By Sagar Shankaran, Founder of CallSphere
Lowell is home to one of the largest Cambodian communities in the country, and its business phones still stumble on Khmer. A live AI interpreter fixes the call itself.
Key takeaways
How does a city host the second-largest Cambodian community in the United States for forty years and still have business phone lines that flinch at Khmer?
Lowell doesn't lack for evidence of who lives here. The Southeast Asian Water Festival fills the banks of the Merrimack every summer. Pailin Plaza and the markets around Branch Street sell prahok and lemongrass to three generations of customers. City politics, school hallways, temple festivals — Khmer is simply part of how Lowell sounds. Except on hold. On hold, Lowell is still an English-only mill town, and everyone who has ever called a plumber or a dental office from the Acre knows it.
The Cambodian families who rebuilt the Acre and Lower Highlands own homes now. Homes with furnaces that quit, roofs that leak, basements that flood in a March thaw. They have teeth that ache and kids who need cleanings. Which means they make exactly the calls every local business depends on — and too many of those calls go badly for a reason that has nothing to do with the business's actual work.
A first-generation homeowner who speaks Khmer calls about a flooded basement. The office manager hears a language she doesn't know, says "sorry — do you speak English?", and the call wobbles. Maybe a son gets conferenced in from his job. Maybe the homeowner gives up and calls a company two towns over that a cousin recommended. Either way, the Lowell company that was five minutes away lost a job it never even understood was being offered.
Here is the same call with CallSphere's Live Interpreter on the line:
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flowchart TD
A[Homeowner near the Acre calls about a flooded basement speaking Khmer] --> B[Interpreter asks which language the caller prefers]
B --> C[He picks Khmer and describes the water line on the wall]
C --> D[Plumber hears it in English and quotes an arrival window]
D --> E[He hears the window in Khmer and reads off his address]
E --> F{Crew available today?}
F -->|Yes| G[Truck dispatched and the visit confirmed]
F -->|No| H[First slot tomorrow reserved on the call]
No relative pulled out of work. No callback that never comes. The interpreter voice carries both directions — Khmer to English for your desk, English to Khmer for the caller — a few seconds behind each speaker, on the same phone call, on your existing number.
Ask any dental practice in Lowell about their no-show list and look for the pattern: patients who booked through an intermediary. When an appointment gets made by a niece on her lunch break, the actual patient never talked to the office — so when the reminder call comes in English, it bounces, and the chair sits empty at 2 p.m. Let patients book in Khmer, ask their own questions about what the cleaning costs and whether the dentist is gentle, and they show up. It was never reluctance. It was the relay.
The same goes for home services — the heating companies, roofers, and electricians working triple-deckers from Centralville to South Lowell. And it matters, quietly, for the counseling and behavioral health practices this community leans on: for an older generation that carries heavy history, the difference between reaching out and not reaching out can be whether the very first phone call happens in Khmer. A live interpreter doesn't replace a bilingual clinician — it makes sure the call that finds one is never the call that gets dropped.
Khmer is the headline, but it isn't the whole phone book. Lowell's Puerto Rican and Dominican families call in Spanish. There's Portuguese from the old mill generations, Vietnamese and Lao from the same wave that brought the Khmer community, and newer arrivals from West Africa and Brazil. A hiring plan can't cover that. You will never staff a front desk in Lowell that speaks everything Lowell speaks.
The interpreter covers 57+ languages on every call, and when nobody can pick up at all, CallSphere's AI receptionist answers, books, and takes messages in the caller's language, 24 hours a day. One line, every language, no schedule.
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The fastest way to believe this is to hear it. Go to the CallSphere homepage and open the live interpreter demo — the popup in the bottom-left corner — and speak to it in Khmer, Spanish, or any language your counter hears. Then put it on your own line with a 7-day pilot. After the pilot it's $149 a month, flat. In a city where the second-largest Cambodian community in America is dialing local numbers every day, that's not a software subscription. That's a second front door.
No. They dial the number on your van or your sign, same as ever. The interpreter joins the call itself. The caller talks in Khmer, you hear English; you talk in English, they hear Khmer. Nothing to download, nothing to teach anyone.
At the start of a call the interpreter can ask the caller to pick their language, and it recognizes what it hears as the conversation starts. Lowell lines hear Khmer, Spanish, Portuguese, Lao, and Vietnamese — each call is handled in its own language without your staff doing anything.
The interpreter speaks naturally and simply repeats each side's words in the other language, so the caller is always talking to your business — not to a machine menu. In practice, elders who have spent years handing the phone to a grandchild tend to be the most relieved callers on the line.
Pair it with the AI receptionist and the line never goes unanswered: it books appointments, captures the address and callback number, and takes the message in the caller's language. Your crew starts Monday with jobs, not voicemails.
$149 a month after a 7-day pilot on your real calls. One rescued basement job or two kept dental appointments cover it — and most Lowell offices lose more than that to language every single week without ever seeing it on a report.

Written by
Sagar Shankaran· Founder, CallSphere
LinkedInSagar Shankaran is the founder of CallSphere, where he builds production AI voice and chat agents deployed across healthcare, hospitality, real estate, and home services. He writes about agentic AI, LLM engineering, and shipping voice agents that handle real calls in production.
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