Capability 01
Bidirectional Twilio ↔ Gemini Live
Twilio Media Streams hands audio directly into a Gemini Live WebSocket. Audio flows both directions in real time on a single persistent connection — no IVR tree, no script.
SIG · READY⌜TX RX⌟
Engagement Proposal · v1 · 2026
SIG · READYTX · RX LIVECH 00/12
A Proposal for Roofing Operators · $5M–$20M Revenue
Stop losing
storm calls
at 11:47 PM.
A live, conversational AI receptionist that answers every call.
⌜$343,000⌟
SIG · READYTX · RX LIVE
Prepared by ·
FNS Tech
Product ·
MARK v.2026
Contact ·
support@FastTechPC.com
Date ·
May 6, 2026
01Executive Summary
SIG · READYTX · RX LIVECH 01/12
Roofing is a phone-driven business.
MARK is a real conversation.
The market for "AI receptionists" is now flooded with products that take a message and call it intelligence. MARK is not one of those products.
MARK is a live, real-time conversational AI built on a Twilio ↔ Gemini Live bidirectional voice pipeline. When a homeowner calls, MARK answers in under two rings, holds an actual back-and-forth conversation, lets the caller interrupt and redirect mid-sentence, books the inspection on a real calendar, writes the lead into your CRM before the caller hangs up, and texts the confirmation while the field rep gets a dispatch alert.
For a roofing operator doing $5M–$20M in annual revenue, the math is simple: one missed storm-day call is $10K–$15K of pipeline. One missed storm week is $1.5M–$2M of pipeline.
The math
⌜$2,997/mo⌟
MARK Professional. ~1% of a $10M operation's revenue. Pays for itself in a single recovered call most months — and 50–100x over in any storm event.
Scope
This proposal benchmarks MARK only against other live, conversational AI phone agents — systems that hold real-time, back-and-forth conversations. We do not benchmark against human answering services, IVR phone trees, voicemail-to-text bots, or generic web chatbots. Those are different product categories at different price points.
02The Problem at Your Size
SIG · READYTX · RX LIVECH 02/12
Your infrastructure
is leaking pipeline
at every joint.
Metric
Average rate
Impact
Inbound calls missed
⌜30–45%⌟
⌜$10K–$15K per missed call (your job size)⌟
Voicemails returned within 5 min
⌜12%⌟
⌜The other 88% call your competitor⌟
Storm-week call volume vs. office capacity
⌜5–10x normal⌟
⌜Front desk caps; the rest goes to voicemail⌟
"We are effectively turning away four out of five new customers when the weather turns."
11:47 PM · Phone Rings · Office ClosedData Stream 02
02
CRM data decay
Phone numbers entered wrong. Addresses missing. Notes that say 'call back about roof.' Reports go from useful to fiction in a single quarter.
03
The scheduling bottleneck
Every inspection booked manually consumes 6–10 minutes plus a confirmation call plus a reminder text. At 40/week, that's a full clerical salary on logistics alone.
04
The 24/7 problem
Storms roll through at 11 PM Sunday. Your office is closed. Your competitor with an AI receptionist is open. The homeowner is on whoever's schedule answers first.
03What Makes MARK Live
SIG · READYTX · RX LIVECH 03/12
Ten capabilities.
All in production.
Each one is already running on the FNS Tech stack — not a roadmap promise.
Capability 02
Native barge-in
The caller can interrupt mid-sentence. MARK stops, listens, and pivots — the single most important quality marker of a real conversational AI vs. a script-reading bot.
SIG · READY⌜TX RX⌟
Capability 03
In-call CRM writes
While MARK is talking, it's writing the customer record, job, address, and lead source to your CRM via function-calling tools. Lead is fully entered before the caller hangs up.
SIG · READY⌜$343,000⌟
Capability 04
Live appointment booking
MARK checks live calendar availability, confirms a slot in conversation, and writes the appointment during the call. Caller receives a confirmation text in their hand.
SIG · READY⌜TX RX⌟
Capability 05
Per-business persona
Pinned-preferences system stores your voice, vocabulary, FAQs, and personality. MARK doesn't sound like a generic robot — it sounds like your receptionist.
SIG · READY⌜TX RX⌟
Capability 06
Sentence-streamed TTS
First sentence reaches the caller's ear while the rest is still being composed. Response gaps feel natural — not the 4–8 second dead silence most AI agents leave on the line.
SIG · READY⌜TX RX⌟
Capability 07
Multi-LLM redundancy
Triple-tier routing: Gemini fast-path first, OpenClaw HTTP API fallback, Claude long-thinking fallback. If one stack has a regional outage at 2 AM, the call doesn't drop.
