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XI vs Sideline
Looking at Sideline? Here is a side-by-side of product shape, apps, and XI’s published starting price ($17/user/30 days). Competitor list prices are only shown when they already appeared on this site.
| Feature | XI | Sideline |
|---|---|---|
| Network Architecture | We are a carrier, not a softphone | Resold softphone technology |
| Customer Support | Human response in < 60 seconds | Automated phone trees |
| Number Reputation | 100% clean IPs | Shared blacklisted routes |
| Connection Success | 99% of calls go through | Blocked by STIR/SHAKEN |
| Platform Stability | 99.99% guaranteed uptime | Unpredictable localized downtime |
| XI published price | $17/user/30 days | See vendor pricing |
Ready to make the switch?
Port existing numbers from Sideline to XI. See number porting or start from published plans.
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