SMS Compliance Resources

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.

Explore Algeria SMS: compliance (ARPCE), features & best practices. Understand consent/opt-in (written/electronic), STOP/HELP keywords, & 8 AM-9 PM UTC+1 time restrictions. Includes concatenated SMS details (160 GSM-7 chars/segment), plus API integration (Twilio, Sinch, MessageBird, Plivo) examples.

SMS guide for American Samoa: Understand compliance (TCPA, CAN-SPAM), features (concatenated SMS), & sending restrictions. Two-way SMS is unsupported. Use E.164 formatting (+1684). Adhere to UTC-11 time zone. Includes code examples for Twilio, Sinch, MessageBird, Plivo.

Andorra SMS guide covering best practices, compliance, and features. Understand message length rules (160 GSM-7/70 UCS-2 chars), alphanumeric sender IDs, and consent. Explore SMS API integrations (Twilio, Sinch) and sending restrictions; landlines unsupported, error code 21614.

Angola SMS guide: compliance (Law 22/11), features, & best practices. Learn about alphanumeric sender IDs, message concatenation, & handling error code 21614. Understand consent, STOP commands (PARAR), time zones (WAT/UTC+1), plus Twilio, Sinch & MessageBird API integration details. Sending windows: 8AM-8PM WAT.

Anguilla SMS guide: Understand message features, compliance, & sending best practices. Two-way SMS is unsupported; concatenated messages use GSM-7 (160 chars) or UCS-2 (70 chars). Adhere to AST (UTC-4) for optimal delivery & implement HELP/STOP keywords for opt-out. Explore SMS API integrations.

Explore SMS capabilities in Antigua & Barbuda: message concatenation (160 GSM-7/70 UCS-2 chars), alphanumeric sender IDs. Understand consent rules per the 2016 Telecom Bill. Learn about long code support, restrictions on gambling content, and error code 21614 for landline SMS attempts.

A technical guide to Argentina SMS: compliance (ENACOM, PDPA), features (two-way SMS, concatenation: 160 GSM-7/70 Unicode chars), & sender options. Includes opt-in/out (STOP/AYUDA), number formatting (+54), plus API integration (Twilio, Sinch, Plivo) & error codes (21614, 21408) for developers.

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.

Explore Aruba SMS: compliance (BTP oversight), features, & best practices. Understand consent/opt-in, alphanumeric sender IDs, & message concatenation rules (153 GSM-7 chars). Includes code snippets for Twilio, Sinch, MessageBird & Plivo SMS API integrations. Two-way SMS is unsupported.

Explore Australia's SMS landscape: compliance (Spam Act 2003), features, & best practices. Learn about alphanumeric sender ID registration (5-day approval), concatenated message limits (160 GSM-7 chars), & handling error code 21614. Essential for developers.

Explore Austria's SMS landscape: compliance (GDPR/TKG), features (two-way SMS, concatenation), & best practices. Understand opt-in rules, Robinson List checks, & sender ID options. Includes API integration code snippets (Twilio, Sinch) and error handling. Landline SMS unsupported; error code 21614.

Explore Azerbaijan SMS: compliance, features & best practices. Understand alphanumeric sender IDs, consent rules (2yr retention), & opt-out cmds (STOP, DAYANDIR). Learn concatenated msg limits: 918 chars GSM-7 or 201 UCS-2. Review API integration & error handling for reliable SMS.

SMS guide for Bahamas: Understand GSM network specifics, encoding (GSM-7/UCS-2), & delivery. Explores 2-way SMS limitations, number portability, & URCA compliance. Includes Twilio, Sinch, MessageBird API integration & error codes. Send SMS using +1242 country code.

Explore Bahrain SMS: compliance (TRA, PDPL), features & best practices. Understand consent/opt-in rules, alphanumeric sender IDs, & concatenated message support. Includes code snippets for Twilio, Sinch, MessageBird, & Plivo SMS API integrations. Adhere to 8 AM - 9 PM (GMT+3) sending window.

A technical guide to SMS in Bangladesh, covering compliance, features, and delivery. Learn about sender ID registration (3-week approval for some), GSM-7 (160 chars) vs UCS-2 encoding, and two-way SMS limitations. Includes API integration examples (Twilio, Sinch) and BTRC guidelines.

Explore Barbados SMS: compliance (Mobile Telecommunications Code 2023), features, & best practices. Learn consent rules, sender ID options, & restricted content. Includes API integration examples like Twilio, Sinch, MessageBird & Plivo. Supports GSM-7 (160 chars) & UCS-2 (70 chars) encoding.

