1. The plaintiffs' primary claims and the first and second preliminary claims are all dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Basic facts

A. From October 2, 2008 to July 2, 2009, Defendant D Co., Ltd conducted a public offering with the following contents in order to receive voluntary retirement and Defendant D Co., Ltd.’s contribution to the business of call center No. 100, which entrusted the business of call center No. 100 (hereinafter referred to as “col corporation”).

According to the selection conditions, the annual salary level to be received in a call corporation is based on the annual salary of Defendant KT in 2007, 70% in cases where the remaining retirement age is at least four years, 65% in cases where the remaining retirement age is less than four years, and 3 years in cases where the remaining retirement age is less than four years (Provided, That two years in cases where a child was born in 1953), and the amount of wages after the employment security period is paid in accordance with the remuneration regulations of the relevant call corporation, and the position and duties at call corporations are decided by the president of the call corporation.

B. The Plaintiffs, who were employees of Defendant KT, were voluntarily retired from Defendant KT by providing support for public offering, and were employed in call corporations.

The plaintiffs prepared and submitted a written statement in the course of entering a call corporation. The main content is that the call corporation guarantees the employment period of two to three years according to the conditions of public offering, and the employment conditions after the expiration of the employment guarantee period shall be separately determined by the call corporation.

C. The Plaintiffs refer to a call corporation as CSustomer, the weak, and a customer petition counseling service.

It refers to the processing of civil petitions received at the call center No. 100 by wire from the counselor as the weak of the Center or the VOC Vice.

The term "flass service" means the treatment of civil petitions filed by customers who belong to the Center and visit the telephone center counter.

or VOC work was performed.

On November 2, 2009, Defendant Electric Co., Ltd. and C&C were merged, and Defendant Electric Co., Ltd merged on November 2, 2009.