Method and system for providing call parking in a SIP-based network

DC Robbins - US Patent 8,363,812, 2013 - Google Patents
Embodiments of the present invention are directed to a method and system for identifying a
first dialog between an element and a server and a second dialog between the server and a …

Method and system for providing call waiting features in a SIP-based network

DC Robbins - US Patent 9,191,521, 2015 - Google Patents
A method that includes receiving a first call request from a second user to a first user,
establishing a first dialog between a network element and the first user, establishing a …

Setting up a conference call with a hashed address

AJ Baker, EP Rose - US Patent 7,813,305, 2010 - Google Patents
H04L 12/16(2006.01)(74) Attorney, Agent, or Firm DeMont & Breyer, LLC (52) US
Cl........................................ 370/261; 709/227 (58) Field of Classification Search …

Method and system for providing distinctive announcements in a SIP-based network

DC Robbins - US Patent 8,130,639, 2012 - Google Patents
A system and method may include receiving a connection request including announcement
information, the announcement information being associated with a distinctive …

Call Transfer Method, System and Device

S Long, H Jin - US Patent App. 12/765,682, 2010 - Google Patents
US20100202447A1 - Call Transfer Method, System and Device - Google Patents
US20100202447A1 - Call Transfer Method, System and Device - Google Patents Call …

Wireless communication system, mobile station, server, and wireless communication method

N Watanabe - US Patent 9,668,292, 2017 - Google Patents
A UE is a mobile station that communicates with a CSCF server. The UE includes a network
IF and a mobile network service control unit. By using an IMS signaling bearer established …

Method and system for providing party line emulation in a SIP-based network

DC Robbins - US Patent 8,462,772, 2013 - Google Patents
A method and system of an embodiment of the present invention may involve receiving an
incoming call from a calling party for one or more members of a group; transmitting an invite …

Method of managing telephone calls over a data network, telephony station, server and telephony system supporting said method

E Chevrier, JP Mercuriali - US Patent App. 10/950,728, 2006 - Google Patents
The invention proposes a bidirectional interchange of infor mation between a telephony
station and a PROXY to inter change signaling protocol messages 103, 105-108, 110. This …

Stateless gateways having remote dialog store

JK Kota, R Vemulapalli, MJ Lu - US Patent 8,301,782, 2012 - Google Patents
Gateway apparatus for facilitating communications using a stateful protocol (eg, SIP or
SIP/SIMPLE protocol). The gateway apparatus includes a plurality of gateway devices and a …

Method and system for providing busy override service in a SIP-based network

DC Robbins - US Patent 8,165,280, 2012 - Google Patents
(57) ABSTRACT A method and system of an embodiment of the present inven tion may
include sending an override signal to a first user wherein the first user is having a first dialog …