This is the 14079th most frequent Spanish word.
telefónico
Related to telephones or telephone communication.
Here, 'telefónico' refers to things related to telephones, specifically 'a technical phone-related problem'.
He llamado al servicio de atención al cliente para resolver un problema técnico telefónico.
I called the customer service to resolve a technical phone-related problem.
In this sentence, 'telefónico' describes 'operator,' indicating that the person is related to telephone services.
El operador telefónico no respondió de manera efectiva a mi solicitud.
The phone operator did not respond effectively to my request.
Finally, 'telefónica' is used as an adjective here to modify 'communication,' highlighting its relation to telephones.