Threll.ai
Market and competition

Voice AI is moving into the network. That moves the question too.

Telefónica has built generative AI into the telephony service itself – transcription, summarisation and virtual agents over ordinary fixed-line and mobile voice. The selling point is that the customer never has to change platform. That is also where the ceiling sits.

BySveinung Totland2 min read
A woman in a wool coat sits alone and small in a bright clinic waiting area in early-morning sun, mobile phone to her ear, while the reception counter behind her stands unattended with a desk phone on it

Telefónica said on 10 August that it has built artificial intelligence into every one of its business voice services, from the simplest mobile line to the most up-to-date switchboard. The features are call transcription and summarisation, plus a virtual agent built on language models, delivered over ordinary fixed-line and mobile telephony.

The company is explicit about the selling point: the service runs directly over standard telephone networks, without the customer having to move to another platform. Javier Pascual, Director of Product at Telefónica España, says they are the only operator offering intelligent transcription and summarisation on both fixed and mobile voice. The company reports a 60 per cent reduction in call response times and more than 10 per cent more interactions handled.

What is new is not the vendor. It is the location.

Voice AI has so far been something you buy as a project: a configuration, an integration, a decision somebody has to own. Now it arrives as a feature on a bill the business already pays, available by ticking a box in a contract. The same thing has started happening inside the collaboration platform, where Microsoft is now certifying voice agents for Teams Phone – and where the limit of what it will support is set out in the same document.

That is a real lowering of the threshold, and it lands precisely on the businesses that never got started. A clinic with three employees does not make a platform decision. It might well say yes to a tick-box.

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What makes the offer easy to accept also sets its ceiling

A feature in the network has to behave the same way for every customer on the network. That is the whole reason for delivering it there. Telefónica reports support for more than 100 languages – an impressive number, and an accurate description of what kind of service this is: breadth before depth.

The promise of every language, always, is worth testing on real traffic before you believe it, and it is in Norwegian, Swedish and Danish that the generic breaks first. An account number read aloud using two different counting systems in the same sentence is not a language-support question. It is a question of which field the agent is filling, and whether the check digit is allowed to reject the guess.

So the question is no longer whether the business should have voice AI. It is which calls belong in a network feature, and which need something that knows the business. Transcribing calls a human has already taken: the network handles that fine. A call that has to confirm an appointment, fetch an order status and write something back into the system of record: less fine. And because the feature arrives on the telecoms bill, it has been bought in a different unit from the one the rest of the market sells in – worth knowing for anyone comparing offers.

Threll.ai builds voice agents in Norwegian, Swedish and Danish. Operators covering the generic ground is not an argument for doing the same thing slightly cheaper. It is an argument that whatever is still sold separately has to be the thing the network cannot know: who called, what they have bought before, and what has to happen after the call ends.

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