Method and arrangement for establishing call connections in a telecommunications network using a virtual transport server
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United States of America Patent
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Feb 2, 1999
Grant Date -
N/A
app pub date -
Feb 23, 1996
filing date -
Feb 23, 1996
priority date (Note) -
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Abstract
A telecommunications network comprises a virtual transport server (VTS) for making network routing decisions and establishing call connections. Each VTS is interconnected to each signal transfer point in a common channel signaling (CCS) system associated with the network. Each VTS is also interconnected to at least one switch in a transmission network, such as an asynchronous transfer mode (ATM) switch. The VTS maintains routing tables identifying trunk groups associated with each central office switch in the network. During operation, an initial address message received from a signal transfer point in the VTS is processed and subsequently extended to an ATM switch so that a call connection can be established. Upon completion of the established call, the VTS releases resources associated with the ATM switch.
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