Mitel Networks Corporation

Christopher James Nason

Robert Star

Andre Moskal

Paul Provencal

Craig Frisch

A method of accelerating link loss detection includes providing a plurality of IP devices in communication with a central server. The method includes: a first one of the plurality of IP devices broadcasting a link loss message to others of the plurality of IP devices when communication between the first one of the plurality of IP devices and the central server is interrupted, one of the others of the plurality of IP devices performing a verification process to confirm interruption of communication between the central server and the plurality of IP devices and upon successful completion of the verification process, the one of the others of the plurality of IP devices broadcasting a link loss confirmation message and each of the IP devices terminating communication with the central server and reconnecting to a new central server following receipt of the link loss confirmation message.

Method of accelerating control link loss detection

In a client/server network, each of a plurality of IP devices has access to a network capability, such as an analog line, when connected to a central server. At least one of the IP devices is in direct communication with a second analog line and grants other IP devices access to the second analog line when the other IP devices lose their connection to the central server.

Method for sharing resources over a network

A client/server network includes a plurality of IP devices in communication with a central server and one another. Each of the plurality of IP devices maintains a count of the number of the IP devices attempting to connect to the central server at one time in order to monitor the load on the central server. Wherein each of the plurality of IP devices verifies that the count does not exceed a maximum count prior to attempting connection to the central server.

Method for distributing connection attempts to a server

A client/server network includes a plurality of IP devices in communication with a central server. The plurality of IP devices communicate with one another to queue themselves onto a linked list. The plurality of IP devices then connect to the central server in the order determined by the linked list. Prior to attempting to connect to the central server, each of the plurality of IP devices verifies that a number of IP devices currently attempting to connect to the central server is not equal to a maximum number.

Client/server queuing method to coordinate connection attempts to a server

A method of controlling telephone connections for internet protocol communications provides a structure for encapsulating a message to be exchanged between an IP phone and an entity within an Ethernet-based PBX, comprising utilizing a Protocol Header and an IP Message body, wherein the Protocol Header includes an indication of Protocol Type for denoting whether the message is an IP message or an encapsulated non-IP message, Device Number for denoting, by means of a MAC (Media Access Control), an address for the entity within the PBX to which the message is to be transmitted or from which the message is to be received, and Message Type for identifying the type of message contained in the IP Message Body.

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Kanata, Canada

Christopher James Nason