The issue is caused by one of these options:
To resolve this issue, perform these steps:
For more information about resolving Cisco CRA and Customer Response Solutions (CRS), refer to these documents:
Call connection (Connection quality: One-way audio, no busy tone, dropped calls, etc.)
Voice applications (CRS, PA, CCM Plugins, CER, CCC, MeetingPlace, etc.)
Drops out, times out, flaps, toggles, hangs, gets stuck, locks up, loops, temporary pause, stops responding, cuts short, etc.
IP Contact Center (IPCC) Express (formerly IP ICD)
IP contact center (IPCC) express