Belarus SMS guide: Understand message features like concatenated SMS (160 GSM-7 chars/segment, 70 UCS-2 chars). Learn compliance: explicit opt-in, STOP/???????? commands. Includes API integration (Twilio, Sinch) and error handling for reliable messaging to +375 numbers.

Explore Belgium SMS: compliance (GDPR, BIPT), features (two-way, concatenation), & best practices. Includes multilingual STOP/ARR??TER/STOPPEN keyword requirements. Learn about E.164 formatting (+32), alphanumeric sender IDs, & avoiding error code 21614 (landlines). API integration examples provided.

Belize SMS guide: Understand SMS features, compliance, & best practices. Supports concatenated SMS (160 GSM-7 or 70 UCS-2 chars). Two-way SMS unsupported. Includes code snippets for Twilio, Sinch, MessageBird, Plivo. Learn about +501 formatting & error handling.

Explore Benin SMS: compliance (ARCEP), features, & best practices. Supports 2-way SMS, concatenated messages (160 GSM-7 chars), but not landlines. Mandates double opt-in, STOP/HELP commands, & 8 AM-5 PM GMT+1 sending window. Alphanumeric sender ID pre-registration required.

Explore Bermuda (UK) SMS: compliance, features & best practices. Understand GSM-7/UCS-2 encoding, consent (opt-in/opt-out), & sending restrictions. Error 400/21614 details. Learn message length rules (160/70 chars), API integration & AST time zone specifics.

Bhutan SMS guide covering best practices and compliance. Understand sender ID options (alphanumeric supported), content restrictions, and opt-in requirements per BICMA. Explore SMS API integrations: Twilio, Sinch, MessageBird, Plivo. Note: Two-way SMS & MMS are unsupported; landline SMS yields a 400 error.

A technical guide to Bolivia SMS: Understand GSM-7 (160 chars) & UCS-2 (70 chars) encoding, plus 2-way SMS. Explore compliance (opt-in, STOP/AYUDA keywords), sender ID options (alphanumeric, shortcodes), & API integrations (Twilio, Sinch). Includes error codes and rate limits.

A technical guide to SMS in Bosnia & Herzegovina covering compliance (GDPR, opt-in/out: STOP, PRESTANI, OTKAZI), GSM-7/Unicode encoding (160/70 chars). Includes API integration (Twilio, Sinch, MessageBird), alphanumeric sender IDs, and error codes (400 response). Number portability is unavailable.

Explore Botswana SMS: regulations, features & best practices. Understand alphanumeric sender IDs, consent rules per BOCRA, & message encoding (GSM-7/UCS-2). Two-way SMS is unsupported. Includes Twilio, Sinch, MessageBird & Plivo API integration code examples. Avoid sending messages between 10 PM - 6 AM.

Explore Brazil SMS: compliance (LGPD, ANATEL), features (two-way, concatenated messages???160 chars/segment), & sender types. Understand consent, opt-out ('PARE'), time zones. API integration insights included.

Explore SMS best practices for the British Virgin Islands (VG, MCC 348). Learn about 2-way SMS limitations, concatenated message support (160 GSM-7/70 UCS-2 chars), and number portability. Understand consent rules, sender ID options (alphanumeric supported), restricted content, and API integrations (Twilio, Sinch).

Brunei SMS guide covering compliance, features, and best practices. Learn about alphanumeric sender IDs, message concatenation (160 GSM-7/70 UCS-2 chars), and AITI regulations. Includes opt-in (2yr min record), regulated hours (8AM-8PM UTC+8), plus Twilio/Sinch/MessageBird API integration.

Explore Bulgaria SMS: compliance (GDPR), features, & best practices. Understand GSM-7 (160 chars) vs UCS-2 (70 chars) encoding. Two-way SMS unsupported. Includes API integration code (Twilio, Sinch, Plivo) & error handling. Adhere to 9 AM-8 PM EET sending window.

Explore Burkina Faso's SMS landscape: compliance (ARCEP), features, & best practices. Understand GSM-7/Unicode encoding (160/70 chars), alphanumeric sender IDs. No 2-way SMS. Avoid error 21614 by not sending to landlines. Includes Twilio, Sinch, MessageBird API integration examples.

Explore Burundi's SMS landscape: regulations, features & implementation. Understand consent/opt-in (STOP, ARRET), alphanumeric sender IDs, & message encoding (GSM-7/UCS-2). Learn about time zone restrictions (UTC+2), delivery best practices, and API integrations for reliable messaging.

