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Telecommunications Industry Association , 06/01/2009
Publisher: TIA
File Format: PDF
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Introduction
The document provides examples of signaling flows for the IP multimedia call control based on SIP and SDP. The signaling flows specified in this document are only for informational purposes. If there is ambiguity between this specification and [1], the text specified in [1] shall be followed.
The call flows describe the behavior of the mobile stations under various conditions for setting up real time services like VoIP and PSVT.
In this document, several key words are used to signify the requirements. The key words "shall", "shall not", "should", "should not" and "may" are to be interpreted as described in [6] and the TIA Engineering Style Manual.
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