SIG · READY⌜99.9%⌟
Capability 08
Vision intake
Caller texts a photo of damage mid-call. Gemini Vision analyzes it and MARK references it on the call. No SMB-tier competitor offers this natively.
SIG · READY⌜TX RX⌟
Capability 09
Watchdog auto-recovery
A dedicated supervisor monitors heartbeat. If MARK crashes or wedges, the watchdog restarts with exponential backoff. 24/7 uptime in practice, not just promise.
SIG · READY⌜TX RX⌟
Capability 10
MARK-Forge website builder
Optional add-on: full custom site, deployed to Vercel, in under a week. Part of the FNS Tech stack — not a third-party reseller integration.
SIG · READY⌜TX RX⌟
The pattern: cheap-end vendors don't do real barge-in or in-call CRM writes. Mid-tier does some of it. Enterprise matches MARK on individual features but not on the combination — and none have multi-LLM redundancy or native vision intake at any price.
04Annotated Sample Call
SIG · READYTX · RX LIVECH 04/12
Transmission · 11:47 PM EST
SIG · READY
Tropical storm just passed. Phone rings.
⊕MARK
Thanks for calling Apex Roofing — this is Mark. Are you calling about damage from tonight's storm?
[Twilio Media Stream → Gemini Live · sub-second pickup · persona = Apex Roofing]
Caller
Yeah my whole back side got hit, there's shingles in the —
⊕MARK
Got it. I'm sorry to hear that. Let's get you on the schedule first thing. Can I get the property address?
[Native barge-in — caller cut MARK off mid-question, MARK pivoted instantly]
Caller
1247 Maple Ridge Drive, Lakeland.
⊕MARK
Got it. Insurance claim or out of pocket?
[In-call CRM write — customer record + property address created in Supabase]
Caller
Insurance, I haven't called them yet.
⊕MARK
Perfect — we work with all the major carriers, and we can do the inspection before you file so we have photos for the adjuster. I have tomorrow at 10 AM or 2 PM, which works better?
[Live calendar check ran while MARK was speaking — slots returned in milliseconds]
Caller
10.
⊕MARK
Locked in. I'll text you a confirmation now and your inspector's name. By the way — if you can send a quick photo of the worst spot to this number, I can pass it along to your inspector tonight so he knows what to expect.
[Appointment written · SMS confirmation dispatched · inspector alert queued · vision intake offered]
Total call time · 1:38
Lead in CRM. Appointment on calendar. Confirmation texted. Field rep alerted. Owner notified. Photo received and tagged.Zero human involvement.
05MARK vs. The Field
SIG · READYTX · RX LIVECH 05/12
Live conversational AI receptionists, side by side.
| Vendor | Price | True barge-in | In-call CRM writes | Live calendar | Roofing-tuned | Photo intake | Multi-LLM redundancy |
|---|---|---|---|---|---|---|---|
| MARK | ⌜$1,497 → $5,997/mo⌟ ✓ Best-in-class value | Instant interrupt | Real-time logging | Direct scheduling | Deep industry model | Seamless capture | Triple-stack failover |
| Synthflow | ⌜$29 → $1,250/mo⌟ | Partial | Webhook | Cal.com | — | — | — |
| Retell AI | ⌜$0.07–$0.31/min⌟ | Partial | Webhook | Via integration | — | — | — |
| Vapi | ⌜$0.05/min + comp.⌟ | Partial | Webhook | Via integration | — | — | — |
| Bland.ai | ⌜Per-min, custom⌟ | Partial | Webhook | Limited | — | — | — |
| Air AI | ⌜~$3K–$10K/mo⌟ | Yes | Configurable | Configurable | — | — | — |
| AgentZap | ⌜$109 → $899/mo⌟ | Partial | Via integration | Via integration | Deep industry model | — | — |
| Goodcall | ⌜$66 → $208/mo⌟ | — | Limited | Limited | — | — | — |
| Rosie | ⌜$49 → $299/mo⌟ | — | Limited | Basic | — | — | — |
| Smith.ai | ⌜$292+/mo⌟ | Partial | Via integration | Via integration | — | — | — |
| Dialzara | ⌜$29+/mo⌟ | — | Limited | Basic | — | — | — |
| My AI Front Desk | ⌜$65 → $119/mo⌟ | — | Limited | Basic | — | — | — |
| OnCallClerk | ⌜$49+/mo⌟ | — | Limited | Basic | Trades-tuned | — | — |
↔ swipe to see full comparison
06Live Market Pricing Snapshot · 2026
SIG · READYTX · RX LIVECH 06/12
What the rest of the market actually charges.
