Thursday, November 26, 2009

Explanation of Transit Call

The Transit MSC simplifies the task of configuring a large network containing many interconnected switching elements, such as mobile switching centers and home location registers. By routing all inter-element signalling through the Transit MSC, operators are able to rationalize signalling routing and reduce time and money spent configuring new elements into the network.

But the Transit MSC goes beyond what conventional transit switches can do. Due to built-in mobile application part functionality, the Transit MSC is able to route incoming calls from a fixed network directly to the right MSC in the GSM network. Normally, such a call is routed from the fixed network to an MSC at random, even if the call is intended for a part of the network handled by a different MSC. This results in extra processing load on this "gateway" MSC, since it must forward the call to the correct one. The Transit MSC acts as a one-point gateway for the entire network, reducing the routing load on all the other MSCs and saving the operator the additional transmission costs. Moreover, the Transit MSC features full support for the state-of-the-art Intelligent Networks.

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