Developing SIP applications that support PRACK

A SIP response to an INVITE request can be final or provisional. Final responses are always sent reliably, but provisional responses typically are not. For cases where you need to send a provisional response reliably, you can use the PRACK (Provisional response acknowledgement) method.

Before you begin

For you to be able to develop applications that support PRACK, the following criteria must be met:

About this task

PRACK is described in the following standards:

Procedure




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Last updatedLast updated: Aug 31, 2013 4:28:44 AM CDT
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