ELIMINATING UNREACHABLE SUBSCRIBERS IN VOICE-OVER-IP NETWORKS

A method detects an unreachable endpoint in a voice over IP network operating according to standard protocol. The endpoints include a first endpoint as a call originator and a second endpoint as a VoIP destination. The endpoints are connectable via a soft-switch. After each call, a check is performe...

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Bibliographische Detailangaben
Hauptverfasser:	SMITH, NIGEL, FIEREMANS, GEERT, STOCKDALE, ROBERT, S
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A method detects an unreachable endpoint in a voice over IP network operating according to standard protocol. The endpoints include a first endpoint as a call originator and a second endpoint as a VoIP destination. The endpoints are connectable via a soft-switch. After each call, a check is performed to determine whether the second endpoint responded to the call. If the second endpoint did not respond to the call, a non-call related message found in the standard protocol is sent from the soft-switch to the second endpoint. If the second endpoint does not respond to the non-call related message, the second endpoint is deactivated so that further calls are not routed to the second endpoint.