SMS API
Delivery, routing, and operating SMS at scale.
DLR lag vs API accepted: stop burning prepaid on late receipts
Diagnose SMS delivery receipt lag versus API acceptance to protect your prepaid balances from unexpected losses during traffic spikes.
SMS recovery week: fail-rate stop and first-24h caps after reopen
Master prepaid CPaaS SMS recovery protocols. Prevent carrier blocks after outages using automated fail-rate tripwires, strict 24-hour volume caps, and JIT ledger holds.
SMS recovery week: reopen the corridor only with fresh DLR proof
Safely reopen an SMS corridor after an incident using heartbeat probes, fresh DLR verification, and controlled scaling on IOSOR.
SMS incident week: freeze send before the corridor looks 'still live'
Handle your first real SMS incident post-month two: immediate freeze, honest DLR reporting without fake delivered marks, and transparent tenant trust.
SMS Second Month: Mastering the UCS-2 Habit
Transitioning from initial billing surprises to operational habits regarding UCS-2 encoding and segment accounting in IOSOR.
SMS invoice week: when segment math and the bill disagree
Resolve discrepancies between calculated SMS segments and actual prepaid debit rows on your first heavy invoice week.
SMS volume review: when the prepaid pilot is no longer enough
Learn how to handle escalating SMS volume near USD 1,000/month in a white-label CPaaS ecosystem without reverting to legacy rate card negotiations.
SMS second corridor: handover owners before you add volume
Learn how to structure ownership when launching a second SMS corridor on your white-label platform before scaling traffic.
SMS Pilot Week: Live Traffic Checks After Go-Live
Learn how to monitor delivery receipts, balance debits, and STOP compliance during your SMS pilot week on IOSOR's white-label CPaaS platform.
MMS burns prepaid differently than SMS: size, units, and honest estimates before send
Attachment bytes, media-type limits, caption encoding (GSM-7/UCS-2), and per-destination MMS unit rates hit the wallet before delivery proof. Finance must estimate before blast, not reconcile from «messages sent».