Optimized path establishment method and network management...

Optimized SIP routing architecture using an integrated...

Optimizing restoration capacity

Order wire communication control method for line-switched ring n

Order-wire signal handling apparatus

OSI tunnel routing method and the apparatus

Out of band messaging in a DRA network

Packet distributing device

Packet forwarding apparatus with redundant routing module

Packet forwarding apparatus with redundant routing module

Packet handler

Packet handler

Packet handler

Packet network system

Packet processing method using multiple fault tolerant...

Packet protection technique

Packet redirection and message stream management

Packet repeater

Packet ring network system, packet transfer system,...

Packet routing apparatus and a method of communicating a packet