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ISP Prepaid Billing — Activate Instantly, Bill in Advance

Manage prepaid broadband subscribers with validity-based plans, auto-expiry, wallet payments, instant activation, and grace period configuration.

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Reviewed by the NowaCRM ISP operations team Last updated: May 18, 2026

Quick answer

Prepaid billing is the fastest-growing model for Indian ISPs. Subscribers pay upfront, service activates instantly, and revenue is collected before service delivery. NowaCRM's prepaid billing engine handles validity-based plans, automatic expiry, wallet-based renewals, and seamless integration with RADIUS for instant activation.

01

Validity-Based Plans

Create prepaid plans with specific validity periods — 1 day, 7 days, 30 days, 90 days, 365 days. Each plan defines bandwidth, FUP limit, and price. Validity starts from activation date (or payment date for renewals). When validity expires, the subscriber is automatically moved to expired state.

02

Instant Activation on Payment

When a prepaid subscriber pays — via UPI, wallet, Razorpay, or cash — their service activates within seconds. NowaCRM sends a RADIUS CoA to the NAS, and the subscriber gets their full speed immediately. No manual intervention. For new activations, PPPoE credentials are created and the subscriber can connect immediately.

03

Auto-Expiry & Grace Period

The billing engine checks prepaid validity every 15 minutes (timezone-aware for your ISP location). When a plan expires, the subscriber is suspended automatically — RADIUS rejects their authentication, or a CoA reduces speed to zero. Configurable grace periods (1-7 days) allow subscribers to renew without losing their connection completely.

04

Wallet-Based Auto-Renewal

Subscribers with sufficient wallet balance can enable auto-renewal. When their plan approaches expiry, NowaCRM deducts the plan amount from the wallet, generates an invoice, and extends validity — all automatically. Subscribers can top up their wallet via the self-service portal anytime.

05

Prepaid Vouchers & Recharge

Generate recharge vouchers for offline distribution. Partners can sell vouchers and subscribers self-activate by entering the voucher code. Vouchers are plan-specific with unique codes and expiry dates. Track voucher generation, distribution, and redemption for complete accountability.

FAQ

Frequently Asked Questions

How does prepaid activation work?

When payment is received, NowaCRM instantly activates the subscriber via RADIUS CoA. The entire process — payment verification, invoice generation, and service activation — takes seconds.

What happens when a prepaid plan expires?

The subscriber is automatically suspended. RADIUS rejects authentication or CoA reduces speed. A configurable grace period (1-7 days) allows renewal before full disconnection.

Can subscribers auto-renew from wallet?

Yes. Subscribers with wallet balance can enable auto-renewal. Plan amount is deducted from wallet, invoice generated, and validity extended automatically.

Are prepaid vouchers supported?

Yes. Generate plan-specific voucher codes for offline distribution. Subscribers enter the code to activate their plan. Full tracking from generation to redemption.

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