IP Library Granted Patent US 11,089,452
Granted Patent B2
US 11,089,452 · App. 16/840,656 · Granted Aug 10, 2021

Communications network

Inventor: Richard Underwood (Enfield, GB)
Assignee: Metaswitch Networks Ltd.
H04W4/16H04M3/56
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Quick Facts
Patent No.
US 11,089,452
App. No.
16/840,656
Granted
Aug 10, 2021
Kind
B2
Abstract

A method of processing call establishment requests, the method comprising the steps of: a) receiving call establishment definition data relating to a called party identifier; b) receiving a call establishment request from a calling party, the call establishment request comprising the called party identifier; c) determining that a user terminal associated with the called party identifier is engaged in a call with a remote party; d) determining that call establishment definition data is associated with the called party identifier; and e) in response to steps b) c) and d), processing the call establishment request to connect the calling party to the called party.

Claims (11)

1. A method of processing call establishment requests, the method comprising the steps of:

a) receiving call establishment definition data relating to a called party identifier;

b) receiving a call establishment request from a calling party, the call establishment request comprising the called party identifier;

c) determining that a user terminal associated with the called party identifier is engaged in a call with a remote party, the user terminal being associated with a called party;

d) determining that call establishment definition data is associated with the called party identifier; and

e) in response to steps b) c) and d), processing the call establishment request to connect the calling party to the called party,

wherein in step e), the remote party is disconnected from the called party.

2. The method of claim 1 , wherein the call establishment definition data further comprises a plurality of calling party identifiers and/or a plurality of called party identifiers.

3. The method of claim 1 , wherein the call establishment definition data further comprises one or more terminal identifiers for terminals associated with a called party and/or a calling party.

4. A communications network comprising: one or more nodes, the one or more nodes being arranged to receive calls from a plurality of user terminals; a switching unit for making connections between a first network node and a second network node; and a call control unit, the communications network being configured to perform the method of claim 1 .

5. A data carrier device comprising computer executable code for performing the method of claim 1 .

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 13, 2026
From: MICROSOFT TECHNOLOGY LICENSING, LLC
To: ALIANZA, INC.
Reel/Frame 075645/0892 →
CHANGE OF NAME Recorded May 13, 2026
From: ALIANZA, INC.
To: ALIANZA, LLC
Reel/Frame 075646/0037 →
SECURITY INTEREST Recorded May 6, 2025
From: ALIANZA, INC.; METASWITCH NETWORKS LTD
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 071191/0228 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 6, 2020
From: UNDERWOOD, RICHARD
To: METASWITCH NETWORKS LTD.
Reel/Frame 052350/0842 →