isDnd (dnd.js)

Do-Not-Disturb window enforcement for Indian telecom compliance. TRAI (Telecom Regulatory Authority of India) restricts commercial voice calls to 09:00–21:00 IST. Calling outside this window on a DLT-registered DID risks carrier action against the trunk. Applies to *all* promot

// Source: https://github.com/Nuraveda-Labs/ai-voice-agent | License: MIT | Copyright 2026 ai-voice-agent contributors
// Provided via justclaw.it.com; keep this notice with the code.
/**
 * Do-Not-Disturb window enforcement for Indian telecom compliance.
 *
 * TRAI (Telecom Regulatory Authority of India) restricts commercial voice
 * calls to 09:00–21:00 IST. Calling outside this window on a DLT-registered
 * DID risks carrier action against the trunk. Applies to *all* promotional/
 * transactional voice traffic including order confirmations.
 *
 * Additionally we enforce our own buffer (09:05) to avoid clock-drift and
 * simultaneous-dial-storm risk at exactly 09:00:00.
 *
 * Policy: if the requested scheduledAt falls inside [21:00, 09:05) IST,
 * roll forward to 09:05 IST the next valid

... (truncated -- full source via MCP)