| Feature | pay_as_you_go | premium | a | basic | general | premium | diamond | basic |
|---|---|---|---|---|---|---|---|---|
| Monthly price | $300.00 / month | $10.00 / month | $20.00 / month | $1.00 / month | $10.00 / month | $20.00 / month | $300.00 / month | $10.00 / month |
| Annual price | $3 000.00 / year | $1 000.00 / year | $200.00 / year | $100.00 / year | $100.00 / year | $2 000.00 / year | $3 000.00 / year | $1 000.00 / year |
| Fax included | — | ✓ | ✓ | ✓ | — | ✓ | ✓ | — |
| IM support | — | ✓ | — | — | — | ✓ | ✓ | — |
| Productivity tools | — | — | — | — | — | ✓ | ✓ | — |
| Voice analytics | — | — | — | — | — | ✓ | ✓ | — |
| Fraud protection | — | — | — | — | — | ✓ | ✓ | — |
| CRM integrations | — | — | — | — | — | ✓ | ✓ | — |
| Programmable APIs | — | — | — | — | — | — | ✓ | — |
| SSO support | — | — | — | — | — | — | — | — |
| Phone provisioner | — | — | — | — | — | — | — | — |
| Internal VPN support | — | — | — | — | — | — | — | — |
| Multiple SIP domains | — | — | — | — | — | — | — | — |
| Bring your own carrier | — | — | — | — | — | — | — | — |