SIPSTACK vs Aircall
Aircall and SIPSTACK both offer a cloud phone system with AI voice agents. Aircall prices its AI voice agent as a separate usage-based tier. Every paid Nova plan can use the Aura AI voice agent. Pro includes 5 and Ultra 25 voice-agent minutes per user each month; other minutes are billed per minute. Here is how the two compare on what each company publishes.
SIPSTACK and Aircall at a glance
Published facts as of 21 October 2026.
| Feature | SIPSTACK | Aircall |
|---|---|---|
| Pricing entry point | Nova Core from $19 USD or C$22 per user per month, billed monthly; on annual billing, $15.20 USD or C$17.60 per user per month equivalent ($182.40 USD or C$211.20 per user per year) (as of October 2026). Flare business texting from $49 USD or C$67 per month, flat, billed monthly. | Essentials from $30 USD per license per month billed annually, with a 3-license minimum (as of October 2026). Professional is $50 USD billed annually; Enterprise is custom (25+ licenses). Monthly billing costs more; annual billing saves 25%.[2] |
| AI voice agent included? | Yes. Every paid Nova plan can use the Aura AI voice agent. Pro includes 5 and Ultra 25 voice-agent minutes per user each month (Core none); beyond that, minutes are $0.12 USD or C$0.15 each, paid from a prepaid Aura balance. | Sold separately: AI Voice Agents is a standalone product from $100 USD per month. Pay-as-you-go is $0.49 USD per minute ($0.39 above 2,500 minutes), or prepaid bundles of 500 minutes for $175 and 2,500 for $725. New accounts get 100 minutes at signup, then 50 free minutes each month.[2][3] |
| PBX and desk-phone support | Yes. Full cloud PBX (ring groups, call queues, IVR menus). Yealink and Polycom desk phones are auto-provisioned, and any SIP-compatible phone works, as do the Pulse mobile apps. | Built around its desktop and mobile apps. SIP desk phones can be enabled on request through an account manager, without transfer, hold, feature keys, BLF or voicemail notifications, and Aircall does not assist with their setup.[5] |
| Business SMS / 10DLC | Yes. Nova Pro and Ultra include SMS/MMS. Flare is a dedicated business texting product, and all Flare plans include basic 10DLC compliance. | SMS and MMS are included from Essentials (MMS on US, Canadian and Australian numbers). Texting US numbers from US or Canadian numbers requires A2P 10DLC registration: a $4.50 or $46 USD one-time brand fee, $15 per vetting attempt and a monthly campaign fee.[2][4] |
| Canadian billing (CAD) and data residency | Prices in CAD or USD. Call recordings and voicemail are stored in Canada if you are billed in CAD, or in the US if you are billed in USD. Cross-border data flows are listed in our privacy policy. | US pricing is shown in USD; CAD pricing: not published. The AI receptionist page says call transcripts and recordings are stored in the EU; Canada is not mentioned.[2][3] |
| Free trial | 14-day trial on Nova Pro and Flare Pro. | Offered as "Get free access". Trial length and card terms are not published.[2] |
| Contract terms | No long-term contracts. All plans are month-to-month. Annual plans offer discounts but are still cancel-anytime. | The AI receptionist page states no contract, no minimum usage, cancel anytime. Annual billing saves 25%. Contract terms for seat plans: not published.[2][3] |
"Not published" means we did not find the fact on the pages listed under Sources. It does not mean the feature is missing.
Sources, checked 21 October 2026
- Aircall homepage: https://aircall.io/
- Aircall pricing: https://aircall.io/pricing/
- Aircall AI receptionist: https://aircall.io/products/ai/ai-receptionist/
- Aircall Help Center: A2P 10DLC registration: https://support.aircall.io/hc/en-gb/articles/11779448156317-How-do-I-register-to-use-A2P-10DLC-messaging
- Aircall Help Center: using SIP devices: https://support.aircall.io/hc/en-gb/articles/19235373371677-Using-SIP-Devices-Physical-Phone-with-Aircall
Where Aircall fits better
Aircall says its AI receptionist stores data in the EU from day one, which matters to European teams. SIPSTACK stores recordings and voicemail in Canada or the US only.
Aircall’s AI receptionist page lists 38 languages, more than the 10 SIPSTACK supports, and its annual-billing discount is 25%.
If you want an AI voice agent built into your phone system, prices in CAD or USD, and call recordings and voicemail stored in Canada when you are billed in CAD, SIPSTACK is built for that.
Try SIPSTACK for yourself
14-day trial on Nova Pro and Flare Pro. No long-term contracts.
No long-term contract
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Dialpad, Aircall, Quo and OpenPhone are trademarks of their respective owners. SIPSTACK is not affiliated with, sponsored by or endorsed by them. Competitor details come from their public websites on the date shown and may have changed since. Prices exclude taxes and regulatory fees.