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Google Voice vs an AI Receptionist for a Contracting Business

The Trusso TeamOctober 18, 20267 min read

Google Voice is a solid, free business line with decent voicemail transcription — but when you can't pick up, it still just records a message and hopes the caller leaves one. For contractors who miss calls mid-job, an AI Receptionist that keeps your existing Google Voice number and actually talks to callers converts more of those missed calls into booked jobs instead of voicemails you check at 7pm.

OptionBest forStarting price
Trusso AI ReceptionistContractors who want missed calls answered, not just recorded$29/mo add-on (100 call minutes)
Google VoiceA free, portable business number with voicemail and transcriptionFree
Human answering serviceContractors who want a live person picking up 24/7, no matter the costQuote-based, often $200+/mo

Trusso AI Receptionist

Best for: contractors who already miss calls on the roof, under a sink, or mid-estimate and want those calls to end in a booked lead instead of a voicemail nobody returns.

What stands out: it's not a standalone answering app bolted onto your phone — it's connected to your actual Trusso account. That means it knows your services, service area, hours, and pricing policies, so it can answer real questions instead of just taking a name and number. It discloses up front that it's an AI. For new callers, it captures the lead with the same urgency as a live person. For returning customers, once they verify their name and address, it can tell them their appointment time, job status, estimate details, or invoice balance, and resend documents to the email or phone number already on file. It keeps your current number through conditional call forwarding — calls only route to the AI when you don't pick up, so nothing changes for callers who reach you directly. (A dedicated number is available if you're on the Unlimited plan and want one.) It never quotes a price you haven't published in your price book, and it never touches your schedule, invoices, or payments — it fails safe to a callback message whenever it's unsure, same as a good human receptionist would.

Honest limitation: it only knows what's in your Trusso account. If your price book, hours, or service area are out of date, the receptionist will repeat that outdated information confidently. It's also not a fit if you want a human voice specifically — some callers, especially older homeowners, still prefer a person, even though the AI discloses itself clearly.

Pricing: it's an add-on to any Trusso plan — $29/mo for 100 minutes or $49/mo for 200 minutes. If you run over, recharge packs are $15 for 50 extra minutes, and unused minutes roll over month to month instead of resetting.

Google Voice

Best for: a solo contractor or very small outfit that just needs a free, separate business number to keep off their personal cell, with voicemail they can skim as text instead of listening to audio.

What stands out: it's free, tied to your Google account, works on any device, and the voicemail transcription is genuinely useful — you can read a missed call instead of dialing into voicemail. You can set a custom greeting, block spam numbers, and forward calls to your cell so you're not juggling two phones.

Honest limitation: Google Voice doesn't actually answer anything. When you're on a ladder or in a crawlspace, the caller gets a greeting and a beep, full stop. There's no way for it to tell a caller your hours, confirm an appointment, or capture a lead with any context — it just records whatever the caller decides to say, if they bother to leave a message at all. A lot of homeowners calling three contractors at once won't leave one; they'll just call the next name on the list. We cover this trade-off in more depth in voicemail vs. call forwarding vs. an AI receptionist, but the short version is: voicemail is where leads go to die.

Pricing: free for personal use. Google Voice for Business (through Google Workspace) runs a per-user monthly fee if you want multiple lines, but the core calling and voicemail features are free.

Human Answering Services

Best for: contractors who want a live person on every call, regardless of cost, and don't mind giving up some control over what gets said.

What stands out: a real voice, 24/7, with no disclosure needed because there's no AI to disclose. Good services can handle basic scripts well and transfer urgent calls.

Honest limitation: pricing is usually quote-based and scales with call volume, so costs climb fast once you're getting more than a handful of calls a day. Agents also don't know your price book or your schedule the way an account-connected AI does — they're working from a script, not your actual data, so they can rarely tell a caller their real appointment time or invoice balance without transferring or calling you back anyway.

Pricing: quote-based, commonly starting in the low hundreds per month for modest call volume and rising from there.

Number Handling and the Caller Experience

The practical question for most contractors isn't "which service sounds better in a demo" — it's what happens to the number already on every truck magnet, invoice, and Google Business Profile listing. Google Voice is already portable, which is one of its real strengths. The upgrade path that makes sense is keeping that same number and layering call forwarding on top of it, so unanswered calls route to something that actually engages the caller instead of recording them. That's exactly how Trusso's AI Receptionist is designed to work — you don't have to reprint anything or update your listings, which we go through in more detail in this breakdown of keeping your existing number.

From the caller's side, the difference is stark. With Google Voice, a missed call means: greeting, beep, hope they talk. With an AI Receptionist tied to your business data, a missed call means: a voice answers within a couple rings, explains it's an AI, asks what they need, and either books the lead, answers a real question about your hours or services, or — for a verified existing customer — gives them an actual update on their job. One of those experiences keeps a caller on the phone. The other one loses them to the next search result.

Where Trusso Fits

If you're already running estimates, scheduling, and invoicing through Trusso, the AI Receptionist add-on plugs straight into that same data — no separate system to maintain, no second price list to keep updated. Plans start at a flat $29/mo for an owner plus 2 crew, up to $99/mo unlimited, with a 14-day free trial and no contract. The receptionist add-on is $29/mo for 100 minutes or $49/mo for 200, with $15 recharge packs for an extra 50 minutes that roll over instead of expiring. For contractors still deciding if a free number plus voicemail is really costing them leads, it's worth running the math on even two or three missed calls a month that turn into no-shows for the competition.

Can I keep my Google Voice number if I switch to an AI Receptionist?

Yes. Trusso's AI Receptionist uses conditional call forwarding, so your existing Google Voice (or any) number stays the same — it only routes to the AI when you don't answer. A dedicated number is available if you're on Trusso's Unlimited plan and prefer a separate line.

Does Google Voice's voicemail transcription count as answering the phone?

No. Transcription just turns a recorded voicemail into text you can read later — it doesn't engage the caller, answer questions, or book anything. The caller still has to decide to leave a message in the first place.

Will callers know they're talking to an AI instead of a person?

Yes. Trusso's AI Receptionist discloses upfront that it's an AI. It's covered in more detail in our post on whether AI receptionists disclose themselves to callers.

Can the AI Receptionist quote a price over the phone?

Only prices already published in the contractor's own Trusso price book. It won't invent or guess at pricing, and for anything outside that, it takes a callback message instead of guessing.

Is an AI Receptionist worth it if I only miss a few calls a week?

It depends on what those calls are worth. If even one or two of those missed calls per month are new leads rather than existing customers, the $29/mo for 100 minutes plan often pays for itself with a single booked job.

This comparison is based on Google Voice's publicly available features and Trusso's published pricing and product pages as of October 2026; always confirm current details directly with each provider before switching.

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