Telephone service:
The quality of services is difficult to measure because it is not based on the physical attributes (Apte, Maglaras, and Pinedo, 2008; Schroeder, Goldstein, and Rungtusanatham, 2012). The performance of a service can only be measured by the response of customer about the service. In the evaluation of telephone service quality the customers are the main evaluator of the service because it is a real time action. The quality of telephone service can be measured by the evaluation of the following factors: - Clarity of voice while telephone call. - Distortion in call. - The time taken to ...