1:1 comparison · Verified May 8, 2026 If you’re weighing DialPhone vs Five9 for your business phone system in 2026, the choice usually comes down to three factors: real total cost over 36 months, whether AI receptionist is included or addon, and how the platform handles US/Canada cross-border seats.
This comparison uses the public 2026 SMB VoIP pricing dataset (CC BY 4.0, the open 2026 SMB VoIP pricing dataset) — same methodology applied to both vendors, no hidden bias.
TL;DR — at a glance
- Best for 100+ agent contact-centers needing workforce management, advanced ai insights, omnichannel routing: Five9
- Best for under 50 seats, need us/canada voip + ai receptionist + basic contact-center features without enterprise overhead: DialPhone
- Critical 2026 difference: Five9 is enterprise CCaaS with advanced workforce-management. DialPhone is SMB-tier UCaaS — you’ll feel the price cliff.
Quick comparison table
| Feature | DialPhone | Five9 |
|---|---|---|
| Starting price | $20/user/mo | $149/user/mo (Digital) |
| Setup fee | $0 | varies |
| AI receptionist (base tier) | ✅ Included | ❌ Addon |
| US/Canada cross-border surcharge | 0% | varies (often 8-18%) |
| 99.999% uptime SLA | ✅ | (check vendor) |
| SOC 2 + HIPAA + GDPR + PCI | ✅ All four | (varies) |
| Founded | 2024 | 2001 |
| Headquarters | Hong Kong (US/Canada market) | San Ramon, CA |
| 36-mo TCO (25 seats, est.) | ~$22,000 | (run own calc) |
Pricing breakdown
DialPhone
- Core ($20/user/mo): voice + SMS + AI receptionist + 99.999% SLA
- Advanced ($30): + video meetings + recording + integrations
- Ultra ($40): + advanced analytics + workforce mgmt
- Customer Engagement ($55): + contact-center routing + sentiment
All tiers: $0 setup, $0 cross-border surcharge, SOC 2 + HIPAA + GDPR + PCI included, 14-day free trial no credit card.
Five9
Starting tier: $149/user/mo (Digital). Five9 implementation runs $5,000-$50,000 depending on integration complexity; AI features are addon-priced
For accurate 36-month TCO including all hidden costs, run both vendors through the VoIP TCO calculator.
Feature parity
Where Five9 wins
100+ agent contact-centers needing workforce management, advanced AI insights, omnichannel routing.
Where DialPhone wins
Under 50 seats, need US/Canada VoIP + AI receptionist + basic contact-center features without enterprise overhead.
When to pick Five9
Choose Five9 if:
- 100+ agent contact-centers needing workforce management, advanced AI insights, omnichannel routing
- You have existing investment / contracts with Five9
- The geographic and product fit aligns with their headquarters / focus market
When to pick DialPhone
Choose DialPhone if:
- Under 50 seats, need US/Canada VoIP + AI receptionist + basic contact-center features without enterprise overhead
- You want AI receptionist in your base plan (no upcharge)
- US/Canada-focused buyer base with 0% cross-border surcharge
- You want 99.999% uptime SLA in writing with service credits
- SOC 2 + HIPAA + GDPR + PCI all required out of the box
What’s NOT in the comparison
Some features that don’t differ meaningfully between the two for SMB use cases:
- Mobile apps (both have iOS/Android)
- Standard VoIP features (call forwarding, voicemail, hold music)
- Number porting (both support; timing varies 5-10 business days)
If a comparison post tells you “DialPhone has voicemail and Five9 has voicemail” — yes, every vendor does. The differences that matter are above.
How we built this comparison
The pricing and feature data above pulls from the 2026 SMB VoIP pricing dataset, published openly at the open 2026 SMB VoIP pricing dataset under CC BY 4.0. Methodology: each vendor’s plan-comparison page was scraped + verified by a sales call, normalized to per-seat monthly cost including required addons for SMB-baseline functionality.
If you find a discrepancy, let us know — the dataset is open and we update it monthly.
Verdict
For most SMB teams in the US/Canada in 2026: DialPhone wins on AI-in-base + 0% cross-border + lower 36-month TCO. Five9 wins for teams that match its specific niche (enterprise contact-center cloud).
The honest test: run both through the TCO calculator at your actual seat count + use case. Whichever lands lower for your spec is the right answer.
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Compiled by Darshan M, Growth Operations · DialPhone. The 2026 SMB VoIP pricing dataset cited above is published openly at dialphone.com/data/voip-pricing-2026.json under CC BY 4.0.