Entry / starter
⌜$29–$66/mo⌟
Synthflow Starter, Goodcall Starter, Dialzara, Rosie Pro
Small business
⌜$109–$299/mo⌟
AgentZap entry, Goodcall Scale, Rosie Growth, My AI Front Desk Pro
Mid-market
⌜$300–$900/mo⌟
AgentZap mid-top tier, Smith.ai live AI, Synthflow mid
Premium / agency
⌜$899–$2,500/mo⌟
AgentZap top, Synthflow Agency, custom Retell/Vapi builds
Enterprise / custom
⌜$2,000–$10,000+/mo⌟
Air AI enterprise, custom Retell/Vapi/Bland builds, white-label
Per-minute add-ons
⌜$0.08–$0.45/min⌟
Telephony + STT + LLM + TTS overhead, across most platforms
Setup fees
⌜$0–$2,000 self-serve · $10K–$100K+ custom⌟
Setup scales with integration depth
Human receptionist baseline
⌜$4,000–$8,000/mo⌟
Two staff, business hours only — for context, not a comparator
Sources · NextPhone AI Receptionist Cost 2026; Synthflow, AgentZap, Goodcall, Retell AI, Smith.ai, Dialzara, My AI Front Desk, Rosie public pricing pages; Ringly Voice AI Pricing 2026; CloudTalk Voice AI Cost 2026; Roofing Contractor magazine 2026 AI adoption report.
07MARK Pricing — Three Tiers
SIG · READYTX · RX LIVECH 07/12
Sized for operators doing $5M–$20M in revenue.
All tiers include unlimited calls, FNS Tech engineer-direct support, and the full live conversational stack.
Tier 01
MARK Core
$5M–$8M single-location operators · 100–300 calls/month
$1,497/mo
+ $3,500 setup
- Single Twilio number (yours or ours)
- English voice, custom-tuned to your business
- One CRM integration: JobNimbus, AccuLynx, Roofr, JobTread, Buildertrend, HubSpot, Salesforce, GoHighLevel, or Pipedrive
- Live calendar booking (Google or Outlook)
- SMS confirmations and 24-hour reminders
- Owner / manager real-time lead notifications (SMS or email)
- Standard reporting dashboard
- Watchdog auto-recovery — 24/7 uptime
An essential command center for operators seeking foundational, always-on call capture.
Position · Above the SMB pack — Goodcall Scale ($208), Rosie Growth ($299), AgentZap mid (~$400).
Tier 02
MARK Professional
$8M–$15M operators · 300–700 calls/month · multi-crew dispatch
$2,997/mo$343,000
+ $6,500 setup
- Everything in Core, plus:
- Bilingual English / Spanish — same MARK, two languages
- Geographic inspector routing — books the closest field rep
- Vision photo intake — caller texts a photo, MARK sees it
- Custom voice clone — your existing receptionist's voice, with consent
- Outbound follow-up sequences — Day 1, 3, 7, 14, 30 cadences
- Storm-mode auto-scaling — 100+ simultaneous calls
- Up to 3 integrations (CRM + calendar + dispatch, etc.)
- Quarterly performance tuning with Steve directly
- Slack / Teams real-time notifications
- Advanced analytics with lead-source attribution
Our most popular tier — the sweet spot for the $10M roofer driving growth and unlocking strategic advantage.
Position · Above AgentZap top tier ($899) and below boutique custom Retell/Vapi builds ($4K–$8K).
Tier 03
MARK Enterprise
$15M–$20M+ multi-branch operators
$5,997/mo
+ $12,500 setup
- Everything in Professional, plus:
- Multi-location call routing with branch-specific personas
- Insurance carrier workflow — Xactimate handoff, EagleView, supplement tracking
- Dedicated AI tuning per market / region
- Unlimited integrations
- Multi-LLM redundancy with 99.9% uptime SLA
- White-label option (system answers entirely as your brand)
- Dedicated account manager · 24/7 priority support
- Custom KPI reporting tied to your sales process
The ultimate solution for complete operational dominance and future-proofing your enterprise.
Position · Squarely against Air AI enterprise and custom Retell/Vapi builds at $5K–$10K+/mo.
Annualized cost vs. revenue
~1% of revenue. 10–50× return on a single recovered storm-week.
$5M roofer
Core
⌜~$21.5K⌟
0.43%
$10M roofer
Professional
⌜~$42.5K⌟
0.43%
$15M roofer
Professional or Enterprise
⌜$42K – $84K⌟
0.28% – 0.56%
$20M roofer
Enterprise
⌜~$84K⌟
0.42%
08Add-Ons (Any Tier)
SIG · READYTX · RX LIVECH 08/12
Bolt-ons for the edge cases.
