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Class Information
Number: 370/244
Name: Multiplex communications > Diagnostic testing (other than synchronization) > Fault detection > Of a switching system
Description: Subject matter wherein a multiplex switching system is tested for any nonstandard operating condition.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6557112 |
QOS protection system |
Apr. 29, 2003 |
| 6552997 |
Router network, with saving function, for subordinate LAN at router fault |
Apr. 22, 2003 |
| 6542738 |
Test system for remotely testing switches within a telecommunications network |
Apr. 1, 2003 |
| 6535489 |
Method and apparatus in a network switch for handling link failure and link recovery in a trunked data path |
Mar. 18, 2003 |
| 6532216 |
Central office based ADSL test platform |
Mar. 11, 2003 |
| 6529530 |
Multiplex communicating method |
Mar. 4, 2003 |
| 6519224 |
Method of using routing protocols to reroute packets during a link failure |
Feb. 11, 2003 |
| 6519230 |
Device for testing synchronous-transfer-mode switch |
Feb. 11, 2003 |
| 6515967 |
Method and apparatus for detecting a fault in a multicast routing infrastructure |
Feb. 4, 2003 |
| 6512774 |
Fail over with multiple network interface cards |
Jan. 28, 2003 |
| 6507564 |
Method and apparatus for testing aging function in a network switch |
Jan. 14, 2003 |
| 6490245 |
Method and apparatus for recovering from a signalling failure in a switched connection data transmission network |
Dec. 3, 2002 |
| 6483810 |
ATM switching apparatus applicable to short cell |
Nov. 19, 2002 |
| 6442131 |
Selective VP protection method in ATM network |
Aug. 27, 2002 |
| 6438372 |
System for the observation of traffic |
Aug. 20, 2002 |
| 6418116 |
Transmission system having an uninterrupted switchover function for a plurality of lines |
Jul. 9, 2002 |
| 6418117 |
Out of band messaging in a DRA network |
Jul. 9, 2002 |
| 6411598 |
Signal conversion for fault isolation |
Jun. 25, 2002 |
| 6411600 |
Asynchronous transfer mode (ATM) protection triggering method using "receive-AIS (alarm indication signal)" flag |
Jun. 25, 2002 |
| 6411604 |
System and method for correlating transaction messages in a communications network |
Jun. 25, 2002 |
| 6411679 |
Apparatus and method for call progress timing measurement in IP telephony |
Jun. 25, 2002 |
| 6407984 |
Line failure notifying apparatus for terminal apparatus |
Jun. 18, 2002 |
| 6404741 |
Monitoring of a packet telephony device via a control device |
Jun. 11, 2002 |
| 6400721 |
Automated network-wide distribution of information in a dynamic network environment |
Jun. 4, 2002 |
| 6400813 |
Mediation system for a telephone network |
Jun. 4, 2002 |
| 6400689 |
Network service management apparatus |
Jun. 4, 2002 |
| 6388988 |
Method and system for automatic line protection switching of embedded channels |
May. 14, 2002 |
| 6373819 |
Routine testing parity maintenance |
Apr. 16, 2002 |
| 6366955 |
Method for configuring cross-connections of a radio system and a radio system |
Apr. 2, 2002 |
| 6363051 |
Method and apparatus for achieving fast reconnection of permanent virtal channels in a frame relay network |
Mar. 26, 2002 |
| 6363052 |
Congestion control in network systems |
Mar. 26, 2002 |
| 6359860 |
Connection switching method and apparatus |
Mar. 19, 2002 |
| 6353595 |
Method and configuration for the network-wide analysis of connections in telecommunications networks |
Mar. 5, 2002 |
| 6347073 |
Method and system for controlling data transfer between a logical switch set and outside nodes |
Feb. 12, 2002 |
| 6347334 |
Self-description extended link service for networks |
Feb. 12, 2002 |
| 6343064 |
Method and system for remote management of equipment having duplicate network addresses |
Jan. 29, 2002 |
| 6337848 |
Path switching device for transmission apparatus |
Jan. 8, 2002 |
| 6311303 |
Monitor port with selectable trace support |
Oct. 30, 2001 |
| 6301223 |
Method of using routing protocols to reroute packets during a link failure |
Oct. 9, 2001 |
| 6301228 |
Method and apparatus for switching signals using an embedded group signal status |
Oct. 9, 2001 |
| 6298043 |
Communication system architecture and a connection verification mechanism therefor |
Oct. 2, 2001 |
| 6292463 |
Method and apparatus for recovering from a signalling failure in a switched connection data transmission network |
Sep. 18, 2001 |
| 6285659 |
Automatic protocol selection mechanism |
Sep. 4, 2001 |
| 6269080 |
Method of multicast file distribution and synchronization |
Jul. 31, 2001 |
| 6269150 |
Reliable, unattended, automated testing system and method for complex telecommunication systems |
Jul. 31, 2001 |
| 6266326 |
Apparatus for loop testing in a communication system |
Jul. 24, 2001 |
| 6262975 |
Method of auditing cross-connections related to concatenated signals in a synchronous optical network |
Jul. 17, 2001 |
| 6256292 |
Self-healing line switched ring for ATM traffic |
Jul. 3, 2001 |
| 6246667 |
Backwards-compatible failure restoration in bidirectional multiplex section-switched ring transmission systems |
Jun. 12, 2001 |
| 6246670 |
Method and apparatus for preventing misrouting of data in a radio communication system |
Jun. 12, 2001 |
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