According to development of the telecommunications industry, consumer or user welfare and convenience in that sector has been rapidly increased. At the same time, however, various types of complaints and appeals on the services provided by common carriers have been comprehensively raised. It is true that lots of procedural improvements such as class action and consumer group dispute meditation have been introduced through the Consumer Basic Act amended in 2007. But in the telecommunications sector, several consumer protection issues still remains. Because the characteristics of consumer disputes in this sector are different from other areas particularly in that the number of victims by business torts are large but the amount of each damages are very small. In this context, this paper firstly analyzed current status and characteristics of consumer protection in the telecommunications sector, and reviewed the roles and limitations of the current telecommunications legislations especially with the procedural law perspective. In conclusion, it briefly suggested some ideas to enhance the institutional environments surrounding the telecommunications area.