April 2026: Five9 Service Degradation – Call Performance and Connectivity Issues
CallTower's Five9 service experienced degradation for 1.7 hours, causing call delays, audio issues, slow browser performance, and connection problems for affected customers. Multiple customers reported these issues, prompting CallTower to open a master case and investigate with Five9 engineering as a top priority. The service was restored to normal operation through coordination with Five9 Engineering, with a root cause analysis to be provided within three business days.