Explore Cameroon SMS: compliance (MINPOSTEL/ART), features, & best practices. Understand alphanumeric sender ID registration (~3 weeks), opt-in, & time zone (UTC+1). Two-way SMS unsupported. Includes Twilio, Sinch API integration examples.

Explore Cambodia SMS: compliance, features, & best practices. Understand sender ID registration (Smart Axiata requires pre-registration, 14-day provisioning), message encoding (GSM-7/UCS-2), & error codes (400 for landlines). Implement opt-in/opt-out; crucial for A2P SMS.

Explore Canada SMS: compliance (CASL, CRTC), features, & best practices. Understand consent, STOP/HELP keywords, & time zone rules. Includes message length (GSM 3.38: 136 chars), MMS (1MB limit), plus Twilio, Sinch, MessageBird, & Plivo API integration examples. Target reliable SMS strategies.

Explore SMS best practices for the Cayman Islands (KY): compliance (ICT Law 2017), features (concatenated SMS), & limitations (no two-way SMS). Includes number formatting (+1345), consent, alphanumeric sender IDs, plus Twilio/Sinch/Plivo API integration examples and error code handling. Ideal for technical implementers.

CAR SMS guide: Understand SMS sending, compliance (Law 18.002), & features. Supports concatenated SMS (160 chars GSM-7, 70 UCS-2). Two-way SMS unsupported. Includes Twilio, Sinch, MessageBird API integration code & error handling. Avoid 400 errors (code 21614) sending to landlines.

Explore Chad SMS: compliance (ARCEP), features & best practices. No 2-way SMS/concatenated msgs. Use GSM-7 (160 chars) or UCS-2 (70 chars). +235 country code. Incl. Twilio/Sinch/Plivo API code. STOP cmds req'd.

Explore Chile SMS: compliance (DPA, SUBTEL), features & best practices. Understand explicit consent, STOP/AYUDA commands & local time zones (CLT/CLST). Includes long code provisioning (1-2 days), content restrictions & API integration (Twilio, Sinch). Error code 21614 for landlines.

Explore China SMS: compliance, features & delivery. Understand strict regulations, consent (opt-in), & content rules. Two-way SMS unsupported. Max length: 500 chars/8 segments. Learn about error code 21614 (invalid number), time restrictions (8 AM-9 PM), & Chinese SMS APIs.

Explore Colombia SMS: compliance (Law 1581), features & best practices. Understand consent, opt-out (STOP/CANCELAR), & time zone (UTC-5) rules. Includes API integration (Twilio, Sinch), plus error codes (400 for landlines) & throughput rates (e.g. Twilio: 100 msg/sec). Target high SMS delivery.

Comoros SMS technical guide: Understand message encoding (GSM-7, UCS-2), sender ID options (alphanumeric, long code), & compliance with ANRTIC regulations. Learn about two-way SMS limitations, delivery best practices, and API integration, including error codes like 4001 (invalid number).

Explore SMS best practices in the Cook Islands (CK): This guide covers one-way messaging, encoding (GSM-7/UCS-2), & MMS via URL. Understand consent, opt-out (STOP), & time zone (UTC-10) rules. Includes API code examples and error handling for reliable SMS delivery.

Explore Costa Rica SMS: compliance (SUTEL), features & best practices. No concatenated SMS; MMS converts to SMS w/ URL. Use Spanish. International long codes OK. Adhere to 8 AM-8 PM CST sending window. Avoid 400 errors by not sending to landlines. Opt-out keywords: STOP, CANCELAR, NO.

Explore Croatia's SMS landscape: compliance (Electronic Communications Act & GDPR), features, & best practices. Understand consent, STOP commands, & sender IDs. Learn about 400 error code 21614 (landlines), message concatenation (160 GSM-7/70 UCS-2 chars), plus Twilio, Sinch, MessageBird, and Plivo API integration.

Understand Cuba SMS compliance: one-way SMS only; two-way not supported. Adhere to GSM 03.38 encoding & 160-char limit. Dialing code +53. Avoid Error 400 (21614) sending to landlines. Follow ETECSA's guidelines for optimal deliverability & compliance.

Explore Cyprus SMS: compliance (GDPR, OECPR), features, & best practices. Learn about alphanumeric sender IDs, Unicode support for Greek, & handling 400 errors. Two-way SMS is unsupported. Includes Twilio, Sinch API integration details.

A technical guide to SMS in the Czech Republic, covering regulations like Act No. 480/2004 Coll. and GDPR. Learn about consent (timestamp, source), STOP commands, alphanumeric sender ID pre-registration (3 weeks), message concatenation (160 GSM-7/70 UCS-2 chars), and error codes (e.g., 21614 for landlines).

