(ÁÖ)·°½Ã½ºÀÇ TDM VOIP ÀüÈ­ ½Ã½ºÅÛÀ¸·Î »õ·Î¿î PBX ¹®È­¸¦ °æÇèÇØ º¸½Ê½Ã¿ä.

 


                                                                                              E-mail ¤Ó Home