Patent ID: 8345840

Claim:
A method for detecting a client-link failure, comprising: providing a dual link architecture comprising: a primary telephony server in communication with at least one phone client through a primary client-link formed using a network transport session protocol; a secondary telephony server in communication with the at least one phone client through a secondary client-link formed using a network transport session protocol; and a server-link formed using a network transport session protocol between the primary and secondary telephony servers; detecting a primary client-link failure at the primary telephony server; sending a Link-Status-Notice (LSN) message from the primary telephony server to the secondary telephony server via the server link detailing at least one phone client associated with the client-link failure; and sending a type of redirect command from the secondary telephony server to the at least one phone client associated with the client-link failure via the secondary client-link, wherein the type of redirect command is based on a content of the LSN message.