DRC SMS guide: compliance, features, & best practices. Understand consent (explicit opt-in required), STOP/HELP commands (French & local languages), & sender IDs. Includes code snippets for Twilio, Sinch, MessageBird, & Plivo. Number portability is unavailable; landline SMS yields error 21614.

Denmark SMS guide: Understand DK SMS compliance (GDPR, Marketing Act), features (two-way SMS, concatenated messages), & sender types (alphanumeric IDs, long codes). Includes opt-in/opt-out ('STOP', 'AFMELD') guidelines, time zone (CET/CEST) considerations, plus API integration examples. Sending to landlines returns error 21614.

Explore Djibouti SMS: compliance, features, & best practices. A2P SMS is one-way only. GSM-7 encoding allows 160 chars/segment; UCS-2, 70. Use +253 country code. Includes Twilio, Sinch, MessageBird & Plivo API integration examples, error codes, & rate limits (100 msg/sec).

Explore Dominica's SMS landscape: message length is capped at 160 GSM-7 characters. Two-way SMS & MMS are unsupported; MMS converts to SMS with URLs. Adhere to AST/UTC-4 time zones. International long codes are viable; short codes aren't. Error 21614 indicates invalid numbers.

Explore Dominican Republic SMS: compliance (Law 172-13, 310-14), features & best practices. Supports 2-way SMS & concatenated msgs (160 GSM-7 chars). Avoid 400 error 21614 by not sending to landlines. Includes Twilio, Sinch, MessageBird & Plivo API integration examples.

Explore Ecuador SMS: compliance (ARCOTEL), features & best practices. Understand GSM-7/UCS-2 encoding, sender IDs, & delivery. Two-way SMS unsupported. Use +593 E.164 format. Avoid 400 errors. API integration: Twilio, Sinch, MessageBird, Plivo. Adhere to content restrictions.

A technical guide to SMS in Egypt covering compliance (NTRA), features, and delivery. Understand alphanumeric sender ID registration (~3 weeks), message concatenation (160 GSM-7 chars), and time-of-day restrictions (no marketing 21:00-09:00 GMT+02:00). Includes API integration code snippets and error handling.

Explore El Salvador SMS: compliance (SIGET), features & best practices. Two-way SMS unsupported. Adhere to CST (GMT-6) sending hours, respect opt-outs (STOP/AYUDA). Includes code examples (Twilio, Sinch) & API rate limits (e.g. Twilio: 250 msg/sec). Avoid error 21614.

Explore Equatorial Guinea's SMS landscape: compliance, features, & best practices. Understand GSM-7 (160 chars) & Unicode (70 chars) limits. Learn about consent, STOP commands (BAJA, ARR??TER), WAT (UTC+1) sending times (8AM-8PM), alphanumeric sender IDs, and error handling for reliable messaging.

Eritrea SMS guide: Understand SMS features, compliance, and sending best practices. Learn about message concatenation, encoding (GSM-7/UCS-2), and error code 21614. Includes API integration examples and rate limit details for reliable messaging to +291 country code.

Explore Estonia's SMS landscape: compliance (GDPR, TTJA), features (two-way SMS), & best practices. Understand consent (3yr record retention), STOP keywords, & time restrictions (8:00-20:00 EET/EEST). Alphanumeric Sender IDs supported; landlines are not.

Explore Ethiopia SMS: regulations, features, and best practices. Understand sender ID registration, one-way SMS limitations, and character encoding (GSM-7/UCS-2). Implement opt-in/opt-out (STOP/DAGA) and handle 400 error codes (21614 Twilio). Ideal sending window: 8 AM - 8 PM EAT. Max throughput: 10 SMS/second.

Faroe Islands SMS guide covering best practices and compliance. Understand GSM-7 (160 chars) & UCS-2 (70 chars) encoding, plus MMS to URL conversion. Learn about alphanumeric sender IDs, error code 21614 (landlines), consent, & message concatenation. Includes Twilio, Sinch, MessageBird, Plivo API examples.

Explore Fiji SMS: compliance, features & best practices. Understand GSM-7 (153 chars/segment) & Unicode (67 chars/segment). Handle 400 errors (code 21614) for landlines. Adhere to 8 AM - 6 PM FJT messaging window. Integrate Twilio (Sydney), Sinch, MessageBird & Plivo SMS APIs.

