A Sovereign Voice AI Appliance for Single-Location and Small-Chain Restaurants
A SARAH Spark 2 appliance, deployed in a single-location or 2-3 location restaurant, answers phone takeout calls, books reservations, handles delivery dispatch, captures loyalty enrolments, and provides 24/7 customer service in 17 languages. The appliance is federated with 140+ restaurant connectors including Toast, Square, Lightspeed, OpenTable, Resy, DoorDash, UberEats, and Punchh.
34,792,085 Enterprise Features, Connectors & APIs Included. Zero borrowed codes.
SARAH · The Voice
Voice Conversational AI + Super Smart Reasoning Engine + Orchestrator + The Doer.
SARAH Spark 2 is the compact on-premises appliance that runs both SOPHIA and SARAH for solo practitioners and single-location operators. Two concurrent calls · full stack · everything the larger DGX B300 Enterprise tier provides, sized to a single practice.
SARAH Spark 2 · Restaurants
$2,000 / month · 2 Concurrent Voice Calls
financed over 36 months · includes maintenance + support · or $60,000 outright · 36-month Global Replacement Warranty
Productivity correlates with sick days, family emergencies, holidays
Hours of operation limited by shift length
Phones unanswered after-hours and during peak in-person traffic
SARAH Spark 2 Appliance
$2,000 / month
36-month financing · maintenance + support included · or $60,000 outright
2 concurrent voice calls · sufficient for a solo practice or single-location operation
24 × 7 × 365 availability · no scheduled downtime
Zero attrition · no ramp · no hiring overhead
17 spoken + 23 written languages out of the box
30-day implementation from contract execution to first live call
Single capital asset · 36-month Global Replacement Warranty
Practice owns the appliance and the model weights
No metering · no per-call fee · no per-token tariff
Full audit log per call · per prompt · per output
Year 4 onward: marginal cost approaches zero (capex amortised)
The monthly investment is half what a single receptionist costs. The operational capacity, availability profile, and consistency profile are materially different. SARAH Spark 2 augments existing staff; the workforce-equivalence comparison is provided for budget-comparison purposes.
2
Concurrent voice calls
140+
Restaurant connectors
PCI-L1
TCPA + DNC ready
<50 ms
On-prem first-word
Why Now · Restaurants
Six structural forces moving solo practitioners and small-location operators toward a sovereign on-premises voice AI appliance this fiscal year.
Phone takeout remains the leakiest revenue line in restaurants
Industry data: approximately 60% of US restaurant phone takeout demand is unanswered because the front-of-house labour is in the dining room. Spark 2 answers every call in 400ms, takes the order, posts to Toast / Square, charges the card, fires the ticket.
DoorDash + UberEats commission is 25-30% per order
Each percentage of marketplace volume shifted to direct ordering moves materially through the unit P&L. Spark 2 owns the phone channel.
Reservation no-show is 15-20% of bookings
Spark 2 calls every reservation 4 hours prior, confirms or rebooks, releases the table to the waitlist on cancellation.
Single-location operators run 8-12 SaaS subscriptions
POS + reservations + online ordering + reviews + loyalty + marketing - each at a separate vendor and monthly bill. Spark 2 consolidates the voice channel across all of them at one $2,000/month line item.
Staff retention is structurally difficult in single-location restaurants
Front-of-house turnover in single-location operations exceeds 50%. Spark 2 handles the voice workload that does not benefit from a human server.
Drive-thru voice AI for QSR is becoming standard
Major QSR chains are piloting voice-AI drive-thru. Independent operators can match the capability with Spark 2 at $2,000/month versus enterprise-vendor monthly subscriptions.
The ROI Math · Restaurants
Year-one P&L impact of deploying SARAH Spark 2 in a typical single-location restaurants practice. Numbers below are conservative midpoints.
