# Purchase DIDs

Acquiring selected telecommunication numbers is processed via a highly straightforward one-click checkout step.

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## Checkout & Provisioning Lifecycle

The layout below traces how chosen candidates bind securely to active client accounts:

```mermaid
graph TD
    %% Cart
    subgraph CartStage["Shopping Cart Validation"]
        ItemCart["Selected Number Card<br/>(Pending USD Verification)"]
    end

    %% Checkout
    subgraph BillingTier["Payment Transaction Engine"]
        DeductWallet["Deduct Stored Balance<br/>(Applies First Month Fees)"]
    end

    %% Database Provisioning
    subgraph AllocationTier["Number Assignment Layer"]
        DbStore[("Active Subscriptions DB<br/>(Links DID to User Account ID)")]
    end

    %% Complete
    subgraph ActiveLine["Operational Number"]
        LineReady["Line Assigned Successfully<br/>(Ready for AppFlow Integration)"]
    end

    %% Links
    ItemCart ==>|"Submit Order"| DeductWallet
    DeductWallet ==>|"Payment Confirmed"| DbStore
    DbStore ==>|"Provision Telecom Route"| LineReady

    %% Beautiful Token Palettes
    classDef cartToken fill:#0f172a,stroke:#38bdf8,stroke-width:2px,color:#fff,rx:6px,ry:6px;
    classDef billToken fill:#312e81,stroke:#ec4899,stroke-width:2px,color:#fff,rx:6px,ry:6px;
    classDef lineToken fill:#065f46,stroke:#10b981,stroke-width:2px,color:#fff,rx:6px,ry:6px;

    class CartStage,ItemCart cartToken;
    class BillingTier,DeductWallet billToken;
    class AllocationTier,DbStore billToken;
    class ActiveLine,LineReady lineToken;
```

---

## Operational Provisioning Rules

### 1. Instant Global Ringing
Purchased Direct Inward Dialing (DID) connections unlock immediately inside central dashboard management tables, supporting immediate routing profile assignments without multi-day provisioning wait queues.

### 2. Auto-Renewal Subscriptions
Provisioned lines automatically lock into standard 30-day billing intervals. Active numbers recharge automatically to guarantee continuous uninterrupted customer calling accessibility.