Explore Finland's SMS landscape: compliance (GDPR, Traficom), features (two-way SMS, concatenation), & best practices. Understand GSM-7 (160 chars) vs UCS-2 (70 chars). Learn about number portability, sender ID rules, plus avoid error 21614 (landlines). API integration examples included.

Explore SMS best practices for French Guiana (GF), an overseas region of France. Understand compliance with ARCEP/CNIL, consent rules, & time zone restrictions (GMT-3). Learn about alphanumeric sender IDs, supported encodings (GSM-7/UCS-2), and error code 21614 for landline attempts.

This guide details SMS best practices in French Polynesia (PF), covering compliance with ARCEP/CNIL regulations. Learn about GSM-7 vs UCS-2 encoding, +689 dialing code, alphanumeric sender ID support, and handling error code 21614 (invalid landline). Includes API integration examples and sending window guidelines (8 AM-8 PM FPT).

Explore Gabon SMS: compliance (ARCEP), features & delivery. Understand alphanumeric sender IDs, +241 formatting, & message concatenation. Review SMS API integration: Twilio, Sinch. Learn restricted content rules & best practices for 160-char SMS; respect UTC+1 timezone.

Explore Gambia SMS: compliance (PURA, DND registry, 8 AM-8 PM restrictions), best practices, & technical features. Alphanumeric sender IDs are supported. No two-way SMS. Error codes like 4001 (invalid number) covered. Includes Twilio, Sinch API integration examples.

Explore Georgia SMS: compliance (GNCC), features & best practices. Understand message length (160 GSM-7/70 Unicode), consent, & opt-out (STOP/????????????????????????). Includes API integration: Twilio, Sinch, MessageBird, Plivo & error codes (e.g., 21614). Learn alphanumeric sender ID rules.

Explore Germany's SMS landscape: compliance (GDPR, BDSG), features (two-way SMS, concatenation), & best practices. Understand consent, opt-out ('STOP'), & time zones (8:00-20:00 CET). Includes API integration (Twilio, Sinch), error handling, and carrier specifics for reliable SMS delivery. Focus on E.164 formatting (+49).

Explore Ghana SMS: compliance, features, and best practices. Understand alphanumeric sender ID registration (2-3 weeks), consent rules, and message length (160 GSM-7). Learn two-way SMS limitations, error codes (400 error 21614), plus API integration via Twilio, Sinch, MessageBird, Plivo.

Explore Gibraltar's SMS landscape: compliance, features, & best practices. Understand GSM-7 (160 chars) & Unicode (70 chars) limits. Learn consent rules aligned with GDPR. Discover API integration via Twilio, Sinch, MessageBird, & Plivo. Master E.164 formatting (+350XXXXXXXX).

Explore Greece SMS: compliance (EETT, GDPR), features & best practices. Understand alphanumeric sender ID registration, consent rules, & STOP command handling. Includes code snippets for Twilio, Sinch, MessageBird SMS APIs. Adhere to 09:00-20:00 sending window & avoid error 21614 by not sending to landlines.

Explore Greenland's SMS landscape: compliance, features & APIs. Understand GSM-7 (160 chars) & UCS-2 (70 chars) encoding. A2P two-way SMS is unsupported. Comply with GDPR; use alphanumeric sender IDs. Discover SMS API integrations with Twilio, Sinch, MessageBird, and Plivo.

Explore Grenada SMS: compliance (opt-in/opt-out), features, & best practices. Understand GSM-7 (160 chars) & UCS-2 encoding. No 2-way SMS or MMS; error 21614 for landlines. Use Twilio, Sinch, MessageBird APIs. Follow AST (UTC-4) timing. Ideal for technical users needing Grenada SMS details.

Explore Guam SMS: compliance (TCPA), features & best practices. Understand consent, STOP commands (English/Chamorro), & sending windows (UTC+10). Includes API integration (Twilio) & error codes.

Explore Guatemala's SMS landscape: compliance (explicit consent, STOP keywords), features (one-way SMS), & sending best practices. No 2-way SMS via A2P. Adhere to UTC-6. Use E.164 formatting. Handle error code 21614 (Twilio) for landline sends. Incl. API integration: Twilio, Sinch, MessageBird.

Explore Guernsey SMS: compliance (DPL 2017), features, & best practices. Understand consent rules, STOP commands, & time zone (GMT/BST) considerations. Learn about alphanumeric sender IDs, message concatenation limitations, error code 21614 (landlines), and API integrations.

