Send scheduling
Send-at queues and timezone dispatch for campaigns — quiet-hour policy is a different hub.
Send Scheduling Hold Expires Before Send-At
Understand how IOSOR handles scheduled SMS dispatches when a prepaid balance hold expires before the send-at timestamp without silent drops.
Scheduling Timezone Dispatch and Queue Holds Before Production
Validate scheduled SMS dispatches, E.164 timezone offsets, and prepaid wallet holds before pushing live production workloads through the IOSOR console.
Send-at Queue Management is Not a Quiet-Hour Policy Engine
Learn why campaign send-at queues in IOSOR handle scheduled dispatches while compliance engines enforce quiet hours independently to prevent delivery violations.