Messaging Resources

SMS Compliance Resources

Explore resources and standards for SMS compliance and regulations.

This guide details 10DLC SMS registration, covering TCR brand/campaign vetting and MNO compliance. Learn about brand vetting scores (0-100), use cases like 2FA, and Authentication+. Essential for A2P messaging compliance and improved deliverability. Understand TCPA rules and MNO tier assignments.

A technical guide to Afghanistan SMS: sender ID registration, compliance (ATRA), & message features. Supports GSM-7 (160 chars) & UCS-2 (70 chars) encoding. Includes opt-out keywords (STOP, ??????). Avoid error 21614 by not sending to landlines.

Explore Albania SMS: compliance, features, & best practices. Understand GSM-7/UCS-2 encoding, alphanumeric sender IDs, & message length (160/70 chars). Learn about two-way SMS limitations, consent rules (STOP/NDALO), & integration via Twilio, Sinch, MessageBird, Plivo. Essential for A2P messaging.

Messaging Resources

Telecommunications Standards, SMS API Compliance, and more.

A guide on implementing SMS-based 2FA/OTP in a Node.js Express application using the Vonage Verify API, covering setup, API integration, error handling, and security.

A guide on creating a Next.js application to schedule appointments and send automated SMS reminders using Twilio's Message Scheduling feature, covering setup, frontend, API, database, and deployment.

A step-by-step guide to building a RedwoodJS web application that schedules and sends SMS appointment reminders using the Twilio Programmable Messaging API.

Phone Number Standards

Learn about international phone number formats, area codes, and validation.

This guide details Afghanistan phone number formats (+93), validation rules, and area codes (20-69). Learn mobile (07X XXXXXXX), landline (0AA XXXXXX) patterns with regex examples. Includes JavaScript validation snippets and error handling for robust implementations.

Explore ??land Islands phone number formats (+358): landline (18[1-8]X{3,6}), mobile (4[0-8]X{4,8}, 50X{4,8}, 4946X{2,6}), toll-free (800X{4,6}). Includes regex for validation, dialing codes, and ITU-T E.164 normalization.

Understand Albania's (+355) phone number system: formats, area/operator codes (2-5 digits), & validation. Includes geographic (0AA XXX XXXX) & mobile (06X XXX XXXX) patterns. Essential for developers needing E.164 formatting & regex for validation; covers toll-free (0800) & premium (0900) services.

Messaging Resources

Telecommunications Standards, SMS API Compliance, and more.

Explore Afghanistan's SMS API pricing (from $0.2211/SMS) & provider landscape. Compare costs from Twilio ($0.3756/SMS), Plivo, & local MNOs (AWCC, Roshan, MTN, Etisalat). Analyze coverage (75-98%), ATRA compliance, & API integration for optimal SMS delivery.

Explore Albania's SMS API pricing for 2025, covering regulations and provider options. Compare international rates from Twilio ($0.025/SMS) and Plivo ($0.06317/SMS). Understand local operator costs (0.05-1.00 ALL/message), technical factors like <500ms latency, UTF-8 encoding, and compliance with AKEP for optimal SMS implementation.

Explore Algeria SMS API pricing for 2025, comparing Plivo, Twilio, Sinch & Infobip. Understand international gateways vs. local operators (Djezzy, Ooredoo, Mobilis). Includes cost optimization, technical requirements like UTF-8, & volume discount tiers (e.g., 10k-100k SMS = 5-15% off).

Area Code Resources

Find resources related to area codes and their usage in different regions.

Explore NJ's Area Code 201: its role in the NANP since 1947, plus coverage details. Discover key cities like Jersey City & Hackensack. Understand the 7.92 million number pool, the 70% utilization rate, and the 551 overlay. Learn about major carriers and ten-digit dialing rules.

Explore Connecticut's area code 203, serving Bridgeport, New Haven & Stamford. Learn its history from 1947, the 475 overlay details, & 10-digit dialing mandates. Covers geographic reach, key telecom carriers like AT&T/Verizon, & PURA regulations. Includes lat/long coordinates.

Explore Alabama's area code 205: its coverage area, major cities (Birmingham, Tuscaloosa), and telecom infrastructure. Understand the 659 overlay & 10-digit dialing. Includes city coordinates (e.g., Birmingham: 33.52066, -86.80249), carrier landscape, & regulatory details for developers.

Legal Resources

Access legal guidelines and resources for telecommunications and messaging.

This document outlines a commercial license agreement, detailing terms between Sent, Inc. and a subscriber. It covers service access, permitted use cases, and initial/renewal terms (e.g., auto-renewal after initial term with 30-day notice). Fees and special product terms are also specified.

Last updated on 5/19/2025