# SMS Voice Infrastructure

Ranked by the Vioscale composite score: a confidence-weighted blend of independent signals, not user reviews.

| # | Software | Score | Confidence | Vendor |
|--:|---|--:|---|---|
| 1 | [Clickatell](https://www.vioscale.ai/software/clickatell) | 65.5 | 62% (medium) | - |
| 2 | [Amazon SNS](https://www.vioscale.ai/software/amazon-sns) | 52.1 | 47% (low) | - |
| 3 | [Kaleyra](https://www.vioscale.ai/software/kaleyra) | 8.7 | 3% (low) | - |

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*Source: Vioscale (https://www.vioscale.ai/categories/sms-voice-infrastructure).*