Explore Guinea SMS: compliance (ARPT), features & best practices. Understand SMS limitations, sender ID pre-registration, & error codes (e.g., 21614). Includes code snippets for Twilio, Sinch, & MessageBird SMS API integration. Optimize SMS strategy for Guinea's mobile networks.

Explore Guinea-Bissau SMS: compliance, features & best practices. Understand MCC 632, +245 dialing code, & ARN regulations. No SMS allowed 10 PM-6 AM; max 3/day. Learn about alphanumeric sender ID registration (~3 weeks) & API integration.

SMS guide for Guyana: Understand GSM-7/UCS-2 encoding, sender ID options & compliance (Telecommunications Act). Implement one-way SMS for notifications. MMS converts to SMS w/URL. Error 400 code 21614 for landlines. API integration: Twilio, Sinch, MessageBird. 250/30/60 msg/sec rate limits.

Technical guide to Haiti SMS: Learn A2P messaging, compliance, and features. Two-way SMS is unsupported; use concatenated messages (160 GSM-7/70 UCS-2 chars). Includes CONATEL regulations, opt-in/out (STOP/ARRET/RETE), sender IDs, and API integration (Twilio, Sinch, MessageBird, Plivo).

Explore Honduras SMS: compliance (CONATEL), features & delivery. Two-way SMS unsupported; concatenated SMS & number portability supported. Use +504 country code. Includes code snippets for Twilio, Sinch, MessageBird & Plivo SMS APIs. Adhere to 8 AM-8 PM messaging window (UTC-6).

Explore Hong Kong SMS: compliance (UEMO, PDPO), features (two-way SMS), & best practices. Supports GSM-7 (160 chars) & UCS-2 (70 chars). Alphanumeric Sender ID pre-registration needed. Includes Twilio, Sinch, MessageBird API integration details.

Explore Hungary's SMS landscape: compliance (Act XLVIII of 2008), features & best practices. Understand consent, number portability, & 2-way SMS support. Includes error code 21614 for landline sends & time zone (CET/CEST) restrictions. Ideal for technical implementation.

Explore Iceland SMS: compliance, features & best practices. Understand GSM-7 (160 chars) & UCS-2 (70 chars) encoding. Learn opt-in/out (STOPP, HJ??LP) & sender ID rules. Includes API integration: Twilio, Sinch, MessageBird, Plivo & error code 21614 details.

Explore India's SMS ecosystem: compliance (TCCCPR, DLT), features & best practices. Understand GSM-7 (160 chars) vs UCS-2 (70 chars) encoding, DND scrubbing & TRAI guidelines. Includes API integration code snippets & error handling for reliable messaging.

Explore Indonesia SMS: compliance (Kominfo, UU PDP), features, & best practices. Understand alphanumeric sender ID registration (~3-4 weeks), consent, & opt-out (STOP/BERHENTI). Includes code examples for Twilio, Sinch, MessageBird, & Plivo SMS APIs. Max 160 chars/segment GSM-7 encoding.

A technical guide to SMS messaging in Iraq, detailing market conditions, features, and compliance. Understand GSM-7/UCS-2 encoding, alphanumeric sender IDs, and error 21614. Learn about consent, message concatenation, and API integrations with Twilio, Sinch, & MessageBird, plus rate limits (e.g., Twilio's 250 msg/sec).

Explore Ireland SMS: compliance (GDPR, ePrivacy), features (two-way SMS), & best practices. Understand GSM-7 (160 chars) vs UCS-2 (70 chars) encoding. Includes opt-in/out, sending windows (09:00-18:00 IST), number portability, plus API integration code (Twilio, Sinch). Avoid error 21614.

Explore Israel SMS: compliance (Privacy Protection Law), features & best practices. Includes Hebrew charset, consent rules, & time restrictions (IST 08:00-22:00). Supports 2-way SMS & concatenated messages (160 GSM-7/70 UCS-2 chars). API integration details provided.

Explore Italy SMS: compliance (AGCOM, GDPR), features, & delivery. Understand consent rules, STOP commands, & time restrictions (10 PM-8 AM prohibited). Includes API integration (Twilio, Sinch), error codes (400), & number portability. Ideal for developers needing Italian SMS.

Explore Ivory Coast SMS: compliance (ARTCI), features, & best practices. Understand 10-digit numbers, GSM-7/UCS-2 encoding, & alphanumeric sender ID registration (~3 weeks). Learn 2FA, concatenated message support, plus Twilio, Sinch & MessageBird API integration details.

Explore Jamaica's SMS landscape: compliance (FTC/OUR), features & best practices. Understand GSM-7 (160 chars) vs UCS-2 (70 chars) encoding, alphanumeric sender IDs. Includes Twilio, Sinch, MessageBird & Plivo API integration code examples & rate limits.

