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14 lines
807 B
Text
14 lines
807 B
Text
Sippy B2BUA is a RFC3261-compliant Session Initiation Protocol (SIP)
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Back-to-back user agent (B2BUA) server software.
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The B2BUA is a SIP call controlling component. Unlike a SIP proxy server,
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which only maintains transaction state, the B2BUA maintains complete call
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state and participates in all call requests. For this reason it can perform
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number of functions that are not possible to implement using SIP proxy, such
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as for example accurate call accounting, pre-paid rating and billing, fail
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over call routing etc. Unlike PBX-type solutions such as Asterisk for example,
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the B2BUA doesn't perform any media relaying or processing, therefore it
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doesn't introduce any additional packet loss, delay or jitter into the
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media path.
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The Sippy B2BUA is distributed under version 2 of GNU Public License (GPL).
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