Avaya Infinity vs Five9 (2026)
Both are quote-only enterprise contact centers with outbound campaigns. Avaya Infinity also deploys on-premise or hybrid.
Side-by-side
| Avaya Infinity | Five9 | |
|---|---|---|
| What it is | Enterprise contact center platform (cloud, hybrid or on-premise) with AI-driven proactive outbound campaigns. | Enterprise cloud contact center with predictive, progressive, power and preview dialing plus AI agents. |
| Published price | Quote only | Quote only |
| Pricing status | Quote only | Quote only |
| Pricing details |
|
|
| Checked on | Nov 1, 2026 | Nov 1, 2026 |
| Source | Avaya Infinity pricing (www.avaya.com/en/products/experience-platform) | Five9 pricing (www.five9.com) |
Which should you choose?
- Bottom line: Both are quote-only enterprise contact centers with outbound campaigns. Avaya Infinity also deploys on-premise or hybrid.
- Before you sign, get both vendors' current rate cards for your real volume. Per-minute, number and add-on fees usually decide the total.
- Not sure? Compare all tools in Dialers, or see the Avaya Infinity alternatives and Five9 alternatives.
Frequently asked questions
Is Avaya Infinity cheaper than Five9?
Avaya Infinity: Quote only. Five9: Quote only. Both are quote-only enterprise contact centers with outbound campaigns. Avaya Infinity also deploys on-premise or hybrid.
What's the main difference between Avaya Infinity and Five9?
Both are quote-only enterprise contact centers with outbound campaigns. Avaya Infinity also deploys on-premise or hybrid.
Are there other alternatives to Avaya Infinity and Five9?
Yes. See the full dialers table on CallStack, which lists every tool we track with published pricing.