Call ads (like on Meta) can enable callback requests to secure leads, according to Meta . Call Back | VoIP Phone System Features - Yeastar
Many systems allow customers to specify a preferred callback time, adding convenience, according to AMF and Dialpad . Common Use Cases: call back
High-volume call centers offer this to avoid long hold times, allowing callers to hang up and receive a call back when an agent is free. Call ads (like on Meta) can enable callback
Users can avoid international or long-distance roaming charges by having the system initiate the return call, saving up to 90% in some scenarios. Modern VoIP systems allow setting up call-back rules
Employees using personal phones to connect through corporate phone systems.
Replacing hold music with a scheduled return call.
Modern VoIP systems allow setting up call-back rules where the system captures caller information. In some contexts, this is also known as "Automatic Callback" or "Ring Again" for busy extensions, as seen on Cisco and Wikipedia .