Explore Japan SMS: compliance, features, & best practices. Understand regulations from MIC/PPC, consent (opt-in/opt-out - ??????/STOP), & sending windows (9AM-8PM JST). Includes carrier rules (KDDI 5 segments max) and API integration (Twilio, Sinch, MessageBird, Plivo) examples.

Explore Jersey SMS: compliance (Data Protection Law 2018), features, and best practices. Supports 2-way SMS, concatenated messages (160 GSM-7/70 UCS-2 chars). Includes code snippets for Twilio, Sinch, MessageBird, Plivo SMS API integrations. Learn about alphanumeric sender IDs and throughput.

Explore Jordan SMS: compliance (TRC), features, & best practices. Learn about alphanumeric sender ID registration (~12 days), consent, & opt-out (STOP/????????). Sending limits: 100 msg/sec. Includes Twilio, Sinch, MessageBird API integration code examples.

A technical guide to Kazakhstan SMS: compliance, features & best practices. Understand sender ID registration (3 weeks), +7 number formatting, & time restrictions (9PM-9AM). Learn about message concatenation (160 GSM-7 chars), error codes (21614), plus API integration via Twilio, Sinch, MessageBird, & Plivo.

Explore Kenya SMS: compliance (Data Protection Act 2019), features, & best practices. Understand consent, opt-out (STOP, ONDOKA), & sender ID rules. Includes API integration code snippets & error codes (e.g., 21614). Time zone: 8 AM - 8 PM EAT.

Explore Kosovo SMS: compliance, features & best practices. Understand GSM-7/UCS-2 encoding, alphanumeric sender IDs, & error codes like Twilio's 21614. Includes API integration (Twilio, Sinch) & rate limits (e.g., Twilio: 100 msg/sec). Learn opt-in/opt-out (STOP, NDALO) & time zone rules.

Explore Kuwait SMS: compliance (CITRA, DND), features (concatenated SMS: 160 GSM-7 chars, 70 UCS-2 chars), & sender types (alphanumeric pre-registration). Learn API integration (Twilio, Sinch) & error codes (e.g., 21614). Target Kuwait's mobile messaging.

Explore Kyrgyzstan SMS: compliance (opt-in/out, STOP/????????), features (concatenation except Beeline), & sending best practices. Understand GSM-7 vs UCS-2 encoding. Avoid error 21614 by not sending to landlines. Adhere to GMT+6 time zone. API integration examples included.

Laos SMS guide: navigate A2P messaging. Understand GSM-7 (160 chars) & Unicode (70 chars) limits, sender ID registration (Unitel), & error codes (400). No 2-way SMS. Use +856 prefix. Implement opt-out keywords (STOP). Avoid gambling content. API rate limit: 30/second.

Explore Latvia SMS: compliance (GDPR, opt-in/out in Latvian/English), features (concatenated SMS, alphanumeric sender IDs), & error codes (Twilio 21614). Includes best practices for 371 numbers.

Explore Lebanon SMS: compliance (TRA), features, & best practices. Understand GSM-7 (160 chars) vs UCS-2 (70 chars) encoding. Alphanumeric sender IDs supported. Error 21614 on landlines. API integration: Twilio, Sinch, MessageBird. Rate limit: 30 msg/sec. STOP/???????? commands required.

Lesotho SMS guide: Understand mobile codes (MCC 651, +266), compliance (LCA), & message features. Two-way SMS unsupported. Use international long codes. Adhere to SAST (UTC+2) timing. Avoid gambling/adult content. API integration details included.

Explore Liberia SMS: regulations, features, and best practices. Understand consent/opt-in (HELP/STOP), sender IDs, & content restrictions. No two-way SMS support. Adhere to 8 AM-8 PM sending window. Error codes include 4001 (invalid number) and 4004 (content rejected).

Libya SMS guide covering best practices and compliance. Understand GSM-7/UCS-2 encoding, alphanumeric sender IDs, & handling 400 error codes. Learn about message concatenation, supported encodings for Arabic, & workarounds for MMS limitations. Essential for developers integrating SMS APIs.

Explore Liechtenstein SMS: compliance (GDPR, E-Privacy), features (concatenated SMS), & best practices. Understand +423 number formatting, consent, & opt-out. API integration: Twilio, Sinch, Bird. Avoid error 400 (21614) sending to landlines. Adhere to 08:00-20:00 CET sending window.

