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Comprehensive analysis of support quality, response times, reliability metrics, and service level agreements
Based on data from 31 providers.
| # | Provider | Weekday Hours | Weekend Hours | Timezone | After Hours | Email SLA | Phone SLA | Chat SLA | Actions |
|---|---|---|---|---|---|---|---|---|---|
| 1 | C Chatti | 24/7 | 24/7 | AEST (Brisbane) + London + Los Angeles | Available | 2h | 1m | 1m | |
| 2 | M MTMO | 24/7enterprise coverage | 24/7enterprise coverage | AEST with Global Coverage | Available | 1h | 1m | 1m | |
| 3 | K Kudosity | 24/7(Tier 1); 9am-5pm AEST excl. public holidays (Tier 2/3) | 24/7(Tier 1 only) | AEST | Available | 1h | 60m | 5m | |
| 4 | S SMSGlobal | 24/7 | 24/7 | AEST (Melbourne) | Available | 4h | 30m | 5m | |
| 5 | S Sinch | 24/7P1/P2; 8am-4:30pm EET P3/P4 | 24/7for P1/P2 critical incidents only | EET / AEST (AU via MessageMedia) | Available | 4h | 15m | 5m | |
| 6 | I Infobip | 24/7 | 24/7 | Local | Available | 2h | 5m | 2m | |
| 7 | P Plivo | 24/7 | 24/7 | Global (follows-the-sun) | Available | 24h | Immediate | 5m | |
| 8 | C ClickSend | 24/7 | 24/7 | Global | Available | 2h | 30m | 1m | |
| 9 | M MessageMedia | 9am-5pmAEST (phone); 24/7 (live chat, email) | Live chat and email only | AEST | Available | 24h | 120m | 10m | |
| 10 | B Bird | Varies by tierCoach 9am-5pm, Coach+ 7am-7pm, Business/First Class 24/7 | Varies by tierCoach none, Coach+ none, Business/First Class 24/7 | Global (Amsterdam/Singapore/Sydney) - specific tie | Available | 24h | Immediate | 5m | |
| 11 | T Twilio | 24/7(paid plans); web tickets only on Developer plan | 24/7for paid plans (Production, Business, Personalized) | Global (24/7 coverage for paid tiers) | Available | 72h | Immediate | 5m | |
| 12 | AS Amazon SNS | 24/7(paid plans); Community/docs only (Basic tier) | 24/7(paid plans) | Multiple (US-based primary support) | Available | 24h | 5m | 5m | |
| 13 | T Telnyx | 24/7 | 24/7 | UTC (Global 24/7) | Available | 24h | Immediate | 5m | |
| 14 | V Vision6 | 9am-5pmAEST | No weekend support | AEST | No | 24h | Immediate | 5m | |
| 15 | T Textmagic | 9am-3am(US Eastern) | 12pm-6pmAEST | US Eastern (EST/EDT) | Available | 24h | 30m | 5m | |
| 16 | C Clickatell | 24x7x365 | 24x7x365 | US/SA timezones | Available | 24h | Immediate | 5m | |
| 17 | N Notifyre | 8am-5:30pmAEST | None | AEST | No | 24h | Immediate | 5m | |
| 18 | MM Mobile Message | 9am-5pm | Not available | Melbourne/Sydney Time (AEDT/AEST) | No | 24h | Immediate | 5m | |
| 19 | V Vonage | 24/5 (Essentials); 24/7Premium/Enterprise | Saturday-Sunday covered by Premium/Enterprise plans only | US Eastern Time (documented), Timezone varies by p | Available | 24h | Immediate | 5m | |
| 20 | C Cellcast | 24/7 | 24/7 | AEST (Australian Eastern Standard Time) | Available | 24h | Immediate | 5m | |
| 21 | T touchSMS | Business hours | Limited | AEST | No | 24h | Immediate | 5m | |
| 22 | E Esendex | 09:00-17:30 AEST | Limited | AEST | Available | 24h | Immediate | 5m | |
| 23 | SB SMS Broadcast | 9:00-17:00 | Limited | AEST | No | 24h | Immediate | 5m | |
| 24 | T Telstra | 8am-7pmAEST Mon-Fri | None24/7 enterprise faults | AEST | Available | 24h | Immediate | 5m | |
| 25 | 8 8x8 | Follow-the-sun modelUS 5am-6pm PST, Europe 8am-6pm GMT, APAC 9am-6pm SGT | 24/7for premium tiers (Access and above) | Multi-region: PST (US), GMT (Europe), SGT (APAC) | Available | 24h | Immediate | 5m | |
| 26 | G GuniSMS | 24/7 | 24/7 | AEST | Available | 24h | Immediate | 5m | |
| 27 | SE SMS Express | Business hours7 days/week implied | Availablehours not specified | AEST | No | 24h | Immediate | 5m | |
| 28 | T TallBob | Business hoursnot specified publicly | Not publicly specified | AEST/AEDT | No | 24h | Immediate | 5m | |
| 29 | B BulkSMS | Business hoursexact times not publicly specified | Not specified | South Africa (SAST UTC+2) and UK (GMT/BST) | Available | 48h | Immediate | 5m | |
| 30 | I IntelliSMS | Business Hours | Limited | AEST | No | 24h | Immediate | 5m | |
| 31 | T Texto | Business Hours | Limited | Local | No | 24h | Immediate | 5m |