Communications
First Claim
1. A system for establishing a connection between a first and a second communication device, the first communication device supporting separate voice and data channels and arranged for sending a pair of a first and second establishment requests, the first request being sent via the data channel and the second request being sent via a signalling channel associated with the voice channel, comprising:
- a proxy for receiving the first request; and
a gateway for receiving the second request, the gateway being arranged to forward the received request to the proxy, wherein the proxy is arranged to forward the earliest received request of the pair of requests to a selected one of a plurality of call control servers.
2 Assignments
0 Petitions
Accused Products
Abstract
According to an embodiment of the present invention, there is provided a system for establishing a connection between a first and a second communication device. The first communication device supports separate voice and data channels and is arranged for sending a pair of a first and second establishment requests, the first request being sent via the data channel and the second request being sent via the voice channel. The system comprises a proxy for receiving the first request via the data channel, and a gateway for receiving the second request via the voice channel. The gateway is arranged to forward the received request to the proxy and the proxy is arranged to forward the earliest received request of the pair of requests to one of a plurality of call control servers for processing.
135 Citations
26 Claims
-
1. A system for establishing a connection between a first and a second communication device, the first communication device supporting separate voice and data channels and arranged for sending a pair of a first and second establishment requests, the first request being sent via the data channel and the second request being sent via a signalling channel associated with the voice channel, comprising:
-
a proxy for receiving the first request; and
a gateway for receiving the second request, the gateway being arranged to forward the received request to the proxy, wherein the proxy is arranged to forward the earliest received request of the pair of requests to a selected one of a plurality of call control servers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A method of establishing a connection between a first and a second communication device, the first communication device supporting separate voice and data channels, comprising:
-
sending, from the first communication device, a first connection establishment request via the data channel and a second connection establishment request via a signalling channel associated with the voice channel;
receiving the first request at a proxy;
receiving the second request at a gateway;
forwarding the second request from the gateway to the proxy; and
forwarding the earliest request of the pair of requests received at the proxy to a selected one of a plurality of call control servers. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
-
Specification