| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method and an apparatus for automatically transferring a call terminating at one telephone set to more than one optional destination, as well as a method and an apparatus for answering a call terminating at one telephone set or manually transferring it to more than one optional destination (Japanese Patent Application No. 1997-259449 Outside line hold automatic release device and outside line transfer method). <P>SOLUTION: A three-party calling service provided by NTT or other telephone network is activated by dialing any number out of plural numbers to call up any destination and transfer a call thereto. <P>COPYRIGHT: (C)2012,JPO&INPIT |