Line item
Status quo
SARAH Spark 2
Annual delta
Phone takeout capture (60% currently missed · $12k/mo lost takeout)
$144k / yr lost
$0 lost
+$144k / yr
DoorDash / UberEats commission shift to direct (30% recapture)
$75k / yr cost
$0 incremental
+$75k / yr
Reservation no-show recovery (5% lift on 18% no-show base)
baseline
+$32k / yr
+$32k / yr
Front-of-house labour redeployed to higher-value work
Restaurants Connectors · Live in the SARAH AI Suite
116+ restaurants connectors ship live in the SARAH AI Suite. Every connector is owned by us - no third-party intermediary, no rate-limited Connect API, no per-call fee. Add yours during week 3 of onboarding at no incremental cost.
Age-verification prompts. After-hours service window enforced. Local-licensing rules.
GDPR + CCPA
Privacy
Guest DSAR handled in-call. Right-to-erasure. Loyalty data minimisation.
Local Health Department
Municipal Health
Permit + inspection reminder workflows.
Tip Reporting
IRS 8027
Tip aggregation tied to FOH transactions. IRS 8027 ready.
SARAH Spark 2 vs. Cloud Voice-AI Services · 5-Year Comparison
The principal alternatives in the small-business voice-AI market are cloud-AI services (typically per-minute or per-call metered) or single-purpose phone-AI vendors (ConverseNow, Kea, Bobcaat, Hi Auto, etc.). The table below compares those services against a sovereign SARAH Spark 2 appliance over a 5-year horizon.
Lever
Cloud / Single-Purpose Voice AI
SARAH Spark 2 (on-premises)
Monthly cost (typical small-practice tier)
$400 - $1,200 / month per use case
$2,000 / month all-in (or $60,000 outright)
Cost per voice minute
$0.10 - $0.30
$0 (capex paid)
First-word latency
400 - 1,200 ms (cloud round-trip)
<50 ms (on-premises)
Data residency
Vendor decides
Your practice · your jurisdiction
Sovereignty
Multi-tenant SaaS
Single-tenant · physically yours
Customisation of voice / persona / workflow
Limited to vendor's templates
Full · your brand voice and operational vocabulary
Use-case coverage
Typically 1-2 use cases per vendor
Reception, scheduling, refills, follow-up, surveys - all in one appliance
5-Year TCO at single-location practice
$30,000 - $90,000+ per use case
$72,000 (financed) or $60,000 outright total
Year 4 marginal cost (after financing)
Same monthly bill · indexed up
$0 capex · maintenance optional
Privacy posture (HIPAA, state med-records, PII)
BAA at vendor's discretion
Practice retains all data · BAA executed
30-Day Implementation Schedule
From contract execution to your first live call in 30 calendar days. The schedule below is the standard small-practice deployment.
01
Week 1 · Sign + Site
Contract signed · install scheduled
Onboarding kickoff Day 1. Brief site survey (power outlet, network drop) completed Day 3. SARAH Spark 2 appliance ships Day 5.
02
Week 2 · Install
SARAH Spark 2 delivered + commissioned
Appliance on the counter or under-desk Day 8. Network + phone-system tie-in Day 9. Voice stack burned in Day 10-12.
03
Week 3 · Connectors
Practice systems mapped + tested
Your EHR / PM / POS / scheduling system wired up Day 15-19. Voice persona tuned to your brand Day 16-18. End-to-end rehearsals Day 19-21.
04
Week 4 · Go-Live
First live calls
Soft go-live Day 22 with after-hours calls. Production traffic Day 25. Day 31: full operation with our engineering team on call.
SARAH Spark 2 · The Compact On-Premises Voice Appliance
SARAH Spark 2 is a desktop-class voice AI appliance designed for solo practitioners and single-location operators. The same SOPHIA brain and SARAH voice runtime that powers the Enterprise NVIDIA DGX B300, sized for 2 concurrent voice calls.
Compact desktop form factor
Fits under the front-desk counter or on a standard 19" rack. Standard 120V or 240V outlet. Network drop. Acoustic profile suitable for a clinical or office environment.
2 concurrent voice calls
Sufficient capacity for a solo practitioner or single-location operation. After-hours and during peak in-person traffic, both lines remain answered without overflow.
