Transport-network technicians were spending significant time searching lengthy, complex, multilingual manufacturers' manuals and internal documents to resolve incidents, check component characteristics, and find action sequences.
Reported impact
The chatbot reduced manual consultation effort for technicians, delivered faster and more consistent answers, supported multiple users simultaneously, and was positioned to improve productivity, learning speed, and operational quality as it expands across Telefónica's operations.
Telefónica España built an in-house technical documentation ChatBot as a GenAI proof of concept for its Optical Network Technology and Configuration team. The serving layer is the technical documentation ChatBot, which gives technicians a natural-language interface in Spanish and returns answers in Spanish. Upstream, the system ingests manufacturers' manuals plus internal configuration documents that had been previously provided to the solution. The orchestration layer is RAG (Retrieval-Augmented Generation), which retrieves the most relevant passages from those documents before generation so answers stay grounded in source material. A language model (LLM) then generates coherent responses and includes references to the manuals where the information was found. Telefónica says the content is being centralized into a single environment and is intended to integrate with the main operation systems, allowing multiple operational teams to query technical knowledge consistently and at scale.
Manufacturers' manuals and internal configuration documents are provided to the technical documentation ChatBot, where RAG retrieves the most relevant passages for a query and passes that context to the language model (LLM). The LLM generates a Spanish response with references to the supporting manuals, which is then served back to technicians through the chatbot interface.
"Automation of consultation tasks: freeing up time for technicians to focus on more complex activities."
"Currently, when a technician needs to consult a specific topic, resolve a specific issue, look up component characteristics or know the sequence of actions to solve an incident, he usually spends a considerable amount of time searching through manufacturers' manuals."
"Scalability: Can serve multiple users simultaneously from different areas."
"Telefónica España, through its Optical Network Technology and Configuration area, decided to launch a proof of concept (PoC) of a technical documentation ChatBot."
"The ChatBot uses GenAI to consult the technical manuals and internal configuration documents that have been previously provided and generates the answer that the technician needs."
"The solution is based on the RAG (Retrieval-Augmented Generation) methodology... combines the retrieval of relevant information with the ability to generate answers by a language model (LLM)."
"This response is in the technician's own language and has references to the manuals where the relevant information has been found."
Review how this reference was scored and trace each normalized claim back to its documented source.
Scoring methodology
Customer Reference Value measures usefulness as a customer reference. Evidence Confidence measures the quality and traceability of available evidence, not independent verification.
Traceability
Field coverage shows which facts each source supports. Dates are shown only when documented by the source.
Related
In-house Sample Jul 30, 2026 Telefónica Traditional inspection, monitoring and protection of critical infrastructure required sending staff into the field, consuming significant time and money, slowing incident detection and increasing operational risk for… 70% or 80% of the total cost of a mission 5G network · Drone-in-a-Box technology · artificial intelligence In-house Sample Jul 23, 2026 Telefónica Telefónica needs to evolve and maintain a very large API and microservices estate without slowing delivery, while keeping integrations understandable, compliant, secure and maintainable; it also wants to reduce manual… AI agent · generative AI In-house Sample Jun 25, 2026 Telefónica Telefónica's compliance function must manage an expanding set of digital risks and increasingly complex international regulations without becoming inefficient, while also improving fraud detection and preserving rights… 