In this study entitled Telephony Service Quality and its relationship with the Customer Loyalty of the Bitel Peru company in the city of Iquitos, 2019, it was aimed at determining the relationship between the quality of telephony service and customer loyalty, as it was a descriptive and correlational investigation, where initially a description of the behavior of each of the variables was made, subsequently the relationship between the variables was established, for this a population consisting of 331 people was taken, to whom the Survey, obtaining as conclusions that the quality of service has reached a regular rating, because it has modern furniture and equipment, managers give immediate solution to the problems that arise. However, there are some shortcomings that do not allow it to achieve its purpose, and that is that the clients consider that the attention is not yet rapid, they ha...