Patent ID: 6650632
Filing Date: 2003-11-18
Classification: H04L,H04M,H04Q

Abstract:
A custom call feature transmission apparatus for use with a first private network that is connected to a second private network by a communication network employing a protocol incapable of supporting at least one custom calling feature supported by the first private network and the second private network, the apparatus comprising:a first communications interface coupled between the first private network and the communication network so as to communicate information therebetween; a second communications interface coupled between the first private network and an auxiliary network so as to communicate messages in the protocol that use the at least one custom calling feature that is a special service function of a telephone service that is additional to basic transmission of sound; a processor coupled to the first communications interface and the second communications interface; and a memory coupled to the processor, the memory comprising one or more instructions which, when executed by the processor, cause the processor to perform the steps of: intercepting a message directed from the first private network to the second private network; determining whether the message uses the at least one custom calling feature; establishing a first connection through the communication network to the second private network; in response to determining that the message uses the at least one custom calling feature, transmitting a request for the at least one custom calling feature to the second private network; and accepting an establishment of a second connection through the auxiliary network from said second private network in response to the message from the first private network.