Sent TeamMar 8, 2026 / sms compliance / Article

Armenia SMS Guide 2025: Send SMS, Register Sender IDs & API Integration

Explore Armenia SMS: compliance, features, and best practices. Understand GSM-7 (160 chars) & UCS-2 (70 chars) encoding. Two-way SMS is unsupported. Use E.164 formatting (+374). Learn about alphanumeric sender ID pre-registration (3 weeks) and avoid error code 21614 sending SMS to landlines.