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At Zadarma, we are announcing the launch of new numbers with the 400 prefix, the official numbering range reserved for commercial calls and sales campaigns in Spain.

From October 2026, companies covered by Law 10/2025 on customer service will only be able to make commercial calls from 400 numbers, as set out in the resolution of the Secretary of State for Telecommunications published in the Official State Gazette (BOE). Because these numbers are outbound-only, consumers will instantly recognise the call as commercial. This makes communication more transparent: the customers who answer are the ones ready to hear your offer.

Get ahead of the regulation and make sure your campaigns comply with the law. You can activate your 400 number in just a few minutes and easily integrate it with our virtual PBX and your CRM, so your sales never stop.

Find out all the details and get your 400 number here

Zadarma can now be connected to NetHunt CRM. The integration is free and takes just a couple of minutes to set up.

All calls are displayed directly in the contact card: the date, duration, status, and call recording. No need to search for anything.

Received a call from an unknown number? The CRM will automatically create a new contact.

You can also make calls directly from the CRM. Simply click the phone number in the contact card.
With Workflows, you can also set up more advanced scenarios, such as sending emails, creating tasks, and triggering other actions after a call.

For detailed setup instructions, see the guide.

The official Zadarma node is now available in n8n for integrating Zadarma PBX and Teamsale CRM with other services.

With the integration, you can create automated workflows based on telephony events such as missed calls, incoming SMS messages, call start or end events, and more. Response actions include creating a lead in Teamsale CRM, sending an SMS, saving data to Google Sheets, triggering a callback, and more.

In addition to telephony and CRM, the integration also allows you to connect other services, for example, Google Calendar for automatic meeting creation, Google Sheets for data storage, Google Drive, Google Docs, and many more. n8n offers more than 1000 nodes for integrating with various services and building your own automation workflows.

Setup takes just a few minutes: simply activate the integration in your account, copy the API token, and add it to the Credentials section in n8n. A detailed guide with ready-to-use workflow examples is available via the link below.

Learn more about the Zadarma and n8n integration.

Zadarma has introduced a new type of voice AI agent — a realtime agent. The main difference from a standard agent is instant responses without delays. This makes the conversation more natural and comfortable for the caller.

The realtime agent understands context on the fly and can adapt during the conversation: it adjusts its tone and speaking style based on the caller’s reaction. If a customer speaks briefly and to the point, the agent adapts. It’s a live dialogue, not a scripted auto-responder.

Three models with different capabilities are available for connection — including an option priced the same as the standard agent if you’d like to try it without additional cost. For more information on setup, see the guide.

Italian interface language has been added to Zadarma and Teamsale CRM. The personal account and virtual PBX have been translated — all settings and management are now available in Italian.

This means that Italian-speaking users can set up telephony and CRM without a language barrier, and if they have any questions, they can contact Zadarma support in Italian.

The language can be selected in the account settings.

We’ve published our API’s OpenAPI schema on GitHub - making it easier than ever to get started with integrations.

Developers no longer need to spend time figuring things out from scratch or wait for ready-made libraries. Just take the specification and generate a client library in the language you need - it can be done in minutes.

With the rapid progress of AI tools, the process has become even smoother: today, libraries can be generated automatically - often faster and sometimes even better than when built manually.

In practice, this removes language limitations: if you need an integration, you can simply create it yourself - no delays, no extra steps.

The OpenAPI schema is available here.

We’ve made using AI in Zadarma even easier and more cost-effective. Now the AI voice agent is included in our price plans and available without any additional setup.

With the Office plan, you get 100 free AI agent minutes per month, and with the Corporation plan — 200 minutes. This is enough to test call-handling scenarios or transfer part of your incoming call flow to the virtual assistant.

The AI agent supports 20+ languages, and usage beyond the included minutes is charged from €0.07 per minute.

Connect, configure, and use the AI agent directly within your plan — with no unnecessary complexity and a clear pricing model.

We are introducing a new service — the Zadarma AI voice agent. This virtual assistant answers calls, speaks with a natural voice, uses your knowledge base, and transfers the customer to an employee when needed.

The agent works 24/7, supports 8 languages, and helps ensure no calls are missed during peak hours or outside business hours.

To get started, simply choose a voice and model, connect your knowledge base, and set up routing in your personal account.

The service is already available to users of the Zadarma cloud PBX. Learn more here.