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Class Information
Number: 379/229
Name: Telephonic communications > Plural exchange network or interconnection > Interexchange signalling
Description: Subject matter including transmission of control or supervisory signals between exchanges.

Sub-classes under this class:

Class Number Class Name Patents
379/231 Central office-to-pbx signalling 96
379/236 D.c. signalling over trunk 18
379/240 Interexchange trunk circuit 50
379/234 Pbx to central office signalling (e.g., direct outward dialing) 116
379/230 Signalling path distinct from trunk (e.g., ccis) 810
379/235 Voice frequency signalling over trunk 41

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8705517 Forced hold call handling in a VoP environment Apr. 22, 2014
8681962 Method for a telecommunication's network, central office, and network terminating unit Mar. 25, 2014
8670547 Direct route ISDN primary route interface Mar. 11, 2014
8670535 Associating a telephone call with a dialog based on a computer protocol such as SIP Mar. 11, 2014
8605713 Enhanced media gateway negotiation Dec. 10, 2013
8582732 Automatic digit map generation for access gateway during call setup Nov. 12, 2013
8565220 Signaling status information of an application service Oct. 22, 2013
8547931 Conserving call logic during handoff Oct. 1, 2013
8526595 Auto-dialer blocking on network Sep. 3, 2013
8505087 Signal transfer point front end processor Aug. 6, 2013
8504024 Method for implementing an intelligent service and communications system Aug. 6, 2013
8498401 Mobile-to-mobile call determination Jul. 30, 2013
8462637 Dial plan routing for fragmented networks Jun. 11, 2013
8437462 Synchronization of multiple target system data May. 7, 2013
8417182 Excessive-signal prevention apparatus and method therefor Apr. 9, 2013
8413228 Signal transfer point front end processor Apr. 2, 2013
8351592 Remote PBX system and advanced communication terminals Jan. 8, 2013
8306199 Accounting in a transit network Nov. 6, 2012
8295467 System for and method of re-using public domain identifications Oct. 23, 2012
8290138 Systems, methods, apparatus and computer program products for sharing resources between turret systems and PBXS using SIP Oct. 16, 2012
8249242 Secure call DTMF signaling Aug. 21, 2012
8239932 Signal transfer point front end processor Aug. 7, 2012
8233591 Forced hold call handling in a VoP environment Jul. 31, 2012
8230111 Method for transmitting signaling messages using alternate path Jul. 24, 2012
8204042 Methods, systems, and computer program products for establishing VoIP service in a network Jun. 19, 2012
8179885 Methods, systems, and computer program products for organizing, managing, and selectively distributing routing information in a signaling message routing node May. 15, 2012
8155294 Associating a telephone call with a dialog based on a computer protocol such as SIP Apr. 10, 2012
8139604 Processing session initiation protocol signaling in voice/data integrated switching system Mar. 20, 2012
8130920 System and method for providing network information service using CID-type messages Mar. 6, 2012
8121274 Method and apparatus for processing multiple services per call Feb. 21, 2012
8102989 Apparatus and method for switching from overlap signaling to en bloc signaling in a data network Jan. 24, 2012
8094799 Enabling and disabling terminating features of a terminating switch Jan. 10, 2012
8041022 Policy-based control of content intercept Oct. 18, 2011
8023479 Mobile application gateway for connecting devices on a cellular network with individual enterprise and data networks Sep. 20, 2011
8023629 Method for establishing a call Sep. 20, 2011
8023623 Call control element constructing a session initiation protocol (SIP) message including provisions for incorporating address related information of public switched telephone network (PSTN) bas Sep. 20, 2011
8014510 Arrangement for controlling congestion in an SS7 signaling node based on packet classification Sep. 6, 2011
8009666 System and method for providing a plurality of multi-media services using a number of media servers to form a preliminary interactive communication relationship with a calling communication de Aug. 30, 2011
RE42601 Method and system for implementing a service in a telecommunication network Aug. 9, 2011
7983245 Methods and systems for converting an internet protocol (IP)-based message containing subscriber content to a public switched telephone network (PSTN)-based message including subscriber conten Jul. 19, 2011
7920548 Intelligent switching for secure and reliable voice-over-IP PBX service Apr. 5, 2011
7916854 Methods and apparatus for controlling processing entities, such as distributed signalling gateways Mar. 29, 2011
7916685 Methods, systems, and computer program products for supporting database access in an internet protocol multimedia subsystem (IMS) network environment Mar. 29, 2011
7916857 Methods, systems, and computer readable media for selectively processing or redirecting signaling connection control part (SCCP) messages Mar. 29, 2011
7903795 System and method for indicating status of an incoming transmission to a user Mar. 8, 2011
7890749 System and method for providing security in a telecommunication network Feb. 15, 2011
7886303 Method for dynamically adjusting audio decoding process Feb. 8, 2011
7870244 Monitoring performance of applications in a distributed environment Jan. 11, 2011
7864943 Methods and systems for load sharing and preserving sequencing of signaling connection control part (SCCP) messages Jan. 4, 2011
7853004 Active switch replacement using a single point code Dec. 14, 2010

1 2 3 4 5 6 7 8 9 10 11 12 13

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