SOPHIA + SARAH stack · proprietary
The full SOPHIA reasoning brain and SARAH voice runtime, with access to the 34,792,085-feature connector surface. The smaller appliance does not reduce the breadth of capability - only the call-concurrency ceiling.
On-Premises · sub-50 ms first-word latency
The appliance is co-located with the practice phone system. Voice agents respond at LAN speed. Conversation latency is indistinguishable from a human receptionist.
17 spoken + 23 written languages
The full SARAH language stack is included. Native-language interactions on first contact at no incremental cost.
36-Month Global Replacement Warranty
In the event of failure, a replacement appliance is dispatched from the nearest staging depot (Boston, Frankfurt, Sydney, Singapore) within 48 hours. Maintenance + support included for the full 36-month financing term.
Optional hosted-dedicated deployment
If the practice prefers, the dedicated Spark 2 instance can be hosted in our Boston, Frankfurt, or Sydney facility. Same pricing, same SLA, same data ownership.
Sovereign data residency
Patient records, call recordings, and audit logs remain in the practice's facility (or chosen colo). Compliance frameworks aligned to HIPAA, state med-records laws, PCI, GDPR.
Year 4 onward: capex amortised
After the 36-month financing term, the appliance is fully paid off. Marginal cost approaches zero - only optional maintenance and electricity.
Use Cases · Restaurants
Concrete workflows that go from kickoff to live revenue inside the 30-day window.
Phone Takeout - Never Missed — every inbound call answered in 400ms · SARAH greets in the caller's language, takes the order, applies loyalty, processes payment, fires to Toast / Square, sends SMS confirmation with ETA.
Reservation Confirmation + No-Show Recovery — every OpenTable / Resy / Tock booking confirmed 4 hours prior · cancellations re-offered to the waitlist via SMS.
Direct Online Ordering Through Voice — direct online order via the branded site flows through the same SARAH brain that answers the phone and the in-store kiosk.
Loyalty + Marketing Outreach — Spark 2 sends personalised birthday + anniversary + abandoned-cart SMS via Punchh / Como / Paytronix · segmented by visit frequency.
Review Response Within 6 Minutes — Yelp / Google / TripAdvisor review posted → SARAH classifies sentiment + topic · drafts owner response in brand voice · queues for one-tap owner approval.
Inventory + Auto-Restock — Toast COGS data → SARAH compares to forecast · places auto-purchase orders with US Foods / Sysco when stock drops below par.
Drive-Thru Voice AI (QSR) — for QSR with drive-thru: Spark 2 handles order capture, applies loyalty, suggests upsells, passes the ticket to the line.
17-Language Customer Service — orders in Spanish · Mandarin · Vietnamese · Korean · Arabic · French - first ring, no transfer, no hold.
Catering + Group Booking — corporate caller about a 100-person event → Spark 2 walks the menu, captures the BEO, holds the date.
Complaint + Service Recovery — guest reports a delivery issue → Spark 2 classifies, issues refund / re-delivery / credit per policy, escalates to GM only on threshold.
Strategic Rationale
Eight institutional reasons solo practitioners and small-location operators are choosing a sovereign Spark 2 appliance over rented cloud voice-AI services.
Sovereign Compute · Owned Infrastructure
SARAH Spark 2 is a capital asset, not a metered service. Per-call and per-minute charges do not exist. One capital purchase services every conversation for the asset's economic life.
Proprietary Software Stack
The voice runtime and reasoning stack are owned IP. No third-party LLM API calls. No data leaves the appliance unless the practice explicitly permits it.
17 Spoken Languages · 23 Written Languages
Spark 2 ships with the full SARAH language stack. Patients and customers receive a native-language interaction on first contact.
30-Day Implementation Schedule
Hardware delivered, installed, commissioned, and operating within 30 days of contract execution. No multi-quarter sales cycle. No professional-services overhead.
Sovereign Data Residency
Deployment is on-premises by default. Patient records, transcripts, and audit log remain in the practice's facility. Aligns with HIPAA, state med-records, and PCI requirements.
