Patent EP0817451A2 successfully refreshed from Google Patents.
EP0817451A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Network-based on-demand multiparty multimedia call set up and directory service
Assignee: AT&T Inc
•
Filing: 1997-06-25
•
Granted: —
•
Expires: 2017-06-25
Abstract
Abstract A communications system is provided in which a calling party can retrieve directory information for placing multimedia calls from a World Wide Web server. The calling party selects the parties to be called by highlighting selected parties on displayed Web pages of directory information. The calling party can initiate a point-to-point multimedia call or a multiple party multimedia conference using the highlighted directory information.
Inventors
- 👤 Richard Frank Bruno
- 👤 Robert Edward Markowitz
- 👤 Steven Howard Nurenberg
- 👤 Joseph Thomas O'neil
- 👤 Kenneth H. Rosen
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 12:58
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/42; H04M3/487; H04M3/493; H04M3/4931; H04L; H04L61/00; H04L61/45; H04L61/4557; H04L65/00; H04L65/1066; H04L65/1069; H04L65/40; H04L65/401; H04L65/403; H04L65/4046; H04M3/56; H04M3/567; H04M7/00; H04M7/0024; H04M7/003; H04M7/0036; H04M7/12; H04M7/1205; H04M7/128; H04M2201/00; H04M2201/42; H04M3/4935
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
72 words
A method for setting up multimedia calls over a transport network,
comprising the steps of: supplying directory information with a server to a data network distinct
from the transport network for a calling party to receive and display on a
workstation; and establishing a multimedia call over the transport network between the
calling party and at least one party selected by the calling party from the
directory information displayed on the workstation.
Claim 2
Dependent Claim
33 words
The method defined in claim 1 further comprising the step of
receiving a request from the calling party with the server to establish the
multimedia call with the at least one selected party.
Claim 3
Dependent Claim
74 words
The method defined in claim 2 wherein: the step of receiving the request comprises the step of receiving a request
from the calling party to establish a multimedia call with a plurality of parties
selected by the calling party from the displayed directory information; and the step of establishing the multimedia call comprises the step of
establishing a multimedia call over the transport network between the calling
party and the plurality of selected parties.
Claim 4
Dependent Claim
40 words
The method defined in claim 1 wherein the data network contains the
Internet and the server is a Web server, the step of supplying the directory
information comprising the step of supplying at least one Web page to the
Internet.
Claim 5
Dependent Claim
34 words
The method defined in claim 1 wherein the transport network contains
a public switched telephone network having Integrated Services Digital Network
lines for interconnecting the calling party and the at least one selected party.
Claim 6
Dependent Claim
32 words
The method defined in claim 1 her comprising the step of
establishing the multimedia call by connecting the calling party and the at least
one selected party using a multimedia bridge system.
Claim 7
Independent Claim
70 words
A system for setting up multimedia calls over a transport network,
comprising: means for supplying directory information to a data network distinct from
the transport network for a calling party to receive and display on a workstation;
and means for establishing a multimedia call over the transport network
between the calling party and at least one party selected by the calling party from
the directory information displayed on the workstation.
Claim 8
Dependent Claim
29 words
The system defined in claim 7 further comprising means for receiving
a request from the calling party to establish the multimedia call with the at least
one selected party.
Claim 9
Dependent Claim
72 words
The system defined in claim 8 wherein: the means for receiving the request comprises means for receiving a
request from the calling party to establish a multimedia call with a plurality of
parties selected by the calling party from the displayed directory information;
and the means for establishing the multimedia call comprises means for
establishing a multimedia call over the transport network between the calling
party and the plurality of selected parties.
Claim 10
Dependent Claim
32 words
The system defined in claim 7 wherein the data network contains the
Internet, the means for supplying the directory information comprising means for
supplying at least one Web page to the Internet.
Claim 11
Dependent Claim
34 words
The system defined in claim 7 wherein the transport network
contains a public switched telephone network having Integrated Services Digital
Network lines for interconnecting the calling party and the at least one selected
party.
Claim 12
Dependent Claim
24 words
The system defined in claim 7 further comprising multimedia bridge
system means for connecting the calling party and the at least one selected party.
Claim 13
Independent Claim
74 words
A system for setting up multimedia calls over a transport network,
comprising: a server for supplying directory information to a data network distinct
from the transport network for a calling party to receive and display on a
workstation; and a multimedia bridge system for establishing a multimedia call over the
transport network between the calling party and at least one party selected by the
calling party from the directory information displayed on the workstation.
Claim 14
Dependent Claim
28 words
The system defined in claim 13 wherein the server receives a request
from the calling party to establish a multimedia call with the at least one selected
party.
Claim 15
Dependent Claim
63 words
The system defined in claim 14 wherein: the request received by the server is a request from the calling party to
establish a multimedia call with a plurality of parties selected by the calling party
from the displayed directory information; and the multimedia bridge system establishes a multimedia call over the
transport network between the calling party and the plurality of selected parties.
Claim 16
Dependent Claim
38 words
The system defined in claim 13 wherein: the data network contains the Internet; the server is a Web server; and the directory information is supplied by the Web server to the Internet as
at least one Web page.
Claim 17
Dependent Claim
34 words
The system defined in claim 13 wherein the transport network
contains a public switched telephone network having Integrated Services Digital
Network lines for interconnecting the calling party and the at least one selected
party.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.