- Additional CRM / integration endpoint⌜$750 setup + $150/mo⌟
- Custom voice clone (additional voice)⌜$1,200 one-time⌟
- Outbound dialer for warm-lead reactivation⌜$497/mo + $0.08/min⌟
- AI estimate generator (sq ft from address + photos)⌜$397/mo⌟
- Spanish-only secondary line⌜$297/mo⌟
- After-hours US-based human escalation backup⌜$1.50/min routed⌟
- MARK-Forge website build (full custom, Vercel, 7 days)⌜$4,500 one-time⌟
09ROI Math · $5M–$20M Reality
SIG · READYTX · RX LIVECH 09/12
One captured storm pays for MARK Professional for 37 to 69 years.
Mid case
$10M roofer · 400 inbound calls/mo · 30% miss · 22% close · $13K avg job
- Calls answered today~280/mo
- Calls missed today~120/mo
- Recover just 30% of misses+36 calls/mo
- ×22% close × $13K avg$103K/mo
Annualized · ⌜~$1.24M⌟
Storm scenario
48-hour tropical storm event
- Normal volume~13/day
- Storm spike80–130/day
- Two-person desk caps at~60/day
- Lost calls (single event)800–1,500
- 15% close × $13Krecovered pipeline
From one event · ⌜$1.56M – $2.93M⌟
vs. Human reception
MARK Core is cheaper than the cheap end of a 2-person front desk — and it never goes to lunch.
A two-person front desk covering business hours only is ~$4,000–$8,000/mo loaded (salary + benefits + overhead). MARK Core is less than the cheaper end of that and runs 24/7. MARK Professional matches the upper end and does work no human receptionist can do — vision intake, sub-second pickup, multi-LLM failover, bilingual without a second hire.
⌜ Live ROI Calculator · Move the sliders ⌟
Plug in your numbers.
⌜400⌟
⌜22%⌟
⌜$13,000⌟
Monthly recovered pipeline
⌜$102,960⌟
Annualized recovered revenue
⌜$1,235,520⌟
MARK Professional pays for itself
34.4× over.
Assumes 30% miss rate · 30% recovery · $2997/mo Pro tier
Calls answered today
0/mo
Recovered with MARK
0 calls/mo
Annualized recovered
$0
10Implementation Timeline
SIG · READYTX · RX LIVECH 10/12
21 days from contract to first live call.
- Week 1
Discovery
Review 5 of your recent inbound calls. Draft conversation flows. Provision CRM access. Map integration touchpoints.
- Week 2
Build & integrate
Voice tuning. Knowledge base build (services, pricing, service areas, FAQs). CRM tested in sandbox. Pinned preferences set.
- Week 3
Soft launch
MARK handles after-hours and overflow calls. Office staff handles business hours. Baseline metrics captured.
- Week 4
Full deployment
MARK is primary receptionist. Office staff on escalation only. Full reporting live.
- Ongoing
Tuning
Weekly tuning calls during the first 90 days. Monthly thereafter.
FIELD · DISPATCHLIVE
11Why FNS Tech / Why MARK
SIG · READYTX · RX LIVECH 11/12
Built and operated by FNS Tech directly. No reseller.
Built and operated by FNS Tech directly
We are not reselling somebody else's platform with our logo on it. The voice pipeline, the CRM tool layer, the orchestrator, the watchdog — all our code. When you call support, you reach the engineer who wrote it.
Most advanced conversational AI stack in production
Gemini Live for real-time voice. Claude for long-thinking reasoning. ElevenLabs for TTS fallback. Supabase for the data layer.
Roofing-vertical from day one
We built the persona system because every roofer's voice is different. We built storm-mode scaling because that's where the money is.
US-based. No outsourcing.
No offshore support tickets. No tier-1 script readers. The engineer on the line built the thing.
Performance guarantee
If your captured-lead count doesn't increase by at least 30% in the first 90 days, we refund the setup fee.
12Next Steps
SIG · READYTX · RX LIVECH 12/12
Make sure your phone always gets answered.
- Step 01
30-minute discovery call
We listen to 5 of your recent inbound calls and walk you through what MARK would have done differently on each.
- Step 02
Custom ROI projection
Using your actual call volume, close rate, and average job size — not the industry-mid-case numbers above.
- Step 03
Tailored pilot proposal
Written, scoped, and priced for your operation.
- Step 04
Signed agreement & kickoff
Implementation begins within 5 business days.
The phone is the difference between a million-dollar storm week and a million-dollar storm week your competitor had.Let's make sure yours always gets answered.
⌜ Trusted by operators across the coast ⌟
EPIC ROOFING
SUNSHINE HVAC
COASTAL PLUMBING
HERITAGE DENTAL
GULFSIDE REALTY
APEX INSURANCE
RIDGELINE IT
BAYVIEW ROOFING
LEMON BAY LEGAL
PALMETTO ELECTRIC
HARBOR DRYWALL
MAGNOLIA LAW