Sagar 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.
Latest articles
The Capital Answers in English. Sacramento Calls in Hmong, Russian, and Ukrainian.
Sacramento rents, heals, and does business in Hmong, Russian, Ukrainian, and Spanish. How a live AI phone interpreter helps leasing offices and clinics answer everyone.
Industry SolutionsOakland Orders the Banquet in Cantonese and Calls the Lawyer in Spanish
Fruitvale, Chinatown, and East 12th do business in Spanish, Cantonese, and Vietnamese. A live AI phone interpreter lets Oakland restaurants and law offices answer in kind.
Industry SolutionsIn Santa Ana, the First Call Comes in Spanish or Vietnamese. The Answer Should Match.
Santa Ana's dental offices and auto shops serve La Cuatro and the edge of Little Saigon. A live AI phone interpreter answers both language worlds on one line.
Industry SolutionsBakersfield Pumps Oil in Spanish and Hauls Almonds in Punjabi. Who Answers the Phone?
Kern County's oilfields, truck yards, and clinics run on Spanish and Punjabi. A live AI phone interpreter keeps Bakersfield's repair desks and front offices answering.
Industry SolutionsAustin Writes Code in Every Language. Its Phone Lines Haven't Shipped That Update.
Austin's taquerias, tech-support desks, and leasing offices field calls in Spanish, Vietnamese, and Hindi. A live AI phone interpreter answers all of them on one line.
Industry SolutionsWhere the West Begins, the Freight Calls Begin in Spanish: Fort Worth on the Line
From the Alliance corridor's warehouses to the body shops off North Main, Fort Worth runs on Spanish-language phone calls. A live AI interpreter helps every desk answer.
Industry SolutionsMcAllen's Waiting Rooms Fill From Both Sides of the River — and the Phone Rings First
In McAllen and the Rio Grande Valley, clinic and law office calls arrive in Spanish from both banks of the river. A live AI phone interpreter answers every one.
Industry SolutionsCorpus Christi Fixes the AC by Noon and Books the Beach by Night — in Spanish
Corpus Christi's repair crews and beachfront hotels live on Spanish-language phone calls. How a live AI phone interpreter keeps the Sparkling City answering all of them.
Industry SolutionsIn Hialeah, English Is the Second Language. The Phone Should Work That Way Too.
Hialeah runs on Cuban Spanish — and its shops lose the English calls. A live AI phone interpreter works both directions, so Palm Avenue answers everyone.
Industry SolutionsThe Marinas Speak Portuguese, the Kitchens Kreyol: Fort Lauderdale Answers Back
Fort Lauderdale's hotels and realty offices field calls in Portuguese, Haitian Creole, and Spanish. A live AI phone interpreter helps every desk say yes.
Industry SolutionsBillings Is the Biggest City for Five Hundred Miles — and Its Calls Come From Everywhere
Billings serves half of Montana and northern Wyoming by phone, in Spanish and English alike. How a live AI interpreter helps King Avenue garages and clinic desks answer.
Industry SolutionsIn Providence, the Dinner Rush and the Waiting Room Both Speak Spanish First
Dominican and Guatemalan Providence keeps Olneyville and Elmwood humming. A live AI phone interpreter lets restaurants, clinics, and landlords answer in kind.