G2 Vendor Directory

Lumen Technologies vs. CallTower

Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.

CallTower

South Jordan, Utah, United States

MetricLumen TechnologiesCallTower
Avg. rating3.74.3
Total reviews42388
Review growth (QoQ)—+0.0%
Products on G231
Categories covered134
Best category rank#44 in Call Center Infrastructure (CCI)#16 in UCaaS Platforms
Small Business26.2%25.2%
Mid-Market52.4%63.3%
Enterprise21.4%11.5%