Continuous Availability · After-Hours Coverage
Two voice lines answered 24 × 7 × 365. After-hours scheduling, post-visit follow-up, and peak-traffic overflow are handled without front-desk overload.
Reasoning Brain · Voice Orchestrator
SOPHIA delivers reasoning across the 34,792,085-feature connector surface. SARAH delivers the voice channel and orchestrates business actions. Both operate on the Spark 2 appliance.
36-Month Global Replacement Warranty
In the event of failure, a replacement appliance is dispatched from the nearest staging depot within 48 hours. Maintenance + support included for the full financing term.
Additional Strategic Considerations
Sixteen further considerations practice owners, office managers, and operators cite when authorising a SARAH Spark 2 commitment.
Predictable Monthly Outlay
$2,000 / month financed × 36 is a fixed line item. No surprise overage. No per-call escalation. Easy to plan against revenue.
No Recruiting Pipeline Dependency
Front-desk and reception hiring is the most disrupted small-practice talent line. A sovereign voice appliance removes the dependency for the work it covers.
Survives Loss of Front-Desk Staff
Maternity leave, sudden resignation, family emergency - patient-facing operations continue uninterrupted while the practice fills the role.
Hours of Operation Extended Without Cost
After-hours and weekend coverage are included. Peak in-person traffic does not block phone responsiveness.
Multilingual Service Without Interpreter Calls
Native-language patient interaction on the first ring. Documentation captured per language-access requirements.
Patient + Customer Records Stay In-House
Patient PHI, transcripts, and audit log remain in the practice's facility. No third-party AI vendor accesses the records.
Insurance and Compliance Posture Improves
Cyber-insurance underwriters increasingly favour sovereign deployments. Compliance examiners ask "who controls the data" - the practice's answer is "we do."
Brand Voice Becomes a Practice Asset
A customised voice persona, tuned to the practice's brand and clinical / operational vocabulary, is a brand asset with permanent residual value.
Practice-Specific Tuning Without Data Egress
Fine-tuning and continual learning operate entirely within the appliance. Patient and customer data never leaves the practice to train an external model.
Spark 2 hardware is built for a 5-7 year service life. Software updates and model rotations are delivered to the appliance through the financing term.
Operational Resilience Across Cloud Outages
On-premises deployment is decoupled from cloud-vendor SLA breaches and regional outages.
Mission-Readiness for Patient-Facing Hours
For clinical and patient-care operations, continuous availability matters. The 36-month Global Replacement Warranty backs the uptime commitment.
Acquisition + Practice Transition Readiness
A capital asset transfers with title in an acquisition or partnership change. A cloud subscription requires renegotiation and security review.
Energy + Carbon Accounting Is Predictable
The Spark 2 appliance has a low, fixed power draw. Carbon attribution is deterministic per kWh.
SARAH Spark 2 Is Sold Once. The Box Keeps Working.
After the 36-month financing term, the appliance is fully amortised. The practice continues to operate it for the remainder of its 5-7 year economic life with marginal incremental cost.
Frequently Asked Questions
Common questions raised during evaluation by practice owners, office managers, and operators.
How is Spark 2 different from ConverseNow, Kea, Bobcaat, or Hi Auto?
Those vendors are single-purpose voice ordering on rented multi-tenant infrastructure. Spark 2 handles ordering plus reservations, plus reviews, plus marketing, plus inventory, plus workforce - all on one sovereign on-premises appliance, at one monthly cost. The 5-year TCO comparison favours Spark 2 by 4-10× on most independent-restaurant deployments.
How does Spark 2 integrate with Toast, Square, or Lightspeed?
All three are native connectors. Order entry, menu retrieval, modifiers, applied loyalty, payment processing, and kitchen-ticket firing are available in the voice channel.
How does direct ordering reduce DoorDash / UberEats commission?
Spark 2 owns the phone channel, the branded website, and the kiosk. Each order captured direct avoids the 25-30% marketplace commission. The ROI math above shows the recapture at 30% direct shift.
What does a multi-location deployment look like for 2-3 locations?
