| 摘要 |
PROBLEM TO BE SOLVED: To provide an IP phone system for automatically selecting an IP phone service of an inexpensive charge for a call by allowing a user to have only to designate a speech opposite party without the need for the user to make any special operation. SOLUTION: When the user designates an address of the speech opposite party at dialing by the user, the user transmits its speech opposite party address and its own address to a server, the user receives information to access an IP phone service enterprise of an inexpensive charge for a call from the server, and the user accesses and makes a call to a gatekeeper of the IP phone service enterprise. COPYRIGHT: (C)2004,JPO
|