Explore Lithuania SMS: compliance (GDPR, RRT), features & best practices. Understand consent (STOP, SUSTABDYTI), alphanumeric IDs (max 11 chars), and EET sending times. Integrates Twilio, Sinch, Bird; includes code snippets & error handling. Target 160 GSM-7 chars or 70 UCS-2 chars.

Explore Luxembourg SMS: compliance (GDPR, CNPD), features, & best practices. Understand alphanumeric sender IDs, int'l long codes, & message encoding (GSM-7/UCS-2). Learn about consent (explicit opt-in), restricted content, and error codes (4xx/5xx). Sending window: 08:00-20:00 CET.

Explore Macao SMS: compliance, features, & best practices. Understand concatenated SMS (160 GSM-7/70 UCS-2 chars), alphanumeric sender IDs, & China Standard Time (UTC+8). Learn opt-in/out, restricted content, & API integration via Twilio (+853 E.164 format), Sinch, MessageBird, & Plivo.

Macedonia SMS guide: compliance, features, & best practices. Learn about consent (opt-in/out keywords like '????????'), alphanumeric sender IDs, & message concatenation (160 GSM-7 chars). Avoid error 21614 by not sending to landlines. Understand local time sensitivities (CET/CEST).

Explore Madagascar SMS: compliance (Interdepartmental Order 2471/2016), features, & best practices. Understand restrictions, sender IDs, & encoding (GSM-7/UCS-2). Learn about message concatenation, time-based limits (6 AM-10 PM UTC+3), and API integrations for reliable SMS.

Explore Malawi SMS: compliance (MACRA), features & best practices. Understand SMS marketing restrictions (8 AM-5 PM UTC+2), alphanumeric sender IDs, & error codes (21614). Implement retries.

A technical guide to SMS in Malaysia, covering compliance (PDPA, MCMC), features, and best practices. Understand 2-way SMS, concatenation (160 GSM-7/70 UCS-2 chars), DNC registry rules, and restricted content. Includes API integration code snippets and error handling for optimal delivery.

Explore SMS capabilities in the Maldives: GSM-7/UCS-2 encoding, alphanumeric sender IDs (no pre-registration). Understand compliance, including opt-in best practices. Two-way SMS is unsupported. See error code 21614 for landline sends. Includes Twilio, Sinch API integration examples.

Explore Mali SMS: compliance (AMRTP), features, & delivery. Understand GSM-7/UCS-2 encoding, sender ID rules, & message length (160/70 chars). Two-way SMS unsupported. Learn about SMS API integrations (Twilio, Sinch, etc.) & error codes like 21614 for landline errors.

Explore Malta SMS: compliance (GDPR, MCA), features & best practices. Understand alphanumeric sender IDs, concatenated SMS (160 GSM-7/70 UCS-2 chars), & error codes. Includes Twilio, Sinch, MessageBird & Plivo API integration examples. Two-way SMS not supported.

SMS guide for Marshall Islands: compliance, features & APIs. Understand regulations from NTA, supported encodings (GSM-7: 160 chars, UCS-2: 70 chars). Includes Twilio, Sinch & Bird API integration examples, plus error handling. Two-way SMS not supported.

Explore SMS best practices in Martinique (MQ): France's overseas territory. Understand GSM-7 encoding, compliance with ARCEP/CNIL, and message length limits. Two-way SMS is unsupported. Adhere to 8 AM-10 PM AST sending window; STOP/ARRETER required for opt-outs. Error code 21614 indicates landline SMS failure.

Explore Mauritania's SMS landscape: compliance, features, & best practices. Understand GSM-7 (160 chars) & Unicode (70 chars) limits. Learn about alphanumeric sender IDs, error code 21614 (landlines), consent, & opt-out (STOP/ARRET). Includes Twilio, Sinch, MessageBird & Plivo API integration.

Explore Mauritius SMS: compliance (ICTA, Data Protection Act 2017), features & best practices. Understand consent, opt-out, sender IDs, & message encoding (GSM-7/Unicode). Avoid 400 errors by not sending to landlines. Implement Twilio, Sinch, MessageBird, Plivo APIs.

Explore Mexico SMS: compliance (IFT, INAI, REPEP), features & best practices. Supports two-way SMS, concatenated messages (160 GSM-7 chars/segment). Avoid sending between 9PM-9AM. Includes Twilio, Sinch, MessageBird & Plivo API integration examples.

SMS guide for Micronesia: Understand message features, compliance, & delivery. No 2-way SMS; MMS converts to URLs. Use E.164 (+691) format. Avoid error 21614. Long codes supported.