发明名称 |
Toll-free telephonic communication method and device |
摘要 |
The present invention is a method and device for toll-free telephonic communications. According to a method of the present invention, a caller dials a toll-free number to establish a connection with a telecommunications platform. The caller then enters an authorization code that the telecommunications platform validates. If the authorization code is valid, the telecommunications platform can connect the caller to a called party or record a message by the caller for later retrieval by the called party.
|
申请公布号 |
US6463137(B1) |
申请公布日期 |
2002.10.08 |
申请号 |
US19990316042 |
申请日期 |
1999.05.21 |
申请人 |
GEO-GROUP COMMUNICATIONS, INC. |
发明人 |
VANJANI GOVIND W.;WILKIE DAVID |
分类号 |
H04M15/08;(IPC1-7):H04M15/00 |
主分类号 |
H04M15/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|