Numbers / DID
Local and toll-free identity, rental reality, and JIT ordering.
Caller ID vs messaging From: voice live does not mean SMS live
Understand why operational voice readiness for numbers does not guarantee outbound SMS delivery. Prevent false green states in production.
DID recovery week: smoke A→B and lock the live From before production
Execute definitive A→B traffic tests and pin the exact sender address to secure your routes before live traffic rollout.
DID Recovery Week: Messaging Back Is Not the Same as Activated
Learn why an Activated status after a DID freeze does not mean messaging is working, and how to verify inbound and outbound SMS paths before re-assigning numbers.
DID incident week: messaging down is not Activated
How to handle your first DID messaging incident during an outage, manage prepaid holds without shop-stock fiction, and communicate honest statuses.
DID Second Month: Full MRC when the UTC Calendar Rolls
Understand the transition from initial prorated DID costs to the full monthly recurring charge (MRC) triggered by the UTC calendar roll on the 1st of the month.
DID invoice week: prorate rows vs full calendar month
Understand how the first DID invoice week splits setup and prorated rental costs versus standard full-month recurring charges in white-label CPaaS billing.
DID volume review: rent more vs expand the same numbers
Evaluate monthly DID volume scaling on your white-label CPaaS. Compare renting extra numbers versus maximizing utilization of existing inventory.
Second-country DID: handover before the next JIT order
Master cross-border DID handover protocols for international expansion without inventory locks, covering JIT flows and compliance gates.
DID pilot week: checks after the first JIT assign
Essential operational checks for your first week after JIT DID assignment, including DLR webhooks, messaging health, and balance management.
DID messaging readiness before production: profile, compliance, and catalog honesty
A rented, assigned DID is not a production SMS sender. Messaging profile, US 10DLC/TF verification, and catalog live vs in setup must align before an A2P blast.