METHOD AND AN EXCHANGE DEVICE FOR OFFERING A CHANGE FORMER TELEPHONE NUMBER FOR INSERTING A CHANGE FORMER TELEPHONE NUMBER AND A CALLED NUMBER TO A CALL SETUP MESSAGE

摘要

PURPOSE: A method and an exchange unit for offering a change former telephone number for inserting a change former telephone number and a called number to a call setup message are provided to display the telephone number by inserting the telephone number to the filed of the message.;CONSTITUTION: A communication unit(210) receives an origination message. A call setup unit(220) generates a call set-up message transmitted with the exchange unit for coming under to the called number. A previous telephone number setup unit(230) respectively inserts the change former telephone number and the called number to the first field and the second field of the location request message.;COPYRIGHT KIPO 2010