AI voice agents for phone calls and WhatsApp: Unlimited AI calls. One flat fee.

An AI voice agent is software that holds a phone conversation. It listens, understands, answers from your business information and takes actions such as checking availability or booking an appointment. NuTalk agents also reply on WhatsApp with the same knowledge and memory, and every call they handle is recorded, transcribed and scored against your goals.

WhatsApp AI agent →

There are three options. Pay per use starts free with usage-based credits, and it's the option if you only want a NuTalk phone number. NuTalk SMB is $299 USD a month for unlimited AI calls on your own local phone line through the AiBox, one call at a time per line; you order it online from your dashboard, and the AiBox installation, $149 USD one time, is quoted and billed separately. NuTalk Call Center, from $599 USD a month and sold through our sales team, covers unlimited AI calls for campaigns, outbound and inbound, on your own PBX or phone system, with no AiBox. Connection to your PBX or phone system (SIP) or Zoom Phone is scoped and set up with our team. More Call Center lines are quoted. Simultaneous-call capacity, numbers, carrier usage and hardware are confirmed for your package; premium voices may be billed separately. Fair use applies: we review usage above 5,000 minutes a month per line. WhatsApp messages use credits and incur Meta's fees.

Compare plans →

On NuTalk SMB and NuTalk Call Center, unlimited covers every AI call your agents answer or make on your lines, with recordings, transcripts and summaries. Each line takes one call at a time, and more lines are quoted. Confirmed for your package: phone numbers, carrier usage, hardware and call evaluations. Fair use applies: we review usage above 5,000 minutes a month per line. The AiBox installation is quoted and billed separately, premium voices may be billed separately, and WhatsApp messages use credits and incur Meta's fees. Pay per use starts free, and paid credit plans add monthly credits.

On NuTalk SMB and NuTalk Call Center, speech recognition and the language model for your calls run on servers we operate in Mexico and Texas, US, not on a shared AI API. On pay per use, calls run on vetted cloud partners. Voices are generated with cloud TTS. WhatsApp replies and call scoring use AI models from vetted cloud partners that don't keep the data or train on it, or NuTalk's own servers for an extra fee. NuTalk keeps your conversation history and quality logs as described in our privacy policy. We can also set up dedicated models trained on your data, on our servers or yours, for an additional cost. We don't use your conversations to train general-purpose AI models.

How we handle your data →

You set goals and competencies for each agent. After the call, NuTalk marks each goal met or not met with a written justification, scores each competency from 0 to 5 and gives the call an overall score out of 100. Evaluations run in a queue, so scores are ready within hours or overnight, depending on your plan. Each evaluation is linked to its call or chat, and WhatsApp conversations are scored the same way.

AI call QA →

Yes, as campaigns. Import contacts, build the sequence, set calling hours and retries, and sync outcomes to HubSpot or Kommo. A contact marked do-not-contact is skipped in every campaign, and you can pause and resume without double-dialing. In the US, AI-voice calls to mobile numbers, business contacts included, and to home lines need prior express consent, and marketing calls need it in writing; in Mexico, respect the REPEP registry.

AI outbound calling →

Yes. On NuTalk SMB, the AiBox connects a compatible analog landline, so you keep your number and carrier. It arrives preconfigured, each line takes one call at a time, and the installation is quoted and billed separately. On NuTalk Call Center, the connection to your PBX or phone system (SIP) or Zoom Phone is scoped and set up with our team. On pay per use, you can get US and Mexico numbers in the dashboard; Mexican numbers need regulatory documents.

AI phone answering →

NuTalk scheduling, Google Calendar, Outlook and Cal.com for booking; HubSpot and Kommo for CRM, with call outcomes and notes written back. Zapier, Make or n8n connect through signed webhooks and the REST API, which also lets the agent run custom actions against your own systems.

API docs →