reviews) By [Aircall](https://www.g2.com/sellers/aircall) [ 4.4/5(1,628) ](https://www.g2.com/products/aircall/reviews) What do users say? Users consistently praise the ease of use and seamless integration with CRM tools, which significantly enhances their workflow and productivity. The intuitive interface allows for quick access to feat Pros and Cons [ Ease of Use (228) ](https://www.g2.com/products/aircall/reviews?qs=pros-and-cons)[ Connection Issues (62) ](https://www.g2.com/products/aircall/reviews?qs=pros-and-cons) [ Genesys Cloud CX ](https://www.g2.com/products/genesys-cloud-cx/reviews) By [Genesys](https://www.g2.com/sellers/genesys) [ 4.4/5(1,556) ](https://www.g2.com/products/genesys-cloud-cx/reviews) What do users say? Users consistently praise the ease of use and robust integration capabilities of Genesys Cloud CX, highlighting its ability to streamline customer interactions across multiple channels. The platform's Pros and Cons [ Ease of Use (144) ](https://www.g2.com/products/genesys-cloud-cx/reviews?qs=pros-and-cons)[ Limited Features (58) ](https://www.g2.com/products/genesys-cloud-cx/reviews?qs=pros-and-cons) [ CloudTalk ](https://www.g2.com/products/cloudtalk/reviews) By [CloudTalk](https://www.g2.com/sellers/cloudtalk) [ 4.4/5(1,848) ](https://www.g2.com/products/cloudtalk/reviews) What do users say? Users consistently praise the ease of use and reliable call quality of CloudTalk, highlighting its intuitive interface that simplifies communication and call management. Many appreciate the seamless i Pros and Cons [ Ease of Use (328) ](https://www.g2.com/products/cloudtalk/reviews?qs=pros-and-cons)[ Call Issues (159) ](https://www.g2.com/products/cloudtalk/reviews?qs=pros-and-cons) [ Close ](https://www.g2.com/products/close/reviews) By [Close](https://www.g2.com/sellers/close) [ 4.7/5(2,050) ](https://www.g2.com/products/close/reviews) What do users say? Users consistently praise the ease of use and intuitive interface of Close, which simplifies lead management and sales processes. The platform's ability to integrate various communication tools into o Pros and Cons [ Ease of Use (819) ](https://www.g2.com/products/close/reviews?qs=pros-and-cons)[ Missing Features (244) ](https://www.g2.com/products/close/reviews?qs=pros-and-cons) [ JustCall ](https://www.g2.com/products/saas-labs-justcall/reviews) By [Saas Labs](https://www.g2.com/sellers/saas-labs) [ 4.3/5(2,389) ](https://www.g2.com/products/saas-labs-justcall/reviews) What do users say? Users consistently praise the ease of use and seamless CRM integration of JustCall, highlighting how it simplifies communication by centralizing calls and messages in one platform. The intuitive inter Pros and Cons [ Ease of Use (286) ](https://www.g2.com/products/saas-labs-justcall/reviews?qs=pros-and-cons)[ Call Issues (154) ](https://www.g2.com/products/saas-labs-justcall/reviews?qs=pros-and-cons) [ Voiso ](https://www.g2.com/products/voiso/reviews) By [Voiso](https://www.g2.com/sellers/voiso) [ 4.8/5(92) ](https://www.g2.com/products/voiso/reviews) What do users say? Users consistently praise the call quality and ease of use of the platform, highlighting its intuitive interface and seamless integration with various CRMs. The AI predictive dialer significantly enha Pros and Cons [ Reliability (42) ](https://www.g2.com/products/voiso/reviews?qs=pros-and-cons)[ Complex Processes (7) ](https://www.g2.com/products/voiso/reviews?qs=pros-and-cons) [ NiCE CXone ](https://www.g2.com/products/nice-cxone/reviews) By [NiCE](https://www.g2.com/sellers/nice) [ 4.3/5(1,730) ](https://www.g2.com/products/nice-cxone/reviews) What do users say? Users consistently praise the ease of use and intuitive interface of NiCE CXone Mpower, highlighting how it simplifies call management and enhances productivity. Many appreciate its ability to integra Pros and Cons [ Ease of Use (38) ](https://www.g2.com/products/nice-cxone/reviews?qs=pros-and-cons)[ Call Issues (14) ](https://www.g2.com/products/nice-cxone/reviews?qs=pros-and-cons) [ UJET ](https://www.g2.com/products/ujet/reviews) By [UJET](https://www.g2.com/sellers/ujet) [ 4.7/5(1,130) ](https://www.g2.com/products/ujet/reviews) What do users say? Users consistently praise UJET for its ease of use and intuitive interface, which streamline customer interactions and enhance productivity. The platform's ability to integrate multiple communication Pros and Cons [ Ease of Use (51) ](https://www.g2.com/products/ujet/reviews?qs=pros-and-cons)[ Slow Loading (14) ](https://www.g2.com/products/ujet/reviews?qs=pros-and-cons) [ SalesCaptain ](https://www.g2.com/products/salescaptain-inc-salescaptain/reviews) By [SalesCaptain](https://www.g2.com/sellers/salescaptain-0ad71d1f-2581-417b-b396-fc2e2582d6e6) [ 4.3/5(222) ](https://www.g2.com/products/salescaptain-inc-salescaptain/reviews) What do users say? Users consistently praise SalesCaptain for its ability to \*\*streamline communication\*\* and \*\*automate follow-ups\*\*, which significantly enhances productivity and ensures no leads are overlooked. The p Pros and Cons [ Automation (62) ](https://www.g2.com/products/salescaptain-inc-salescaptain/reviews?qs=pros-and-cons)[ Steep Learning Curve (40) ](https://www.g2.com/products/salescaptain-inc-salescaptain/reviews?qs=pros-and-cons) [ Maqsam ](https://www.g2.com/products/maqsam/reviews) By [Maqsam](https://www.g2.com/sellers/maqsam) [ 4.7/5(93) ](https://www.g2.com/products/maqsam/reviews) What do users say? Users consistently praise the ease of use and reliable call quality of Maqsam, highlighting its intuitive interface and effective support team that enhances their communication experience. Many apprec Pros and Cons [ Ease of Use (16) ](https://www.g2.com/products/maqsam/reviews?qs=pros-and-cons)[ Call Issues (8) ](https://www.g2.com/products/maqsam/reviews?qs=pros-and-cons) [ Ozonetel ](https://www.g2.com/products/ozonetel/reviews) By [Ozonetel](https://www.g2.com/sellers/ozonetel) [ 4.6/5(625) ](https://www.g2.com/products/ozonetel/reviews) What do users say? Users consistently praise Ozonetel for its user-friendly interface and seamless integration with various CRM systems, which enhances productivity and simplifies call management. The platform's robust Pros and Cons [ Ease of Use (134) ](https://www.g2.com/products/ozonetel/reviews?qs=pros-and-cons)[ Call Issues (61) ](https://www.g2.com/products/ozonetel/reviews?qs=pros-and-cons) [ Kixie PowerCall & SMS ](https://www.g2.com/products/kixie-powercall-sms/reviews) By [Kixie](https://www.g2.com/sellers/kixie) [ 4.8/5(865) ](https://www.g2.com/products/kixie-powercall-sms/reviews) What do users say? Users consistently praise the ease of use and seamless CRM integration of Kixie PowerCall & SMS, highlighting how it streamlines communication and boosts productivity. The platform's ability to au Pros and Cons [ Ease of Use (56) ](https://www.g2.com/products/kixie-powercall-sms/reviews?qs=pros-and-cons)[ Call Issues (21) ](https://www.g2.com/products/kixie-powercall-sms/reviews?qs=pros-and-cons) [ Connect ](https://www.g2.com/products/amazon-connect/reviews) By [Amazon Web Services (AWS)](https://www.g2.com/sellers/amazon-web-services-aws-3e93cc28-2e9b-4961-b258-c6ce0feec7dd) [ 4.4/5(91) ](https://www.g2.com/products/amazon-connect/reviews) What do users say? Users consistently praise the product for its ease of use and seamless integration with existing systems, making it a reliable choice for managing customer interactions. The intuitive interface and st Pros and Cons [ Ease of Use (11) ](https://www.g2.com/products/amazon-connect/reviews?qs=pros-and-cons)[ Complex Features (3) ](https://www.g2.com/products/amazon-connect/reviews?qs=pros-and-cons) [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. 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