Message lifecycle
Submit, queued, sent, then DLR — the path of one message, not a low-delivery playbook.
Queued Messages Must Hold Funds, Not Debit as Sent Units
Learn how IOSOR manages message queue states in the ledger. Queued SMS requests create a temporary balance hold rather than a committed debit until routing confirmation.
Queued vs Sent: One Message Path in IOSOR
Understand how finance and product share a unified state machine for SMS and OTP lifecycle stages, balancing prepaid holds and DLR status in IOSOR.
Message Lifecycle States vs Low-Delivery Playbooks
Understand the exact SMS state machine from submit to queued, sent, and DLR receipt, along with ledger holds, webhook callbacks, and platform rules.