Each location runs one Spark 2 appliance. The appliances federate for chain-level loyalty, central marketing campaigns, and unified reporting. Restaurants exceeding 3-5 locations typically progress to SARAH Enterprise (NVIDIA DGX B300) for the 1,000-concurrent capacity headroom.
How does Spark 2 handle drive-thru voice ordering?
Drive-thru order capture flows through the same connector stack as phone takeout. The order is captured, modifiers applied, loyalty applied, kitchen ticket fired, and order display unit (KDS) updated.
How is SARAH Spark 2 different from ConverseNow, Kea, Bobcaat, or Hi Auto?
Those products are single-purpose phone-AI vendors running on rented multi-tenant infrastructure. Each handles one use case (typically takeout, scheduling, or after-hours). SARAH Spark 2 is a sovereign on-premises appliance that handles every voice use case the practice needs - scheduling, refills, follow-up, surveys, after-hours, callbacks - on one box, with one monthly line item, and the practice retains physical ownership.
What happens to my data?
Nothing leaves the appliance without an explicit egress rule the practice controls. Recordings, transcripts, prompt logs, and audit trails are stored on encrypted volumes in the practice's facility. No co-mingling with other customers. The vendor cannot see the practice's data. This is the architecture that lets HIPAA-covered entities and PCI-handling operators actually deploy production voice-AI.
What does $2,000 / month actually include?
$2,000 / month financed over 36 months ($72,000 total) - or $60,000 outright - covers: the SARAH Spark 2 hardware (delivered, installed, commissioned), the full SOPHIA + SARAH software stack, 2 concurrent voice calls, all relevant connectors as they ship, the 36-month Global Replacement Warranty (48-hour appliance swap), maintenance + support, and onboarding. No per-call fee. No per-minute fee. No per-language fee.
What if my practice grows beyond 2 concurrent calls?
Two paths. (1) Add a second SARAH Spark 2 appliance and federate them - linear scale to 4, 6, 8 concurrent calls. (2) Upgrade to SARAH Enterprise (NVIDIA DGX B300, 1000 concurrent voice agents, $130,000/month or $4M outright). Most multi-location practices grow into the second appliance within 12-18 months once after-hours and overflow capture begins producing measurable revenue.
What if the appliance fails?
36-month Global Replacement Warranty. A replacement Spark 2 is dispatched from the nearest staging depot (Boston, Frankfurt, Sydney, Singapore) within 48 hours. While we are in transit, traffic optionally fails over to our hosted-dedicated Spark 2 in the same region. No call is dropped.
Do we need IT or AI expertise on staff?
No. Our engineering team installs, commissions, and configures the appliance. The practice's existing IT support (or our remote support, included) handles day-to-day. The whole point of selling a sovereign appliance is to remove the AI-engineering hiring problem from a single-location practice's roadmap.
Can we keep using our existing systems?
Yes - that is exactly what the connector surface is for. Spark 2 does not replace the EHR, the PMS, the POS, the reservation system, or the marketing tool - it orchestrates them on the voice channel. The library covers the major small-practice systems out of the box.
What is the SLA?
99.95% on the hardware. 99.99% if the practice takes the hosted-dedicated tier. Voice-turn latency <50 ms p95 on-premises. Our engineers are on call 24/7 for the full 36-month financing term.
What happens after the 36 months of financing?
The appliance is paid off and the practice owns it outright. Year 4 onwards, marginal cost approaches zero - only optional maintenance and the electricity bill. This is why a capital appliance beats a perpetual subscription: cloud voice-AI keeps charging the same monthly bill at Year 4, Year 5, Year 10. Spark 2 keeps working for free.
Can we customise the voice and the persona?
Yes. Voice cloning (optional · 30-minute reference recording), persona tuning to the practice brand voice, conversation-flow templates per use case, escalation rules per workflow. The runtime is the practice's - we provide the template, the practice provides the brand.
Ready to put a sovereign voice AI appliance in your practice?
60-minute discovery call · technical deep-dive · SARAH Spark 2 includes 34,792,085 Live Enterprise Features, Connectors & APIs. Zero borrowed codes.